Journal
BEHAVIOURAL PROCESSES
Volume 79, Issue 3, Pages 148-155Publisher
ELSEVIER
DOI: 10.1016/j.beproc.2008.07.002
Keywords
Affiliation; Cognition; Corvus monedula; Jackdaw; Social learning
Categories
Funding
- FWF [R31-B03, P16939-B03]
- Austrian Science Fund (FWF) [Y 366] Funding Source: researchfish
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It has been suggested that affiliated social relations may facilitate information transfer between individuals. We here tested this rarely examined hypothesis with juvenile and adultjackdaws (Corvus monedula) in three stimulus enhancement tasks, both in a non-food context (experiment 1) and in a food context (experiments 2 and 3). We first show that siblings and pair partners maintain stronger bonded social relations than do non-siblings and non-pair partners. We therefore tested individuals in sibling and non-sibling dyads and, later in ontogeny, in pair and non-pair dyads. Jackdaws either did not learn from any other conspecific (experiment 1), or they learned from non-affiliated individuals (non-siblings, non-pair partners in experiments 2 and 3). This may be related to two main characteristics of jackdaws' affiliated relationships. First. affiliates share food at a high rate and may rely on their knowledgeable partners to secure food rather than learning from them. Second, affiliates spend most time in close spatial proximity to each other which increases the probability that they simultaneously experience occurrences in their environment. Hence, spatially more distant individuals, which are more likely to be non-affiliated, face different foraging situations and may therefore provide more relevant information which may lead to selective social learning. (C) 2008 Elsevier B.V. All rights reserved.
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