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Ecology, management and conservation in natural and modified habitats
RESEARCH ARTICLE (Open Access)

Heads in the sand: public health and ecological risks of lead-based bullets for wildlife shooting in Australia

Jordan O. Hampton A B G , Mark Laidlaw C , Eric Buenz D and Jon M. Arnemo E F
+ Author Affiliations
- Author Affiliations

A Ecotone Wildlife Veterinary Services, PO Box 76, Inverloch, Vic. 3996, Australia.

B Murdoch University, 90 South Street, Murdoch, WA. 6150, Australia.

C RMIT University, 124 La Trobe Street, Melbourne, Vic. 3000, Australia.

D Nelson Marlborough Institute of Technology, 322 Hardy Street, Nelson, 7010, New Zealand.

E Inland Norway University of Applied Sciences, Campus Evenstad, NO-2480, Koppang, Norway.

F Swedish University of Agricultural Sciences, SE-90183, Umeå, Sweden.

G Corresponding author. Email: j.hampton@ecotonewildlife.com

Wildlife Research 45(4) 287-306 https://doi.org/10.1071/WR17180
Submitted: 9 December 2017  Accepted: 30 March 2018   Published: 11 July 2018

Journal compilation © CSIRO 2018 Open Access CC BY-NC-ND

Abstract

Lead (Pb) is a toxic element banned from fuel, paint and many other products in most developed countries. Nonetheless, it is still widely used in ammunition, including rifle bullets, and Pb-based bullets are almost universally used in Australia. For decades, poisoning from Pb shot (shotguns) has been recognised as a cause of disease in waterfowl and Pb shot has been subsequently banned for waterfowl hunting in many jurisdictions. However, the risks posed by Pb-based bullets (rifles) have not been similarly recognised in Australia. Pb-based rifle bullets frequently fragment, contaminating the tissue of shot animals. Consuming this Pb-contaminated tissue risks harmful Pb exposure and, thus, the health of wildlife scavengers (carrion eaters) and humans and their companion animals who consume harvested meat (game eaters). In Europe, North America and elsewhere, the environmental and human health risks of Pb-based bullets are widely recognised, and non-toxic alternatives (e.g. copper-based bullets) are increasingly being used. However, Australia has no comparable research despite widespread use of shooting, common scavenging by potentially susceptible wildlife species, and people regularly consuming shot meat. We conclude that Australia has its collective ‘head in the sand’ on this pressing worldwide One Health issue. We present the need for urgent research into this field in Australia.

Additional keywords: ecosystem health, human dimensions, pest control, pest management, population control, toxicology.


References

Arnemo, J. M., Andersen, O., Stokke, S., Thomas, V. G., Krone, O., Pain, D. J., and Mateo, R. (2016). Health and environmental risks from lead-based ammunition: science versus socio-politics. EcoHealth 13, 618–622.
Health and environmental risks from lead-based ammunition: science versus socio-politics.Crossref | GoogleScholarGoogle Scholar |

ATSDR (2017). ‘Lead Toxicity: What are Possible Health Effects from Lead Exposure?’ (Agency for Toxic Substances and Disease Registry: Atlanta, GA.) Available at https://www.atsdr.cdc.gov/csem/csem.asp?csem=34&po=10 [Verified 12 November 2017].

Aumann, T., Baker-Gabb, D. J., and Debus, S. J. S. (2016). Breeding diets of four raptor species in the Australian tropics. Corella 40, 13–16.

Australian Government (2017). ‘Kangaroo and Wallaby Population, Quota and Harvest Statistics.’ (Australian Government: Canberra, ACT.) Available at http://www.environment.gov.au/system/files/pages/d3f58a89-4fdf-43ca-8763-bbfd6048c303/files/kangaroo-statistics-new.pdf [Verifed 5 December 2017].

Avery, D., and Watson, R. T. (2009). Regulation of lead-based ammunition around the world. In ‘Ingestion of Lead from Spent Ammunition: Implications for Wildlife and Humans’. (Eds R. T. Watson, M. Fuller, M. Pokras, and W. G. Hunt.) pp. 161–168. (The Peregrine Fund: Boise, ID.)

Baker-Gabb, D. J. (1984). The breeding ecology of twelve species of diurnal raptor in north-western Victoria. Wildlife Research 11, 145–160.
The breeding ecology of twelve species of diurnal raptor in north-western Victoria.Crossref | GoogleScholarGoogle Scholar |

Bakker, V. J., Smith, D. R., Copeland, H., Brandt, J., Wolstenholme, R., Burnett, J., Kirkland, S., and Finkelstein, M. E. (2017). Effects of lead exposure, flock behavior, and management actions on the survival of California condors (Gymnogyps californianus). EcoHealth 14, 92–105.
Effects of lead exposure, flock behavior, and management actions on the survival of California condors (Gymnogyps californianus).Crossref | GoogleScholarGoogle Scholar |

Bayne, P., Harden, B., Pines, K., and Taylor, U. (2000). Controlling feral goats by shooting from a helicopter with and without the assistance of ground-based spotters. Wildlife Research 27, 517–523.
Controlling feral goats by shooting from a helicopter with and without the assistance of ground-based spotters.Crossref | GoogleScholarGoogle Scholar |

Bedrosian, B., Craighead, D., and Crandall, R. (2012). Lead exposure in bald eagles from big game hunting, the continental implications and successful mitigation efforts. PLoS One 7, e51978.
Lead exposure in bald eagles from big game hunting, the continental implications and successful mitigation efforts.Crossref | GoogleScholarGoogle Scholar |

Bekessy, S. A., Wintle, B. A., Gordon, A., Fox, J. C., Chisholm, R., Brown, B., Regan, T., Mooney, N., Read, S. M., and Burgman, M. A. (2009). Modelling human impacts on the Tasmanian wedge-tailed eagle (Aquila audax fleayi). Biological Conservation 142, 2438–2448.
Modelling human impacts on the Tasmanian wedge-tailed eagle (Aquila audax fleayi).Crossref | GoogleScholarGoogle Scholar |

Bellinger, D. C., Burger, J., Cade, T. J., Cory-Slechta, D. A., Finkelstein, M., Hu, H., Kosnett, M., Landrigan, P. J., Lanphear, B., and Pokras, M. A. (2013). Health risks from lead-based ammunition in the environment. Environmental Health Perspectives 121, A178–A179.
Health risks from lead-based ammunition in the environment.Crossref | GoogleScholarGoogle Scholar |

Bellrose, F. C. (1959). Lead poisoning as a mortality factor in waterfowl populations. Bulletin - Illinois Natural History Survey 27, 236–288.

Bengsen, A. J., and Sparkes, J. (2016). Can recreational hunting contribute to pest mammal control on public land in Australia? Mammal Review 46, 297–310.
Can recreational hunting contribute to pest mammal control on public land in Australia?Crossref | GoogleScholarGoogle Scholar |

Bennett, A., Haydon, S., Stevens, M., and Coulson, G. (2015). Culling reduces fecal pellet deposition by introduced sambar (Rusa unicolor) in a protected water catchment. Wildlife Society Bulletin 39, 268–275.
Culling reduces fecal pellet deposition by introduced sambar (Rusa unicolor) in a protected water catchment.Crossref | GoogleScholarGoogle Scholar |

Bird, D. W., Bird, R. B., and Parker, C. H. (2005). Aboriginal burning regimes and hunting strategies in Australia’s Western Desert. Human Ecology 33, 443–464.
Aboriginal burning regimes and hunting strategies in Australia’s Western Desert.Crossref | GoogleScholarGoogle Scholar |

Birgisdottir, B. E., Knutsen, H. K., Haugen, M., Gjelstad, I. M., Jenssen, M. T. S., Ellingsen, D. G., Thomassen, Y., Alexander, J., Meltzer, H. M., and Brantsæter, A. L. (2013). Essential and toxic element concentrations in blood and urine and their associations with diet: results from a Norwegian population study including high-consumers of seafood and game. The Science of the Total Environment 463-464, 836–844.
Essential and toxic element concentrations in blood and urine and their associations with diet: results from a Norwegian population study including high-consumers of seafood and game.Crossref | GoogleScholarGoogle Scholar |

Bjermo, H., Sand, S., Nälsén, C., Lundh, T., Barbieri, H. E., Pearson, M., Lindroos, A. K., Jönsson, B. A., Barregård, L., and Darnerud, P. O. (2013). Lead, mercury, and cadmium in blood and their relation to diet among Swedish adults. Food and Chemical Toxicology 57, 161–169.
Lead, mercury, and cadmium in blood and their relation to diet among Swedish adults.Crossref | GoogleScholarGoogle Scholar |

Bjerregaard, P., Johansen, P., Mulvad, G., Pedersen, H. S., and Hansen, J. C. (2004). Lead sources in human diet in Greenland. Environmental Health Perspectives 112, 1496–1498.
Lead sources in human diet in Greenland.Crossref | GoogleScholarGoogle Scholar |

Bliege Bird, R., Bird, D. W., Codding, B. F., Parker, C. H., and Jones, J. H. (2008). The fire stick farming’ hypothesis: Australian Aboriginal foraging strategies, biodiversity, and anthropogenic fire mosaics. Proceedings of the National Academy of Sciences of the United States of America 105, 14796–14801.
The fire stick farming’ hypothesis: Australian Aboriginal foraging strategies, biodiversity, and anthropogenic fire mosaics.Crossref | GoogleScholarGoogle Scholar |

Botham, P. A. (2004). Acute systemic toxicity: prospects for tiered testing strategies. Toxicology In Vitro 18, 227–230.
Acute systemic toxicity: prospects for tiered testing strategies.Crossref | GoogleScholarGoogle Scholar |

Brooker, M. G., and Ridpath, M. G. (1980). The diet of the wedge-tailed eagle, Aquila audax, in Western Australia. Wildlife Research 7, 433–452.
The diet of the wedge-tailed eagle, Aquila audax, in Western Australia.Crossref | GoogleScholarGoogle Scholar |

Brown, C. (2015). ‘Wild Boar Exports Suffer as Accredited Hunter Numbers Drop.’ (Australian Broadcasting Commission: Sydney, NSW.) Available at http://www.abc.net.au/news/rural/2015-04-14/wild-boar-market-hit-by-dropping-hunter-numbers/6383368 [Verified 19 March 2018].

