Risk of cache pilferage determines hoarding behavior of rodents and seed fate

Lin Cao, Bo Wang, Chuan Yan, Zhenyu Wang, Hongmao Zhang, Yuanzhao Geng, Jin Chen and Zhibin Zhang

Behavioral Ecology, 2018, vol. 29, issue 4, 984-991

Abstract: Rodents adjust predation and hoarding behavior according to the probability of their hoarding seeds being stolen by competitors. Rodents eat unsafe seeds (seeds more likely to be stolen) immediately and keep safe seeds (seeds less likely to be stolen) for a long time. Rodents spread their seeds in many small “storehouses†when the probability of hoarded seeds being stolen is high and hoard many seeds in one “storehouse†when the probability is low.

Keywords: cache pilferage risk; hoarding behavior evolution; larder-hoarding; scatter-hoarding; seed dispersal; survival time (search for similar items in EconPapers)
Date: 2018
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