Raccoons (Procyon lotor) are captured frequently for research purposes using wire cage and various restraining traps, and gender biases exist in the animals' response to traps. Previous studies have demonstrated the effectiveness and humaneness of the EGG™ (EGG Trap Company, Springfield, S.D.) trap compared to foothold traps, but researchers primarily use wire cage traps to capture raccoons. In this paper we compare performance of wire cage traps and EGG traps for capturing male and female raccoons and discuss cost-effectiveness of using both trap types during a 3-year field study in Mississippi. EGG traps were more likely to capture raccoons than cage traps; both genders also were more likely to be captured in EGG traps. EGG traps were particularly more effective at capturing male raccoons than cage traps. Events in which traps were sprung but no raccoons were captured were greater when using cage traps. Purchase costs were considerably lower for EGG traps. Our findings suggest that EGG traps perform better at capturing raccoons than wire cage traps. Given our findings, and earlier studies demonstrating reductions in injuries with EGG traps relative to foothold traps, we recommend that researchers consider using EGG traps to capture raccoons in field studies.
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1 June 2004
An evaluation of EGG™ and wire cage traps for capturing raccoons
James Austin,
Michael J. Chamberlain,
Bruce D. Leopold,
L. Wes Burger Jr.
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EGG™ trap
Mississippi
Procyon lotor
raccoon
trap performance
wire cage trap