Brown, O. J. F., Field, J., and Letnic, M. (2006). Variation in the taphonomic effect of scavengers in semi‐arid Australia linked to rainfall and the El Niño Southern Oscillation. International Journal of Osteoarchaeology 16, 165–176.
Variation in the taphonomic effect of scavengers in semi‐arid Australia linked to rainfall and the El Niño Southern Oscillation.Crossref | GoogleScholarGoogle Scholar |

Buenz, E. J. (2016a). Eliminating potential lead exposure in imported New Zealand wild game. Public Health 139, 236–237.

Buenz, E. J. (2016b). Non-lead ammunition may reduce lead levels in wild game. Environmental Science and Pollution Research International 23, 15773.
Non-lead ammunition may reduce lead levels in wild game.Crossref | GoogleScholarGoogle Scholar |

Buenz, E. J., and Parry, G. J. (2017). Chronic lead intoxication from eating wild-harvested game. The American Journal of Medicine , .

Buenz, E. J., Parry, G. J., Bauer, B. A., Matheny, L. M., and Breukel, K. (2017). A prospective observational study assessing the feasibility of measuring blood lead levels in New Zealand hunters eating meat harvested with lead projectiles. Contemporary Clinical Trials Communications 5, 137–143.
A prospective observational study assessing the feasibility of measuring blood lead levels in New Zealand hunters eating meat harvested with lead projectiles.Crossref | GoogleScholarGoogle Scholar |

Buttke, D. E., Decker, D. J., and Wild, M. A. (2015). The role of one health in wildlife conservation: a challenge and opportunity. Journal of Wildlife Diseases 51, 1–8.
The role of one health in wildlife conservation: a challenge and opportunity.Crossref | GoogleScholarGoogle Scholar |

Cade, T. J. (2007). Exposure of California condors to lead from spent ammunition. The Journal of Wildlife Management 71, 2125–2133.
Exposure of California condors to lead from spent ammunition.Crossref | GoogleScholarGoogle Scholar |

Calle, P. P., Kowalczyk, D. F., Dein, F., and Hartman, F. E. (1982). Effect of hunters’ switch from lead to steel shot on potential for oral lead poisoning in ducks. Journal of the American Veterinary Medical Association 181, 1299–1301.

Camus, A. C., Mitchell, M. M., Williams, J. F., and Jowett, P. L. (1998). Elevated lead levels in farmed American alligators Alligator mississippiensis consuming nutria Myocastor coypus meat contaminated by lead bullets. Journal of the World Aquaculture Society 29, 370–376.
Elevated lead levels in farmed American alligators Alligator mississippiensis consuming nutria Myocastor coypus meat contaminated by lead bullets.Crossref | GoogleScholarGoogle Scholar |

Caudell, J. N. (2013). Review of wound ballistic research and its applicability to wildlife management. Wildlife Society Bulletin 37, 824–831.
Review of wound ballistic research and its applicability to wildlife management.Crossref | GoogleScholarGoogle Scholar |

Caudell, J. N., Stopak, S. R., and Wolf, P. C. (2012). Lead-free, high-powered rifle bullets and their applicability in wildlife management. Human–Wildlife Interactions 6, 105–111.

Centers for Disease Control and Prevention (2017). ‘What Do Parents Need to Know to Protect their Children? Blood Lead Levels in Children.’ (United States Centers for Disease Control and Prevention: Atlanta, GA.) Available at https://www.cdc.gov/nceh/lead/acclpp/blood_lead_levels.htm [Verified 2 December 2017].

Chase, L., and Rabe, M. J. (2015). Reducing lead on the landscape: anticipating hunter behavior in absence of a free nonlead ammunition program. PLoS One 10, e0128355.
Reducing lead on the landscape: anticipating hunter behavior in absence of a free nonlead ammunition program.Crossref | GoogleScholarGoogle Scholar |

Choquenot, D., Hone, J., and Saunders, G. (1999). Using aspects of predator-prey theory to evaluate helicopter shooting for feral pig control. Wildlife Research 26, 251–261.
Using aspects of predator-prey theory to evaluate helicopter shooting for feral pig control.Crossref | GoogleScholarGoogle Scholar |

Church, M. E., Gwiazda, R., Risebrough, R. W., Sorenson, K., Chamberlain, C. P., Farry, S., Heinrich, W., Rideout, B. A., and Smith, D. R. (2006). Ammunition is the principal source of lead accumulated by California condors re-introduced to the wild. Environmental Science & Technology 40, 6143–6150.
Ammunition is the principal source of lead accumulated by California condors re-introduced to the wild.Crossref | GoogleScholarGoogle Scholar |

Commonwealth of Australia (2008). ‘National Code of Practice for the Humane Shooting of Kangaroos and Wallabies for Commercial Purposes.’ (Department of Environment and Heritage: Canberra, ACT.)

Commonwealth of Australia (2017). ‘National Residue Survey.’ (Department of Agriculture and Water Resources: Canberra, ACT.)

Cornatzer, W. E., Fogarty, E. F., and Cornatzer, E. W. (2009). Qualitative and quantitative detection of lead bullet fragments in random venison packages donated to the Community Action Food Centers of North Dakota, 2007. In ‘Ingestion of Lead from Spent Ammunition: Implications for Wildlife and Humans’. (Eds R. T. Watson, M. Fuller, M. Pokras, W. G. Hunt.) pp. 154–156. (The Peregrine Fund: Boise, ID.)

Cowan, P., and Tyndale-Biscoe, C. (1997). Australian and New Zealand mammal species considered to be pests or problems. Reproduction, Fertility and Development 9, 27–36.
Australian and New Zealand mammal species considered to be pests or problems.Crossref | GoogleScholarGoogle Scholar |

Craighead, D., and Bedrosian, B. (2008). Blood lead levels of common ravens with access to big-game offal. The Journal of Wildlife Management 72, 240–245.
Blood lead levels of common ravens with access to big-game offal.Crossref | GoogleScholarGoogle Scholar |

Craighead, D., and Bedrosian, B. (2009). A relationship between blood lead levels of common ravens and the hunting season in the southern Yellowstone ecosystem. In ‘Ingestion of Lead from Spent Ammunition: Implications for Wildlife and Humans’. (Eds R. T. Watson, M. Fuller, M. Pokras, W. G. Hunt.) pp. 202–205. (The Peregrine Fund: Boise, ID.)

Cromie, R., Newth, J., Reeves, J., O’Brien, M., Beckmann, K., and Brown, M. (2014). The sociological and political aspects of reducing lead poisoning from ammunition in the UK: why the transition to non-toxic ammunition is so difficult. In ‘Proceedings of the Oxford Lead Symposium: Lead Ammunition: Understanding and Minimizing the Risks to Human and Environmental Health’. (Eds R. J. Delahay and C. J. Spray.) pp. 104–124. (Oxford University: Oxford, UK.)

Cruz-Martinez, L., Grund, M. D., and Redig, P. T. (2015). Quantitative assessment of bullet fragments in viscera of sheep carcasses as surrogates for white-tailed deer. Human-Wildlife Interactions 9, 211–218.

Davis, N. E., Bennett, A., Forsyth, D. M., Bowman, D. M., Lefroy, E. C., Wood, S. W., Woolnough, A. P., West, P., Hampton, J. O., and Johnson, C. N. (2016). A systematic review of the impacts and management of introduced deer (family Cervidae) in Australia. Wildlife Research 43, 515–532.
A systematic review of the impacts and management of introduced deer (family Cervidae) in Australia.Crossref | GoogleScholarGoogle Scholar |

Delahay, R. J., and Spray, C. J. (Eds) (2014). ‘Proceedings of the Oxford Lead Symposium: Lead Ammunition: Understanding and Minimizing the Risks to Human and Environmental Health.’ (Oxford University: Oxford, UK.)

