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A game theoretical model of the evolution of food hoarding: Applications to the Paridae

Lookup NU author(s): Dr Tom Smulders

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Abstract

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.


Publication metadata

Author(s): Smulders TV

Publication type: Article

Publication status: Published

Journal: American Naturalist

Year: 1998

Volume: 151

Issue: 4

Pages: 356-366

ISSN (print): 0003-0147

ISSN (electronic): 1537-5323

Publisher: University of Chicago Press

URL: http://dx.doi.org/10.1086/286124

DOI: 10.1086/286124


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