Preliminary observations of tool use in captive hyacinth macaws (Anodorhynchus hyacinthinus)

Animal Cognition
Andressa Borsari, Eduardo B Ottoni

Abstract

Many animals use tools (detached objects applied to another object to produce an alteration in shape, position, or structure) in foraging, for instance, to access encapsulated food. Descriptions of tool use by hyacinth macaws (Anodorhynchus hyacinthinus) are scarce and brief. In order to describe one case of such behavior, six captive birds were observed while feeding. Differences in nut manipulation and opening proficiency between adults and juveniles were recorded. The tools may be serving as a wedge, preventing the nut from slipping and/or rotating, reducing the impact of opening, or providing mechanical aid in its positioning and/or use of force. Data suggest that birds of this species have an innate tendency to use objects (tools) as aids during nut manipulation and opening.

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Citations

Jan 23, 2016·Evolutionary Anthropology·Raymond CorbeyMark Collard
Nov 10, 2012·Current Biology : CB·Alice M I AuerspergAlex Kacelnik
Sep 4, 2008·Animal Cognition·Cynthia Schuck-PaimEduardo B Ottoni
Mar 7, 2008·Brain, Behavior and Evolution·Cynthia Schuck-PaimEduardo B Ottoni
Sep 21, 2018·Genetics and Molecular Biology·Nicholas Costa Barroso LimaFrancisco Prosdocimi
Jul 4, 2018·Scientific Reports·Cristián Gutiérrez-IbáñezDouglas R Wylie
Sep 19, 2018·Scientific Reports·Matthew GoodmanGavin R Hunt
Dec 9, 2020·Learning & Behavior·Laurie O'NeillAuguste M P von Bayern
Sep 12, 2021·Scientific Reports·Amalia P M BastosAlex H Taylor

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