Descovich, K. A., McDonald, I. J., Tribe, A., and Phillips, C. J. C. (2015). A welfare assessment of methods used for harvesting, hunting and population control of kangaroos and wallabies. Animal Welfare 24, 255–265.
A welfare assessment of methods used for harvesting, hunting and population control of kangaroos and wallabies.Crossref | GoogleScholarGoogle Scholar |

Dias, A. (2016). ‘Poisoning in NT Children Linked to Lead Ammunition Used by Hunters.’ (Australian Broadcasting Commission: Sydney, NSW.) Available at http://www.abc.net.au/news/2016-05-30/lead-poisoning-in-nt-children-linked-to-ammunition/7457296 [Verified 2 December 2017].

Dobrowolska, A., and Melosik, M. (2008). Bullet-derived lead in tissues of the wild boar (Sus scrofa) and red deer (Cervus elaphus). European Journal of Wildlife Research 54, 231–235.

Ecke, F., Singh, N. J., Arnemo, J. M., Bignert, A., Helander, B. r., Berglund, Å. M., Borg, H., Bröjer, C., Holm, K., and Lanzone, M. (2017). Sublethal lead exposure alters movement behavior in free-ranging golden eagles. Environmental Science & Technology 51, 5729–5736.
Sublethal lead exposure alters movement behavior in free-ranging golden eagles.Crossref | GoogleScholarGoogle Scholar |

Education and Health Standing Committee (2007). Inquiry into the cause and extent of lead pollution in the Esperance area. Report no. 8 in the 37th Parliament. Legislative Assembly, Parliament of Western Australia, Perth, WA. 2007 Available at http://www.parliament.wa.gov.au/parliament/commit.nsf/(Report+Lookup+by+Com+ID)/6F072B9AF0DE627AC825734E000AD [Verified 2 December 2017].

Edwards, G., Digby, D., O’Leary, P., Rafferty, D., Jensen, M., Woolnough, A., Secomb, N., Williams, M., Schwartzkopff, K., and Bryan, R. (2016). Planning and conducting aerial culling operations for feral camels. The Rangeland Journal 38, 153–162.
Planning and conducting aerial culling operations for feral camels.Crossref | GoogleScholarGoogle Scholar |

Epps, C. W. (2014). Considering the switch: challenges of transitioning to non-lead hunting ammunition. The Condor 116, 429–434.
Considering the switch: challenges of transitioning to non-lead hunting ammunition.Crossref | GoogleScholarGoogle Scholar |

European Food Safety Authority (2010). Scientific opinion on lead in food. EFSA Journal 8, 1570.
Scientific opinion on lead in food.Crossref | GoogleScholarGoogle Scholar |

Fachehoun, R. C., Lévesque, B., Dumas, P., St-Louis, A., Dubé, M., and Ayotte, P. (2015). Lead exposure through consumption of big game meat in Quebec, Canada: risk assessment and perception. Food Additives & Contaminants: Part A 32, 1501–1511.
Lead exposure through consumption of big game meat in Quebec, Canada: risk assessment and perception.Crossref | GoogleScholarGoogle Scholar |

Fackler, M. L., Surinchak, J. S., Malinowski, J. A., and Bowen, R. E. (1984). Bullet fragmentation: a major cause of tissue disruption. The Journal of Trauma and Acute Care Surgery 24, 35–39.
Bullet fragmentation: a major cause of tissue disruption.Crossref | GoogleScholarGoogle Scholar |

Finkelstein, M., George, D., Scherbinski, S., Gwiazda, R., Johnson, M., Burnett, J., Brandt, J., Lawrey, S., Pessier, A. P., and Clark, M. (2010). Feather lead concentrations and 207Pb/206Pb ratios reveal lead exposure history of California condors (Gymnogyps californianus). Environmental Science & Technology 44, 2639–2647.
Feather lead concentrations and 207Pb/206Pb ratios reveal lead exposure history of California condors (Gymnogyps californianus).Crossref | GoogleScholarGoogle Scholar |

Finkelstein, M. E., Doak, D. F., George, D., Burnett, J., Brandt, J., Church, M., Grantham, J., and Smith, D. R. (2012). Lead poisoning and the deceptive recovery of the critically endangered California condor. Proceedings of the National Academy of Sciences of the United States of America 109, 11449–11454.
Lead poisoning and the deceptive recovery of the critically endangered California condor.Crossref | GoogleScholarGoogle Scholar |

Fisher, I. J., Pain, D. J., and Thomas, V. G. (2006). A review of lead poisoning from ammunition sources in terrestrial birds. Biological Conservation 131, 421–432.
A review of lead poisoning from ammunition sources in terrestrial birds.Crossref | GoogleScholarGoogle Scholar |

Food Standards Australia New Zealand (2014). ‘24th Australian Total Diet Study.’ (Food Standards Australia New Zealand: Canberra, ACT.)

Forsyth, D. M., Woodford, L., Moloney, P. D., Hampton, J. O., Woolnough, A. P., and Tucker, M. (2014). How does a carnivore guild utilise a substantial but unpredictable anthropogenic food source? Scavenging on hunter-shot ungulate carcasses by wild dogs/dingoes, red foxes and feral cats in south-eastern Australia revealed by camera traps. PLoS One 9, e97937.
How does a carnivore guild utilise a substantial but unpredictable anthropogenic food source? Scavenging on hunter-shot ungulate carcasses by wild dogs/dingoes, red foxes and feral cats in south-eastern Australia revealed by camera traps.Crossref | GoogleScholarGoogle Scholar |

Fox, N. C., Blay, N., Greenwood, A. G., Wise, D., and Potapov, E. (2005). Wounding rates in shooting foxes (Vulpes vulpes). Animal Welfare 14, 93–102.

Freeland, W. J., and Choquenot, D. (1990). Determinants of herbivore carrying capacity: plants, nutrients, and Equus asinus in northern Australia. Ecology 71, 589–597.
Determinants of herbivore carrying capacity: plants, nutrients, and Equus asinus in northern Australia.Crossref | GoogleScholarGoogle Scholar |

Fustinoni, S., Sucato, S., Consonni, D., Mannucci, P. M., and Moretto, A. (2017). Blood lead levels following consumption of game meat in Italy. Environmental Research 155, 36–41.
Blood lead levels following consumption of game meat in Italy.Crossref | GoogleScholarGoogle Scholar |

Game Council New South Wales (2013). ‘2012–13 Public Benefit Assessment.’ (Game Council New South Wales: Sydney, NSW.)

Game Management Authority (2016). Game licence statistics summary report – 2016. Game Management Authority, Melbourne, Vic. Available at http://www.gma.vic.gov.au/__data/assets/pdf_file/0012/324030/Game-Licence-Statistics-Summary-Report-2016.pdf [Verified 9 December 2017].

Game Management Authority (2017). ‘Estimates of Deer Harvest in Victoria. Results from Surveys of Victorian Game Licence holders in 2016.’ (Game Management Authority: Melbourne, Vic.) Available at http://www.gma.vic.gov.au/__data/assets/pdf_file/0010/367048/Deer-Harvest- Report-2016-FOR-WEB.pdf [Verified 19 March 2018].

Garbett, R., Maude, G., Hancock, P., Kenny, D., Reading, R., and Amar, A. (2018). Association between hunting and elevated blood lead levels in the critically endangered African white-backed vulture Gyps africanus. Science of the Total Environment 630, 1654–1665.

Gavaghan, H. (2002). Lead, unsafe at any level. Bulletin of the World Health Organization 80, 8–2.

Gil-Sánchez, J. M., Molleda, S., Sánchez-Zapata, J. A., Bautista, J., Navas, I., Godinho, R., García-Fernández, A. J., and Moleón, M. (2018). From sport hunting to breeding success: patterns of lead ammunition ingestion and its effects on an endangered raptor. The Science of the Total Environment 613–614, 483–491.
From sport hunting to breeding success: patterns of lead ammunition ingestion and its effects on an endangered raptor.Crossref | GoogleScholarGoogle Scholar |

Gilbert, S. G., and Weiss, B. (2006). A rationale for lowering the blood lead action level from 10 to 2μg/dL. Neurotoxicology 27, 693–701.
A rationale for lowering the blood lead action level from 10 to 2μg/dL.Crossref | GoogleScholarGoogle Scholar |

Golden, N. H., Warner, S. E., and Coffey, M. J. (2016). A review and assessment of spent lead ammunition and its exposure and effects to scavenging birds in the United States. In ‘Reviews of Environmental Contamination and Toxicology’. (Ed. P. de Voogt.) pp. 123–191. (Springer: Cham, Switzerland.)

González, F., López, I., Suarez, L., Moraleda, V., and Rodríguez, C. (2017). Levels of blood lead in Griffon vultures from a Wildlife Rehabilitation Center in Spain. Ecotoxicology and Environmental Safety 143, 143–150.
Levels of blood lead in Griffon vultures from a Wildlife Rehabilitation Center in Spain.Crossref | GoogleScholarGoogle Scholar |

Gowans, S., Gibson, M., Westbrooke, M., and Pegler, P. (2010). Changes in vegetation condition following kangaroo population management in Wyperfeld National Park. In ‘Macropods: the Biology of Kangaroos, Wallabies, and Rat-kangaroos’. (Eds G. Coulson and M. D. B. Eldridge.) pp. 361–370. (CSIRO Publishing: Melbourne, Vic.)

