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Timely poacher detection and localization using sentinel animal movement
Henrik J de Knegt1, Jasper A J Eikelboom2, Frank van Langevelde3,4
1Wildlife Ecology and Conservation Group, Wageningen University and Research, Droevendaalsesteeg 3a, 6708 PB, Wageningen, The Netherlands. henjo.deknegt@wur.nl.
Scientific Reports
|February 26, 2021
Summary
Wildlife crime is a major threat, necessitating novel anti-poaching strategies. A new system uses sentinel animals
Area of Science:
- Wildlife conservation technology
- Animal behavior and ecology
- Machine learning in environmental science
Background:
- Wildlife crime is a highly profitable illegal industry, driving endangered species declines.
- Existing anti-poaching measures are insufficient to curb illegal activities and protect wildlife.
- There is a critical need for innovative solutions to detect and deter poachers effectively.
Purpose of the Study:
- To propose and evaluate an early warning system for poacher detection.
- To utilize the natural threat-response movements of sentinel animals for detection.
- To assess the accuracy and localization capabilities of the proposed system.
Main Methods:
- Analysis of human-evasive movement patterns in 135 savanna herbivores across four species.
- Implementation of an internet-of-things (IoT) architecture with wearable sensors and wireless data transmission.
- Application of machine learning algorithms to identify characteristic behavioral signatures of human presence.
Main Results:
- Accurate detection of human intruders with 86.1% accuracy.
- Localization of intruders with less than 500m error in 54.2% of staged intrusions.
- Identified behavioral signatures include increased speed, energy expenditure, directional persistence, herd coherence, and suboptimal habitat selection.
Conclusions:
- Sentinel animal behavior, analyzed via wireless biologging and predictive analytics, offers a viable method for early poacher detection.
- The system effectively identifies deviations from normal behavior, indicating potential threats.
- This approach can enhance wildlife conservation, surveillance, and safety.

