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. 2011 Dec 23;334(6063):1664.
doi: 10.1126/science.1213357.

Pigeons on par with primates in numerical competence

Damian Scarf  1 , Harlene Hayne, Michael Colombo
Affiliations

Pigeons on par with primates in numerical competence

Damian Scarf et al. Science. .

Abstract

Although many animals are able to discriminate stimuli differing in numerosity, only primates are thought to share our ability to employ abstract numerical rules. Here, we show that this ability is present in pigeons and that their performance is indistinguishable from that displayed by monkeys.

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