Green, R. E., Hunt, W. G., Parish, C. N., and Newton, I. (2008). Effectiveness of action to reduce exposure of free-ranging California condors in Arizona and Utah to lead from spent ammunition. PLoS One 3, e4022.
Effectiveness of action to reduce exposure of free-ranging California condors in Arizona and Utah to lead from spent ammunition.Crossref | GoogleScholarGoogle Scholar |

Gremse, F., Krone, O., Thamm, M., Kiessling, F., Tolba, R. H., Rieger, S., and Gremse, C. (2014). Performance of lead-free versus lead-based hunting ammunition in ballistic soap. PLoS One 9, e102015.
Performance of lead-free versus lead-based hunting ammunition in ballistic soap.Crossref | GoogleScholarGoogle Scholar |

Grund, M. D., Cornicelli, L., Carlson, L. T., and Butler, E. A. (2010). Bullet fragmentation and lead deposition in white-tailed deer and domestic sheep. Human–Wildlife Interactions 4, 257–265.

Gulson, B. L., Palmer, J. M., and Bryce, A. (2002). Changes in blood lead of a recreational shooter. The Science of the Total Environment 293, 143–150.
Changes in blood lead of a recreational shooter.Crossref | GoogleScholarGoogle Scholar |

Gulson, B. L., Mizon, K. J., Korsch, M. J., Palmer, J. M., and Donnelly, J. B. (2003). Mobilization of lead from human bone tissue during pregnancy and lactation: a summary of long-term research. The Science of the Total Environment 303, 79–104.
Mobilization of lead from human bone tissue during pregnancy and lactation: a summary of long-term research.Crossref | GoogleScholarGoogle Scholar |

Gulson, B., Korsch, M., Matisons, M., Douglas, C., Gillam, L., and McLaughlin, V. (2009). Windblown lead carbonate as the main source of lead in blood of children from a seaside community: an example of local birds as ‘canaries in the mine’. Environmental Health Perspectives 117, 148–154.
Windblown lead carbonate as the main source of lead in blood of children from a seaside community: an example of local birds as ‘canaries in the mine’.Crossref | GoogleScholarGoogle Scholar |

Gulson, B., Korsch, M., Winchester, W., Devenish, M., Hobbs, T., Main, C., Smith, G., Rosman, K., Howearth, L., and Burn-Nunes, L. (2012). Successful application of lead isotopes in source apportionment, legal proceedings, remediation and monitoring. Environmental Research 112, 100–110.
Successful application of lead isotopes in source apportionment, legal proceedings, remediation and monitoring.Crossref | GoogleScholarGoogle Scholar |

Gulson, B., Mizon, K., Korsch, M., and Taylor, A. (2016). Revisiting mobilisation of skeletal lead during pregnancy based on monthly sampling and cord/maternal blood lead relationships confirm placental transfer of lead. Archives of Toxicology 90, 805–816.
Revisiting mobilisation of skeletal lead during pregnancy based on monthly sampling and cord/maternal blood lead relationships confirm placental transfer of lead.Crossref | GoogleScholarGoogle Scholar |

Haig, S. M., D’Elia, J., Eagles-Smith, C., Fair, J. M., Gervais, J., Herring, G., Rivers, J. W., and Schulz, J. H. (2014). The persistent problem of lead poisoning in birds from ammunition and fishing tackle. The Condor 116, 408–428.
The persistent problem of lead poisoning in birds from ammunition and fishing tackle.Crossref | GoogleScholarGoogle Scholar |

Haldimann, M., Baumgartner, A., and Zimmerli, B. (2002). Intake of lead from game meat: a risk to consumers’ health? European Food Research and Technology 215, 375–379.
Intake of lead from game meat: a risk to consumers’ health?Crossref | GoogleScholarGoogle Scholar |

Hampton, J. O. (2016). ‘Incorporating New Firearms Technology into Wildlife Management While Maintaining Animal Welfare Standards.’ (Australasian Wildlife Management Society: Auckland, New Zealand.)

Hampton, J. O., and Forsyth, D. M. (2016). An assessment of animal welfare for the culling of peri-urban kangaroos. Wildlife Research 43, 261–266.
An assessment of animal welfare for the culling of peri-urban kangaroos.Crossref | GoogleScholarGoogle Scholar |

Hampton, J. O., Mawson, P. R., Coughran, D., and Vitali, S. (2014a). Validation of the use of firearms for euthanising stranded cetaceans. The Journal of Cetacean Research and Management 14, 117–123.

Hampton, J. O., Cowled, B. D., Perry, A. L., Miller, C. J., Jones, B., and Hart, Q. (2014b). Quantitative analysis of animal-welfare outcomes in helicopter shooting: a case study with feral dromedary camels (Camelus dromedarius). Wildlife Research 41, 127–135.
Quantitative analysis of animal-welfare outcomes in helicopter shooting: a case study with feral dromedary camels (Camelus dromedarius).Crossref | GoogleScholarGoogle Scholar |

Hampton, J. O., Forsyth, D., Mackenzie, D., and Stuart, I. (2015). A simple quantitative method for assessing animal welfare outcomes in terrestrial wildlife shooting: the European rabbit as a case study. Animal Welfare 24, 307–317.
A simple quantitative method for assessing animal welfare outcomes in terrestrial wildlife shooting: the European rabbit as a case study.Crossref | GoogleScholarGoogle Scholar |

Hampton, J. O., Adams, P. J., Forsyth, D. M., Cowled, B. D., Stuart, I. G., Hyndman, T. H., and Collins, T. (2016a). Improving animal welfare in wildlife shooting: the importance of projectile energy. Wildlife Society Bulletin 40, 678–686.
Improving animal welfare in wildlife shooting: the importance of projectile energy.Crossref | GoogleScholarGoogle Scholar |

Hampton, J. O., Jones, B., Perry, A. L., Miller, C. J., and Hart, Q. (2016b). Integrating animal welfare into wild herbivore management: lessons from the Australian Feral Camel Management Project. The Rangeland Journal 38, 163–171.
Integrating animal welfare into wild herbivore management: lessons from the Australian Feral Camel Management Project.Crossref | GoogleScholarGoogle Scholar |

Hampton, J. O., Edwards, G. P., Cowled, B. D., Forsyth, D. M., Hyndman, T. H., Perry, A. L., Miller, C. J., Adams, P. J., and Collins, T. (2017). Assessment of animal welfare for helicopter shooting of feral horses. Wildlife Research 44, 97–105.
Assessment of animal welfare for helicopter shooting of feral horses.Crossref | GoogleScholarGoogle Scholar |

Harper, M., and Hindmarsh, M. (1990). Lead-poisoning in magpie geese Anseranas-semipalmata from ingested lead pellet at Bool-Lagoon-Game-Reserve (South-Australia). Wildlife Research 17, 141–145.
Lead-poisoning in magpie geese Anseranas-semipalmata from ingested lead pellet at Bool-Lagoon-Game-Reserve (South-Australia).Crossref | GoogleScholarGoogle Scholar |

Hart, Q., and Edwards, G. (2016). Outcomes of the Australian Feral Camel Management Project and the future of feral camel management in Australia. The Rangeland Journal 38, 201–206.
Outcomes of the Australian Feral Camel Management Project and the future of feral camel management in Australia.Crossref | GoogleScholarGoogle Scholar |

Hawkins, R. (2011). EPA shoots down lead shot regulation: lead ammo’s unreasonable risk to human health and the environment, and the special situation of the California condor. Golden Gate University Environmental Law Journal 5, 533–566.

Helander, B., Axelsson, J., Borg, H., Holm, K., and Bignert, A. (2009). Ingestion of lead from ammunition and lead concentrations in white-tailed sea eagles (Haliaeetus albicilla) in Sweden. The Science of the Total Environment 407, 5555–5563.
Ingestion of lead from ammunition and lead concentrations in white-tailed sea eagles (Haliaeetus albicilla) in Sweden.Crossref | GoogleScholarGoogle Scholar |

Herring, G., Eagles-Smith, C. A., and Wagner, M. T. (2016). Ground squirrel shooting and potential lead exposure in breeding avian scavengers. PLoS One 11, e0167926.
Ground squirrel shooting and potential lead exposure in breeding avian scavengers.Crossref | GoogleScholarGoogle Scholar |

Høgåsen, H. R., Ørnsrud, R., Knutsen, H. K., and Bernhoft, A. (2016). Lead intoxication in dogs: risk assessment of feeding dogs trimmings of lead-shot game. BMC Veterinary Research 12, 152.
Lead intoxication in dogs: risk assessment of feeding dogs trimmings of lead-shot game.Crossref | GoogleScholarGoogle Scholar |

Humburg, D. D., Sheriff, S. L., Geissler, P. H., and Roster, T. (1982). Shotshell and shooter effectiveness: lead vs. steel shot for duck hunting. Wildlife Society Bulletin 10, 121–126.

