The social transmission of a food-finding technique in pigeons: what is learned? |
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Authors: | Boris Palameta Louis Lefebvre |
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Affiliation: | Department of Biology, McGill University, 1205 avenue Docteur Penfield, Montréal, Québec H3A 1B1, Canada |
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Abstract: | Experimentally-naive pigeons (Columba livia) were exposed to varying amounts of socially transmitted information needed for solving a food-finding problem. Observer pigeons that saw a trained bird (model) piercing the paper covering a food box and eating were able to solve the problem faster and more efficiently than pigeons that only saw the model eating but not piercing. This result held whether observer performance was simultaneous or deferred with respect to the model's demonstration. Pigeons that saw the model piercing but not eating showed almost no tendency to copy. These results suggest that copying was dependent upon observer recognition of the fact that the model was getting a food reward, and that pigeons were capable of learning aspects of the piercing technique by observation rather than by trial and error. |
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