Food-Caching Western Scrub-Jays Keep Track of Who Was Watching When

Author:

Dally Joanna M.12,Emery Nathan J.12,Clayton Nicola S.12

Affiliation:

1. Sub-department of Animal Behavior, University of Cambridge, Cambridge, CB3 8AA, UK.

2. Department of Experimental Psychology, University of Cambridge, Cambridge, CB2 3EB, UK.

Abstract

Western scrub-jays ( Aphelocoma californica ) hide food caches for future consumption, steal others' caches, and engage in tactics to minimize the chance that their own caches will be stolen. We show that scrub-jays remember which individual watched them during particular caching events and alter their recaching behavior accordingly. We found no evidence to suggest that a storer's use of cache protection tactics is cued by the observer's behavior.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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