Hunt, W. G. (2012). Implications of sublethal lead exposure in avian scavengers. The Journal of Raptor Research 46, 389–393.
Implications of sublethal lead exposure in avian scavengers.Crossref | GoogleScholarGoogle Scholar |

Hunt, W. G., Burnham, W., Parish, C. N., Burnham, K. K., Mutch, B., and Oaks, J. L. (2006). Bullet fragments in deer remains: implications for lead exposure in avian scavengers. Wildlife Society Bulletin 34, 167–170.
Bullet fragments in deer remains: implications for lead exposure in avian scavengers.Crossref | GoogleScholarGoogle Scholar |

Hunt, W. G., Watson, R. T., Oaks, J. L., Parish, C. N., Burnham, K. K., Tucker, R. L., Belthoff, J. R., and Hart, G. (2009). Lead bullet fragments in venison from rifle-killed deer: potential for human dietary exposure. PLoS One 4, e5330.
Lead bullet fragments in venison from rifle-killed deer: potential for human dietary exposure.Crossref | GoogleScholarGoogle Scholar |

Iqbal, S., Blumenthal, W., Kennedy, C., Yip, F. Y., Pickard, S., Flanders, W. D., Loringer, K., Kruger, K., Caldwell, K. L., and Brown, M. J. (2009). Hunting with lead: association between blood lead levels and wild game consumption. Environmental Research 109, 952–959.
Hunting with lead: association between blood lead levels and wild game consumption.Crossref | GoogleScholarGoogle Scholar |

Irwin, M. J., Massey, P. D., Walker, B., and Durrheim, D. N. (2009). Feral pig hunting: a risk factor for human brucellosis in north-west NSW? NSW Public Health Bulletin 20, 192–194.
Feral pig hunting: a risk factor for human brucellosis in north-west NSW?Crossref | GoogleScholarGoogle Scholar |

Ishii, C., Nakayama, S. M., Ikenaka, Y., Nakata, H., Saito, K., Watanabe, Y., Mizukawa, H., Tanabe, S., Nomiyama, K., Hayashi, T., and Ishizuka, M. (2017). Lead exposure in raptors from Japan and source identification using Pb stable isotope ratios. Chemosphere 186, 367–373.
Lead exposure in raptors from Japan and source identification using Pb stable isotope ratios.Crossref | GoogleScholarGoogle Scholar |

Jarman, P. J., Allen, L. R., Boschma, D. J., and Green, S. W. (2007). Scat contents of the spotted-tailed quoll Dasyurus maculatus in the New England gorges, north-eastern New South Wales. Australian Journal of Zoology 55, 63–72.
Scat contents of the spotted-tailed quoll Dasyurus maculatus in the New England gorges, north-eastern New South Wales.Crossref | GoogleScholarGoogle Scholar |

Johansen, P., Pedersen, H. S., Asmund, G., and Riget, F. (2006). Lead shot from hunting as a source of lead in human blood. Environmental Pollution 142, 93–97.
Lead shot from hunting as a source of lead in human blood.Crossref | GoogleScholarGoogle Scholar |

Johnson, C., Kelly, T., and Rideout, B. (2013). Lead in ammunition: a persistent threat to health and conservation. EcoHealth 10, 455–464.
Lead in ammunition: a persistent threat to health and conservation.Crossref | GoogleScholarGoogle Scholar |

Juric, A. K., Batal, M., David, W., Sharp, D., Schwartz, H., Ing, A., Fediuk, K., Black, A., Tikhonov, C., Chan, H. M., and Chan, L. (2018). Risk assessment of dietary lead exposure among First Nations people living on-reserve in Ontario, Canada using a total diet study and a probabilistic approach. Journal of Hazardous Materials 344, 55–63.
Risk assessment of dietary lead exposure among First Nations people living on-reserve in Ontario, Canada using a total diet study and a probabilistic approach.Crossref | GoogleScholarGoogle Scholar |

Kanstrup, N., Balsby, T. J., and Thomas, V. G. (2016a). Efficacy of non-lead rifle ammunition for hunting in Denmark. European Journal of Wildlife Research 62, 333–340.
Efficacy of non-lead rifle ammunition for hunting in Denmark.Crossref | GoogleScholarGoogle Scholar |

Kanstrup, N., Thomas, V. G., Krone, O., and Gremse, C. (2016b). The transition to non-lead rifle ammunition in Denmark: national obligations and policy considerations. Ambio 45, 621–628.
The transition to non-lead rifle ammunition in Denmark: national obligations and policy considerations.Crossref | GoogleScholarGoogle Scholar |

Kanstrup, N., Swift, J., Stroud, D. A., and Lewis, M. (2018). Hunting with lead ammunition is not sustainable: European perspectives. Ambio , .
Hunting with lead ammunition is not sustainable: European perspectives.Crossref | GoogleScholarGoogle Scholar |

Kelly, T. R., and Johnson, C. K. (2011). Lead exposure in free-flying turkey vultures is associated with big game hunting in California. PLoS One 6, e15350.
Lead exposure in free-flying turkey vultures is associated with big game hunting in California.Crossref | GoogleScholarGoogle Scholar |

Kelly, T. R., Bloom, P. H., Torres, S. G., Hernandez, Y. Z., Poppenga, R. H., Boyce, W. M., and Johnson, C. K. (2011). Impact of the California lead ammunition ban on reducing lead exposure in golden eagles and turkey vultures. PLoS One 6, e17656.
Impact of the California lead ammunition ban on reducing lead exposure in golden eagles and turkey vultures.Crossref | GoogleScholarGoogle Scholar |

Kelly, T. R., Grantham, J., George, D., Welch, A., Brandt, J., Burnett, L. J., Sorenson, K. J., Johnson, M., Poppenga, R., Moen, D., and Rasico, J. (2014a). Spatiotemporal patterns and risk factors for lead exposure in endangered California condors during 15 years of reintroduction. Conservation Biology 28, 1721–1730.
Spatiotemporal patterns and risk factors for lead exposure in endangered California condors during 15 years of reintroduction.Crossref | GoogleScholarGoogle Scholar |

Kelly, T. R., Poppenga, R. H., Woods, L. A., Hernandez, Y. Z., Boyce, W. M., Samaniego, F. J., Torres, S. G., and Johnson, C. K. (2014b). Causes of mortality and unintentional poisoning in predatory and scavenging birds in California. Veterinary Record Open 1, .

Kilpatrick, H. J., LaBonte, A. M., and Seymour, J. T. (2002). A shotgun-archery deer hunt in a residential community: evaluation of hunt strategies and effectiveness. Wildlife Society Bulletin 30, 478–486.

Kim, E. Y., Goto, R., Iwata, H., Masuda, Y., Tanabe, S., and Fujita, S. (1999). Preliminary survey of lead poisoning of Steller’s sea eagle (Haliaeetus pelagicus) and white‐tailed sea eagle (Haliaeetus albicilla) in Hokkaido, Japan. Environmental Toxicology and Chemistry 18, 448–451.

Kitowski, I.,, Sujak, A., Wiącek, D., Strobel, W., Komosa, A., and Stobiński, M. (2016). Heavy metals in livers of raptors from Eastern Poland-the importance of diet composition. Belgian Journal of Zoology 146, 3–13.

Kneubuehl, B. P. (Ed.) (2011). ‘Wound Ballistics: Basics and Applications.’ (Springer-Verlag: Berlin, Germany).

Knopper, L. D., Mineau, P., Scheuhammer, A. M., Bond, D. E., and McKinnon, D. T. (2006). Carcasses of shot Richardson’s ground squirrels may pose lead hazards to scavenging hawks. The Journal of Wildlife Management 70, 295–299.
Carcasses of shot Richardson’s ground squirrels may pose lead hazards to scavenging hawks.Crossref | GoogleScholarGoogle Scholar |

Knott, J., Gilbert, J., Green, R. E., and Hoccom, D. G. (2009). Comparison of the lethality of lead and copper bullets in deer control operations to reduce incidental lead poisoning: field trials in England and Scotland. Conservation Evidence 6, 71–78.

Knott, J., Gilbert, J., Hoccom, D. G., and Green, R. E. (2010). Implications for wildlife and humans of dietary exposure to lead from fragments of lead rifle bullets in deer shot in the UK. The Science of the Total Environment 409, 95–99.
Implications for wildlife and humans of dietary exposure to lead from fragments of lead rifle bullets in deer shot in the UK.Crossref | GoogleScholarGoogle Scholar |

Knutsen, H. K., Brantsæter, A. L., Fæste, C. K., Ruus, A., Thomsen, C., Amlund, H., Arukwe, A., Eriksen, G. S., and Skåre, J. U. (2013). ‘Risk Assessment of Lead Exposure from Cervid Meat in Norwegian Consumers and in Hunting Dogs. Opinion of the Panel on Contaminants of the Norwegian Scientific Committee for Food Safety.’ (Norwegian Scientific Committee for Food Safety: Oslo, Norway.) Available at https://brage.bibsys.no/xmlui/bitstream/handle/11250/2463569/Knutsen_2013_Ris.pdf?sequence=2 [Verified 5 December 2017].

