Article (Scientific journals)
Context-related vocalizations in African grey parrots (Psittacus erithacus)
Giret, Nicolas; Albert, Aurélie; Nagle, Laurent et al.
2012In Acta Ethologica, 15, p. 39-46
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Keywords :
African grey parrot; Psittacus erithacus; Vocalizations; Vocal learning; Imitation
Abstract :
[en] A few animal species are capable of vocal learning. Parrots are well known for their vocal imitation abilities. In this study, we investigated whether African grey parrots (Psittacus erithacus) emit specific vocalizations in specific contexts. We first described the vocal repertoire and its ontogenesis of four captive grey parrots. After a comparison with vocalizations emitted by wild and other captive African grey parrots, we observed that only three call categories were shared by all grey parrots populations, suggesting that isolated populations of parrots develop population-specific calls. Then, we artificially provoked ten different contexts and recorded vocalizations of four captive grey parrots in these situations. Parrots predominantly emitted call categories in some contexts: distress, protestation, alarm, asking (i.e. emitted when a bird wanted something from an experimenter and contact calls. These results suggest that some calls are learned and can be used in specific contexts.
Disciplines :
Animal psychology, ethology & psychobiology
Zoology
Author, co-author :
Giret, Nicolas;  Université Paris Ouest Nanterre La Défense > Laboratoire d’Ethologie et Cognition Comparées
Albert, Aurélie ;  Université de Liège - ULiège > Doct. sc. (biol. orga. & écol. - Bologne)
Nagle, Laurent;  Université Paris Ouest Nanterre La Défense > Laboratoire d’Ethologie et Cognition Comparées
Kreutzer, Michel;  Université Paris Ouest Nanterre La Défense > Laboratoire d’Ethologie et Cognition Comparées
Bovet, Dalila;  Université Paris Ouest Nanterre La Défense > Laboratoire d’Ethologie et Cognition Comparées
Language :
English
Title :
Context-related vocalizations in African grey parrots (Psittacus erithacus)
Publication date :
2012
Journal title :
Acta Ethologica
ISSN :
0873-9749
eISSN :
1437-9546
Publisher :
Springer Science & Business Media B.V.
Volume :
15
Pages :
39-46
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 November 2011

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