The effects of exposure to predators on personality and plasticity

Ethology - Tập 127 Số 2 - Trang 158-165 - 2021
Amy Bucklaew1,2, Ned A. Dochtermann3
1Canisius College, Buffalo, NY, USA
2Department of Neuroscience, University of Rochester, Rochester, NY, USA
3Department of Biological Sciences, North Dakota State University, Fargo, ND, USA

Tóm tắt

AbstractPast experiences are known to affect average behavior but effects on animal personality and plasticity are less well studied. To determine whether experience with predators influences these aspects, we compared the behavior of Gryllodes sigillatus before and after exposure to live predators. We found that emergence from shelter and distance moved during open‐field trials (activity) changed after exposure, with individuals becoming less likely to emerge from shelters but more active when deprived of shelter. We also found that behavioral plasticity in activity increased after exposure to predators. Our results demonstrate that experience with predators affects not only the average behavior of individuals but also how individuals differ from their own prior behavior.

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