Kosnett, M. J. (2009). Health effects of low dose lead exposure in adults and children, and preventable risk posed by the consumption of game meat harvested with lead ammunition. In ‘Ingestion of Lead from Spent Ammunition: Implications for Wildlife and Humans’. (Eds R. T. Watson, M. Fuller, M. Pokras, W. G. Hunt.) pp. 24–33. (The Peregrine Fund: Boise, ID.)

Krone, O., Stjernberg, T., Kenntner, N., Tataruch, F., Koivusaari, J., and Nuuja, I. (2006). Mortality factors, helminth burden, and contaminant residues in white-tailed sea eagles (Haliaeetus albicilla) from Finland. Ambio 35, 98–104.
Mortality factors, helminth burden, and contaminant residues in white-tailed sea eagles (Haliaeetus albicilla) from Finland.Crossref | GoogleScholarGoogle Scholar |

Kurosawa, N. (2000). Lead poisoning in Steller’s sea eagles and white-tailed sea eagles. In ‘First Symposium on Stellar’s and White-Tailed Sea Eagles in East Asia’. (Eds M. Ueta, M. J. McGrady.) pp. 107–109. (Wild Bird Society of Japan: Tokyo, Japan.)

Laidlaw, M. A., Filippelli, G., Mielke, H., Gulson, B., and Ball, A. S. (2017). Lead exposure at firing ranges: a review. Environmental Health 16, 34.
Lead exposure at firing ranges: a review.Crossref | GoogleScholarGoogle Scholar |

Lambertucci, S. A., Donázar, J. A., Huertas, A. D., Jiménez, B., Sáez, M., Sanchez-Zapata, J. A., and Hiraldo, F. (2011). Widening the problem of lead poisoning to a South-American top scavenger: lead concentrations in feathers of wild Andean condors. Biological Conservation 144, 1464–1471.
Widening the problem of lead poisoning to a South-American top scavenger: lead concentrations in feathers of wild Andean condors.Crossref | GoogleScholarGoogle Scholar |

Lanphear, B. P. (2007). The conquest of lead poisoning: a pyrrhic victory. Environmental Health Perspectives 115, A484.
The conquest of lead poisoning: a pyrrhic victory.Crossref | GoogleScholarGoogle Scholar |

Latham, A. D. M., Latham, M. C., Herries, D., Barron, M., Cruz, J., and Anderson, D. P. (2017). Assessing the efficacy of aerial culling of introduced wild deer in New Zealand with analytical decomposition of predation risk. Biological Invasions 20, 1–16.

Legagneux, P., Suffice, P., Messier, J.-S., Lelievre, F., Tremblay, J. A., Maisonneuve, C., Saint-Louis, R., and Bêty, J. (2014). High risk of lead contamination for scavengers in an area with high moose hunting success. PLoS One 9, e111546.
High risk of lead contamination for scavengers in an area with high moose hunting success.Crossref | GoogleScholarGoogle Scholar |

Li, P., Sheng, Y., Wang, Q., Gu, L., and Wang, Y. (2000). Transfer of lead via placenta and breast milk in human. Biomedical and Environmental Sciences 13, 85–89.

Liberda, E. N., Tsuji, L. J., Martin, I. D., Ayotte, P., Robinson, E., Dewailly, E., and Nieboer, E. (2018). Source identification of human exposure to lead in nine Cree Nations from Quebec, Canada (Eeyou Istchee territory). Environmental Research 161, 409–417.
Source identification of human exposure to lead in nine Cree Nations from Quebec, Canada (Eeyou Istchee territory).Crossref | GoogleScholarGoogle Scholar |

Lindboe, M., Henrichsen, E., Høgåsen, H., and Bernhoft, A. (2012). Lead concentration in meat from lead-killed moose and predicted human exposure using Monte Carlo simulation. Food Additives & Contaminants: Part A 29, 1052–1057.
Lead concentration in meat from lead-killed moose and predicted human exposure using Monte Carlo simulation.Crossref | GoogleScholarGoogle Scholar |

Macro Group Australia (2017). ‘Products.’ (Macro Group Australia: Adelaide, SA.) Available at http://macrogroupaustralia.com.au/products/retail/ [Verified 3 December 2017].

Mahogany Creek Distributors (2017). ‘Game Meats.’ (Mahogany Creek Distributors: Perth, WA.) Available at https://www.mcd.com.au/product-categories/game-meats/ [Verified 3 December 2017].

Martin, A., Gremse, C., Selhorst, T., Bandick, N., Müller-Graf, C., Greiner, M., and Lahrssen-Wiederholt, M. (2017). Hunting of roe deer and wild boar in Germany: is non-lead ammunition suitable for hunting? PLoS One 12, e0185029.
Hunting of roe deer and wild boar in Germany: is non-lead ammunition suitable for hunting?Crossref | GoogleScholarGoogle Scholar |

McCann, B. E., Whitworth, W., and Newman, R. A. (2016). Efficacy of non-lead ammunition for culling elk at Theodore Roosevelt National Park. Human–Wildlife Interactions 10, 268–282.

McNabb, D. (2017). ‘All Hail the Quail.’ (Field and Game Australia: Seymour, Vic.) Available at https://www.fieldandgame.com.au/2017/05/10/1808/all-hail-the-quail [Verified 13 March 2018].

McTee, M., Young, M., Umansky, A., and Ramsey, P. (2017). Better bullets to shoot small mammals without poisoning scavengers. Wildlife Society Bulletin 41, 736–742.
Better bullets to shoot small mammals without poisoning scavengers.Crossref | GoogleScholarGoogle Scholar |

Meltzer, H. M., Dahl, H., Brantsæter, A. L., Birgisdottir, B. E., Knutsen, H. K., Bernhoft, A., Oftedal, B., Lande, U. S., Alexander, J., Haugen, M., and Ydersbond, T. A. (2013). Consumption of lead-shot cervid meat and blood lead concentrations in a group of adult Norwegians. Environmental Research 127, 29–39.
Consumption of lead-shot cervid meat and blood lead concentrations in a group of adult Norwegians.Crossref | GoogleScholarGoogle Scholar |

Menkhorst, P., Rogers, D., Clarke, R., Davies, J., Marsack, P., and Franklin, K. (2017). ‘The Australian Bird Guide.’ (CSIRO Publishing: Melbourne, Vic.)

Mielke, H. W., and Reagan, P. L. (1998). Soil is an important pathway of human lead exposure. Environmental Health Perspectives 106, 217–229.
Soil is an important pathway of human lead exposure.Crossref | GoogleScholarGoogle Scholar |

Morales, J. S., Rojas, R. M., Perez-Rodriguez, F., Casas, A. A., and López, M. A. (2011). Risk assessment of the lead intake by consumption of red deer and wild boar meat in Southern Spain. Food Additives & Contaminants: Part A 28, 1021–1033.

Morgan, D., and Pegler, P. (2010). Managing a kangaroo population by culling to simulate predation: the Wyperfeld trial. In ‘Macropods: the Biology of Kangaroos, Wallabies, and Rat-kangaroos’. (Eds G. Coulson and M. D. B. Eldridge.) pp. 349–360. (CSIRO Publishing: Melbourne, Vic.)

Moriarty, A. (2004). The liberation, distribution, abundance and management of wild deer in Australia. Wildlife Research 31, 291–299.
The liberation, distribution, abundance and management of wild deer in Australia.Crossref | GoogleScholarGoogle Scholar |

Nadjafzadeh, M., Hofer, H., and Krone, O. (2015). Lead exposure and food processing in white-tailed eagles and other scavengers: an experimental approach to simulate lead uptake at shot mammalian carcasses. European Journal of Wildlife Research 61, 763–774.
Lead exposure and food processing in white-tailed eagles and other scavengers: an experimental approach to simulate lead uptake at shot mammalian carcasses.Crossref | GoogleScholarGoogle Scholar |

Needleman, H. (2004). Lead poisoning. Annual Review of Medicine 55, 209–222.
Lead poisoning.Crossref | GoogleScholarGoogle Scholar |

New South Wales Department of Health (2016). ‘Elevated Blood Lead Levels: Response Protocol for NSW Public Health Units.’ (New South Wales Department of Health: Sydney, NSW.) Available at http://www.health.nsw.gov.au/Infectious/controlguideline/Pages/lead.aspx [Verified 20 November 2017].

NHMRC (2015). ‘NHMRC Statement and Information Paper: Evidence on the Effects of Lead on Human Health.’ (National Health and Medical Research Council: Canberra, ACT.) Available at http://www.nhmrc.gov.au/guidelines-publications/eh58 [Verified 26 November 2017].

Nobel, E. (2017). ‘Fox Bounty Numbers in Victoria Declining over Time.’ (Australian Broadcasting Commission: Sydney, NSW.) Available at http://www.abc.net.au/news/rural/2017-08-03/fox-bounty-numbers-on-the-decline-in-victoria/8766126 [Verified 19 March 2018].

