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Australian Mammalogy

Australian Mammalogy

Volume 46 Number 3 2024


Photograph of three Pilbara diamond-faced bats (Rhinoicteris aurantia).

Understanding movement patterns of threatened bats is critical, though sometimes difficult, to conserving their habitats. This study was undertaken to understand movement patterns for the threatened Pilbara diamond-faced bat, resulting in the recordings of two large, 40-km, flights undertaken over single nights. This study will be used to conserve habitat for the species and demonstrates the capability of new and emerging tracking technology. Photograph by Christopher Knuckey.

The red-tailed phascogale is a threatened marsupial species native to Australia, and it has been reintroduced to Mt Gibson Wildlife Sanctuary in Western Australia. Traditional monitoring methods for the species did not work at Mt Gibson, so we relied on camera monitoring until we developed an arboreal trapping method. The monitoring methods have shown that the reintroduction has been successful, and the arboreal trapping methods may be useful at other red-tailed phascogale populations.

AM24006The mechanical properties of bettong and potoroo foods

D. Rex Mitchell 0000-0003-1495-4879, Justin A. Ledogar 0000-0002-3882-9354, Damien Andrew 0000-0001-8675-066X, Ian Mathewson, Vera Weisbecker 0000-0003-2370-4046 and Karl Vernes 0000-0003-1635-9950

Photo of a brush-tailed bettong (Bettongia penicillata)

IMAGE: Woylie in Zoo Praha: Petr Hamernik, Wikimedia commons. https://commons.wikimedia.org/wiki/File:Klokánek_králíkovitý_zoo_praha_1.jpg.

Bettongs and potoroos are important for maintaining biodiversity, but we do not know much about how difficult their foods are to eat in the wild. We measured the toughness and stiffness of their foods, including roots and tubers, fruit, fungi, invertebrates, seeds, and leaves, and compared these with farmed items from similar food groups. This information is important for understanding how these animals survive in the wild and for designing diets for them in captivity.

AM23051Persistence of social structuring in an arid zone mammal following reintroduction

Alexander James Cooke, Cheryl Lohr 0000-0002-8925-0983, W. Jason Kennington and Kym Ottewell

Boodies (burrowing bettongs, Bettongia lesueur) have a maternal social structure in their remnant natural population on Barrow Island. We have successfully recreated a similar social structure in Matuwa Kurrara Kurrara National Park, despite translocation and hybridisation. Given that many attempts to translocate boodies to the unfenced landscape have failed, possibly because the translocated animals showed no site fidelity or group cohesion, our research is the first to recommend that pre-existing social groups be translocated together, rather than random individuals.

AM24002Informing conservation management of the bilby (Macrotis lagotis) in the Pilbara: a review of research and future directions

Amy S. Northover 0000-0001-8796-1522, Martin A. Dziminski 0000-0003-3582-9903, Fiona M. Carpenter, Harry A. Moore, Kym Ottewell, Russell Palmer and Lesley A. Gibson

Photograph of greater bilby (Macrotis lagotis)

The greater bilby, an iconic and culturally important Australian marsupial, now inhabits less than 20% of its former range. The Pilbara bioregion, a vast multi-use landscape in the north-west of Western Australia (WA) is an important stronghold for the species. To improve knowledge of the status and ecology of bilbies in northern WA, a research program, informed by multiple stakeholders, was instigated. The ensuing program has greatly enhanced our ecological knowledge of the bilby in the Pilbara and elsewhere in WA. Photograph by © John Lawson.

AM23049Feral cat predation of the threatened Pilbara leaf-nosed bat – a key threatening process

Jessie Moyses 0000-0002-7013-9142, Craig Grabham, Kyle N. Armstrong, Chris G. Knuckey and Brighton D’Rozario

Camera trap image of a feral cat with prey at the entrance to a Pilbara Leaf‐nosed Bat roost.

Cat predation is recognised as a significant threat to Australian wildlife. We consolidated evidence of feral cat predation on a threatened bat species (Pilbara leaf-nosed bat (Rhinonicteris aurantia) in the Pilbara region of Western Australia, demonstrating repeated predation of R. aurantia by several individual cats at three significant bat roosts. We provide evidence supporting the recognition of feral cat predation as a key threat to this species and recommend the threat be managed proactively using multiple established and emerging methods. Camera trap image provided by Jessie Moyses.

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