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RESEARCH ARTICLE (Open Access)
Contents Vol 51(1)

The Sentinel Bait Station: an automated, intelligent design pest animal baiting system

G. Charlton https://orcid.org/0000-0002-1482-9720 A * , G. Falzon A B , A. Shepley https://orcid.org/0000-0001-7511-4967 A , P. J. S. Fleming https://orcid.org/0000-0002-3490-6148 C D , G. Ballard https://orcid.org/0000-0002-0287-9720 D E and P. D. Meek https://orcid.org/0000-0002-3792-5723 D F
+ Author Affiliations
- Author Affiliations

A School of Science and Technology, University of New England, Armidale, NSW 2351, Australia.

B College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia.

C Vertebrate Pest Research Unit, NSW Department of Primary Industries, Orange Agricultural Institute, 1447 Forest Road, Orange, NSW 2800, Australia.

D School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.

E Vertebrate Pest Research Unit, NSW Department of Primary Industries, Building C02, University of New England, Armidale, NSW 2351, Australia.

F Vertebrate Pest Research Unit, NSW Department of Primary Industries, Coffs Harbour, NSW 2450, Australia.

* Correspondence to: glen.charlton@une.edu.au

Handling Editor: Penny Fisher

Wildlife Research 51, WR22183 https://doi.org/10.1071/WR22183
Submitted: 10 November 2022  Accepted: 24 March 2023  Published: 17 April 2023

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND)

Abstract

Context

Ground baiting is a strategic method for reducing vertebrate pest populations. Best practice involves maximising bait availability to the target species, although sustaining this availability is resource intensive because baits need to be replaced each time they are taken. This study focused on improving pest population management through the novel baiting technique outlined in this manuscript, although there is potential use across other species and applications (e.g. disease management).

Aims

To develop and test an automated, intelligent, and semi-permanent, multi-bait dispenser that detects target species before distributing baits and provides another bait when a target species revisits the site.

Methods

We designed and field tested the Sentinel Bait Station, which comprises a camera trap with in-built species-recognition capacity, wireless communication and a dispenser with the capacity for five baits. A proof-of-concept prototype was developed and validated via laboratory simulation with images collected by the camera. The prototype was then evaluated in the field under real-world conditions with wild-living canids, using non-toxic baits.

Key results

Field testing achieved 19 automatically offered baits with seven bait removals by canids. The underlying image recognition algorithm yielded an accuracy of 90%, precision of 83%, sensitivity of 68% and a specificity of 96% throughout field testing. The response time of the system, from the point of motion detection (within 6–10 m and the field-of-view of the camera) to a bait being offered to a target species, was 9.81 ± 2.63 s.

Conclusion

The Sentinel Bait Station was able to distinguish target species from non-target species. Consequently, baits were successfully deployed to target species and withheld from non-target species. Therefore, this proof-of-concept device is able to successfully provide baits to successive targets from secure on-board storage, thereby overcoming the need for daily bait replacement.

Implications

The proof-of-concept Sentinel Bait Station design, together with the findings and observations from field trials, confirmed the system can deliver multiple baits and increase the specificity in which baits are presented to the target species using artificial intelligence. With further refinement and operational field trials, this device will provide another tool for practitioners to utilise in pest management programs.

Keywords: artificial intelligence, baiting, invasive species, machine vision, pest control, pest management, recognition, 1080.

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