O’Brien, R. C., Forbes, S. L., Meyer, J., and Dadour, I. R. (2007). A preliminary investigation into the scavenging activity on pig carcasses in Western Australia. Forensic Science, Medicine, and Pathology 3, 194–199.
A preliminary investigation into the scavenging activity on pig carcasses in Western Australia.Crossref | GoogleScholarGoogle Scholar |

O’Bryan, C. J., Braczkowski, A. R., Beyer, H. L., Carter, N. H., Watson, J. E., and McDonald-Madden, E. (2018). The contribution of predators and scavengers to human well-being. Nature Ecology & Evolution 2, 229–236.
The contribution of predators and scavengers to human well-being.Crossref | GoogleScholarGoogle Scholar |

Olsen, J., Debus, S. J. S., Rose, A. B., and Judge, D. (2013). Diets of white-bellied sea-eagles Haliaeetus leucogaster and whistling kites Haliastur sphenurus breeding near Canberra, 2003–2008. Corella 37, 13–18.

Oltrogge, V. (2009). Success in developing lead-free, expanding-nose centerfire bullets. In ‘Ingestion of Lead from Spent Ammunition: Implications for Wildlife and Humans’. (Eds R. T. Watson, M. Fuller, M. Pokras, W. G. Hunt.) pp. 310–315. (The Peregrine Fund: Boise, ID.)

Pain, D. J., Fisher, I., and Thomas, V. G. (2009). A global update of lead poisoning in terrestrial birds from ammunition sources. In ‘Ingestion of Lead from Spent Ammunition: Implications for Wildlife and Humans’. (Eds R. T. Watson, M. Fuller, M. Pokras, W. G. Hunt.) pp. 99–118. (The Peregrine Fund: Boise, ID.)

Parkes, J. P., Macdonald, N., and Leaman, G. (2002). ‘An Attempt to Eradicate Feral Goats from Lord Howe Island.’ Occasional paper of the IUCN Species Survival Commission No. 27. (Eds C. R. Veitch and M. N. Clout.) pp. 233–239. (IUCN SSC Invasive Species Specialist Group: Gland, Switzerland.)

Pascoe, J. H., Mulley, R. C., Spencer, R., and Chapple, R. (2011). Diet analysis of mammals, raptors and reptiles in a complex predator assemblage in the Blue Mountains, eastern Australia. Australian Journal of Zoology 59, 295–301.
Diet analysis of mammals, raptors and reptiles in a complex predator assemblage in the Blue Mountains, eastern Australia.Crossref | GoogleScholarGoogle Scholar |

Pattee, O. H., Wiemeyer, S. N., Mulhern, B. M., Sileo, L., and Carpenter, J. W. (1981). Experimental lead-shot poisoning in bald eagles. The Journal of Wildlife Management 45, 806–810.
Experimental lead-shot poisoning in bald eagles.Crossref | GoogleScholarGoogle Scholar |

Pauli, J. N., and Buskirk, S. W. (2007). Recreational shooting of prairie dogs: a portal for lead entering wildlife food chains. The Journal of Wildlife Management 71, 103–108.
Recreational shooting of prairie dogs: a portal for lead entering wildlife food chains.Crossref | GoogleScholarGoogle Scholar |

Peeples, L. (2017). ‘Bullet Proof.’ (Undark: Cambridge, MA.) Available at https://undark.org/article/lead-ammunition-bullets-hunting-copper/ [Verified 12 November 2017].

Pemberton D. Gales S. Bauer B. Gales R. Lazenby B. Medlock K. 2008 The diet of the Tasmanian devil, Sarcophilus harrisii, as determined from analysis of scat and stomach contents. Papers and Proceedings of the Royal Society of Tasmania 142 13 22

Pierce, B. L., Roster, T. A., Frisbie, M. C., Mason, C. D., and Roberson, J. A. (2015). A comparison of lead and steel shot loads for harvesting mourning doves. Wildlife Society Bulletin 39, 103–115.
A comparison of lead and steel shot loads for harvesting mourning doves.Crossref | GoogleScholarGoogle Scholar |

Pokras, M. A., and Kneeland, M. R. (2008). Lead poisoning: using transdisciplinary approaches to solve an ancient problem. EcoHealth 5, 379–385.
Lead poisoning: using transdisciplinary approaches to solve an ancient problem.Crossref | GoogleScholarGoogle Scholar |

Poropat, A. E., Laidlaw, M. A., Lanphear, B., Ball, A., and Mielke, H. W. (2018). Blood lead and preeclampsia: a meta-analysis and review of implications. Environmental Research 160, 12–19.
Blood lead and preeclampsia: a meta-analysis and review of implications.Crossref | GoogleScholarGoogle Scholar |

Rabinowitz, M. B., Wetherill, G. W., and Kopple, J. D. (1976). Kinetic analysis of lead metabolism in healthy humans. The Journal of Clinical Investigation 58, 260–270.
Kinetic analysis of lead metabolism in healthy humans.Crossref | GoogleScholarGoogle Scholar |

Read, J., and Wilson, D. (2004). Scavengers and detritivores of kangaroo harvest offcuts in arid Australia. Wildlife Research 31, 51–56.
Scavengers and detritivores of kangaroo harvest offcuts in arid Australia.Crossref | GoogleScholarGoogle Scholar |

Rideout, B. A., Stalis, I., Papendick, R., Pessier, A., Puschner, B., Finkelstein, M. E., Smith, D. R., Johnson, M., Mace, M., and Stroud, R. (2012). Patterns of mortality in free-ranging California condors (Gymnogyps californianus). Journal of Wildlife Diseases 48, 95–112.
Patterns of mortality in free-ranging California condors (Gymnogyps californianus).Crossref | GoogleScholarGoogle Scholar |

Rogers, T. A., Bedrosian, B., Graham, J., and Foresman, K. R. (2012). Lead exposure in large carnivores in the greater Yellowstone ecosystem. The Journal of Wildlife Management 76, 575–582.
Lead exposure in large carnivores in the greater Yellowstone ecosystem.Crossref | GoogleScholarGoogle Scholar |

Rossi, E., McLaughlin, V., Joseph, J., Bulsara, M., Coleman, K., Douglas, C., and Robertson, A. (2012). Community blood lead survey with emphasis on preschool children following lead dust pollution in Esperance, Western Australia. Australian and New Zealand Journal of Public Health 36, 171–175.
Community blood lead survey with emphasis on preschool children following lead dust pollution in Esperance, Western Australia.Crossref | GoogleScholarGoogle Scholar |

Schlichting, D., Sommerfeld, C., Müller-Graf, C., Selhorst, T., Greiner, M., Gerofke, A., Ulbig, E., Gremse, C., Spolders, M., Schafft, H., and Lahrssen-Wiederholt, M. (2017). Copper and zinc content in wild game shot with lead or non-lead ammunition–implications for consumer health protection. PLoS One 12, e0184946.
Copper and zinc content in wild game shot with lead or non-lead ammunition–implications for consumer health protection.Crossref | GoogleScholarGoogle Scholar |

Scroggie, M., Forsyth, D., and Brumley, A. (2012). ‘Analyses of Hog Deer (Axis porcinus) Checking Station Data: Demographics, Body Condition and Time of Harvest.’ (Department of Sustainability and Environment: Melbourne, Vic.)

Seppäläinen, A. M., Tola, S., Hernberg, S., and Kock, B. (1975). Subclinical neuropathy at ‘safe’ levels of lead exposure. Archives of Environmental Health: An International Journal 30, 180–183.
Subclinical neuropathy at ‘safe’ levels of lead exposure.Crossref | GoogleScholarGoogle Scholar |

Sharp, R., and Wollscheid, K. U. (2009). An overview of recreational hunting in North America, Europe and Australia. In ‘Recreational Hunting, Conservation and Rural Livelihoods’. (Eds Dickson, B., Hutton, J., and Adams, W. A.) pp. 25–38. (Wiley-Blackwell Publishing: London, UK).

Shukla, R., Bornschein, R. L., Dietrich, K. N., Buncher, C., Berger, O. G., Hammond, P. B., and Succop, P. A. (1989). Fetal and infant lead exposure: effects on growth in stature. Pediatrics 84, 604–612.

Silbergeld, E. K., Schwartz, J., and Mahaffey, K. (1988). Lead and osteoporosis: mobilization of lead from bone in postmenopausal women. Environmental Research 47, 79–94.
Lead and osteoporosis: mobilization of lead from bone in postmenopausal women.Crossref | GoogleScholarGoogle Scholar |

Sparkes, J., Ballard, G., and Fleming, P. J. (2016). Cooperative hunting between humans and domestic dogs in eastern and northern Australia. Wildlife Research 43, 20–26.
Cooperative hunting between humans and domestic dogs in eastern and northern Australia.Crossref | GoogleScholarGoogle Scholar |

Specht, A. J., Parish, C. N., Wallens, E. K., Watson, R. T., Nie, L. H., and Weisskopf, M. G. (2018). Feasibility of a portable X-ray fluorescence device for bone lead measurements of condor bones. The Science of the Total Environment 615, 398–403.
Feasibility of a portable X-ray fluorescence device for bone lead measurements of condor bones.Crossref | GoogleScholarGoogle Scholar |

Spitzer, R. J. (2015). ‘Politics of Gun Control.’ 6th edn. (Routledge: Abingdon, UK.)

