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Lookup NU author(s): Dr Tom SmuldersORCiD
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A game against the field is proposed that models the evolution of food-hoarding behavior in a group-living species, like many members of the family Paridae (Aves, Passeriformes). The model predicts that no special retrieval mechanisms (e.g., memory) are necessary for food-hoarding individuals to invade a population of nonhoarders, as long as the winters are very severe. Once food hoarding is established in a population, having smaller groups and separating foraging niches between group members prevent cheaters from benefiting from other individuals' caches. A scenario is proposed for the evolution of hoarding in the Paridae.
Author(s): Smulders TV
Publication type: Article
Publication status: Published
Journal: American Naturalist
ISSN (print): 0003-0147
ISSN (electronic): 1537-5323
Publisher: University of Chicago Press
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