Stern, B. R. (2010). Essentiality and toxicity in copper health risk assessment: overview, update and regulatory considerations. Journal of Toxicology and Environmental Health. Part A. 73, 114–127.
Essentiality and toxicity in copper health risk assessment: overview, update and regulatory considerations.Crossref | GoogleScholarGoogle Scholar |

Stewart, C. M., and Veverka, N. B. (2011). The extent of lead fragmentation observed in deer culled by sharpshooting. The Journal of Wildlife Management 75, 1462–1466.
The extent of lead fragmentation observed in deer culled by sharpshooting.Crossref | GoogleScholarGoogle Scholar |

Stokke, S., Brainerd, S., and Arnemo, J. M. (2017). Metal deposition of copper and lead bullets in moose harvested in Fennoscandia. Wildlife Society Bulletin 41, 98–106.
Metal deposition of copper and lead bullets in moose harvested in Fennoscandia.Crossref | GoogleScholarGoogle Scholar |

Thomas, V. G. (2013). Lead-free hunting rifle ammunition: product availability, price, effectiveness, and role in global wildlife conservation. Ambio 42, 737–745.
Lead-free hunting rifle ammunition: product availability, price, effectiveness, and role in global wildlife conservation.Crossref | GoogleScholarGoogle Scholar |

Thomas, V. M., Socolow, R. H., Fanelli, J. J., and Spiro, T. G. (1999). Effects of reducing lead in gasoline: an analysis of the international experience. Environmental Science & Technology 33, 3942–3948.
Effects of reducing lead in gasoline: an analysis of the international experience.Crossref | GoogleScholarGoogle Scholar |

Torres-Sánchez, L. E., Berkowitz, G., López-Carrillo, L., Torres-Arreola, L., Ríos, C., and López-Cervantes, M. A. (1999). Intrauterine lead exposure and preterm birth. Environmental Research 81, 297–301.
Intrauterine lead exposure and preterm birth.Crossref | GoogleScholarGoogle Scholar |

Tran, D. (2017). ‘Australian Shooters Warned about Lead Exposure from Bullets, urged to Switch to Copper.’ (Australian Broadcasting Commission: Sydney, NSW.) Available at http://www.abc.net.au/news/2017-04-06/lead-bullets-are-bad-for-your-health-shooters-warned/ 8421096 [Verified 2 December 2017].

Trinogga, A., Fritsch, G., Hofer, H., and Krone, O. (2013). Are lead-free hunting rifle bullets as effective at killing wildlife as conventional lead bullets? A comparison based on wound size and morphology. The Science of the Total Environment 443, 226–232.
Are lead-free hunting rifle bullets as effective at killing wildlife as conventional lead bullets? A comparison based on wound size and morphology.Crossref | GoogleScholarGoogle Scholar |

Tsuji, L. J., Wainman, B. C., Martin, I. D., Sutherland, C., Weber, J.-P., Dumas, P., and Nieboer, E. (2008a). The identification of lead ammunition as a source of lead exposure in First Nations: the use of lead isotope ratios. The Science of the Total Environment 393, 291–298.
The identification of lead ammunition as a source of lead exposure in First Nations: the use of lead isotope ratios.Crossref | GoogleScholarGoogle Scholar |

Tsuji, L. J., Wainman, B. C., Martin, I. D., Sutherland, C., Weber, J.-P., Dumas, P., and Nieboer, E. (2008b). Lead shot contribution to blood lead of First Nations people: the use of lead isotopes to identify the source of exposure. The Science of the Total Environment 405, 180–185.
Lead shot contribution to blood lead of First Nations people: the use of lead isotopes to identify the source of exposure.Crossref | GoogleScholarGoogle Scholar |

Tsuji, L. J. S., Wainman, B. C., Jayasinghe, R. K., VanSpronsen, E. P., and Liberda, E. N. (2009). Determining tissue-lead levels in large game mammals harvested with lead bullets: human health concerns. Bulletin of Environmental Contamination and Toxicology 82, 435–439.
Determining tissue-lead levels in large game mammals harvested with lead bullets: human health concerns.Crossref | GoogleScholarGoogle Scholar |

USDH–NTP (2012). ‘Health Effects of Low-level Lead Evaluation: ntp Monograph on Health Effects of Low-level Lead.’ (United States Department of Health, National Toxicology Program: Washington, DC.) Available at https://ntp.niehs.nih.gov/pubhealth/hat/noms/lead/index.html [Verified 12 November 2017].

Volcovici, V. (2017). ‘New Interior Head Lifts Lead Ammunition Ban in Nod to Hunters.’ (Reuters: London, UK.) Available at http://www.reuters.com/article/usa-interior-zinke-idUSL2N1GF26Y [Verified 12 November 2017].

Warner, S. E., Britton, E. E., Becker, D. N., and Coffey, M. J. (2014). Bald eagle lead exposure in the Upper Midwest. Journal of Fish and Wildlife Management 5, 208–216.
Bald eagle lead exposure in the Upper Midwest.Crossref | GoogleScholarGoogle Scholar |

Wayland, M., and Bollinger, T. (1999). Lead exposure and poisoning in bald eagles and golden eagles in the Canadian prairie provinces. Environmental Pollution 104, 341–350.

Wayland, M., Neugebauer, E., and Bollinger, (1999). Concentrations of lead in liver, kidney, and bone of bald and golden eagles. Archives of Environmental Contamination and Toxicology 37, 267–272.

Wennberg, M., Lundh, T., Sommar, J. N., and Bergdahl, I. (2017). Time trends of lead and cadmium in the adult population of northern Sweden. Environmental Research 159, 111–117.
Time trends of lead and cadmium in the adult population of northern Sweden.Crossref | GoogleScholarGoogle Scholar |

West, C. J., Wolfe, J. D., Wiegardt, A., and Williams-Claussen, T. (2017). Feasibility of California condor recovery in northern California, USA: contaminants in surrogate turkey vultures and common ravens. The Condor 119, 720–731.
Feasibility of California condor recovery in northern California, USA: contaminants in surrogate turkey vultures and common ravens.Crossref | GoogleScholarGoogle Scholar |

Whitehead, P. J., and Tschirner, K. (1991). Lead shot ingestion and lead poisoning of magpie geese Anseranas semipalmata foraging in a northern Australian hunting reserve. Biological Conservation 58, 99–118.
Lead shot ingestion and lead poisoning of magpie geese Anseranas semipalmata foraging in a northern Australian hunting reserve.Crossref | GoogleScholarGoogle Scholar |

WHO (2010). ‘Childhood Lead Poisoning.’ (World Health Organization: Geneva, Switzerland.) Available at www.who.int/ceh/publications/leadguidance.pdf [Verified 12 November 2017].

WHO (2017). ‘Lead Poisoning and Health: Fact Sheet.’ (World Health Organization: Geneva, Switzerland.) Available at http://www.who.int/mediacentre/factsheets/fs379/en/ [Verified 12 November 2017].

Wibberley, D., Khera, A., Edwards, J., and Rushton, D. (1977). Lead levels in human placentae from normal and malformed births. Journal of Medical Genetics 14, 339–345.
Lead levels in human placentae from normal and malformed births.Crossref | GoogleScholarGoogle Scholar |

Wiggins, N. L., Williamson, G. J., McCallum, H. I., McMahon, C. R., and Bowman, D. M. (2010). Shifts in macropod home ranges in response to wildlife management interventions. Wildlife Research 37, 379–391.
Shifts in macropod home ranges in response to wildlife management interventions.Crossref | GoogleScholarGoogle Scholar |

Wildlife Health Australia (2014). Lead poisoning in Australian birds. Wildlife Health Australia Fact Sheet March, 1–14.

Wilson, H. L. (2006). ‘Guns, Gun Control, and Elections: the Politics and Policy of Firearms.’ (Rowman and Littlefield Publishers: Lanham, MD.)

Wilson, G. R., Edwards, M. J., and Smits, J. K. (2010). Support for Indigenous wildlife management in Australia to enable sustainable use. Wildlife Research 37, 255–263.
Support for Indigenous wildlife management in Australia to enable sustainable use.Crossref | GoogleScholarGoogle Scholar |

Wynn, P., Beaton, A., and Spiegel, N. (2004). ‘Meat Quality of Kangaroos.’ (Rural Industries Research and Development Corporation: Canberra, ACT.) Available at http://www.rirdc.gov.au/reports/NAP/04-151.pdf [Verified 1 December 2017].

Zinsstag, J., Schelling, E., Waltner-Toews, D., and Tanner, M. (2011). From ‘one medicine’ to ‘one health’ and systemic approaches to health and well-being. Preventive Veterinary Medicine 101, 148–156.
From ‘one medicine’ to ‘one health’ and systemic approaches to health and well-being.Crossref | GoogleScholarGoogle Scholar |