Functional Vocalizations by an African Grey Parrot (Psittacus erithacus)
- 12 January 1981
- journal article
- Published by Wiley in Zeitschrift Fur Tierpsychologie
- Vol. 55 (2) , 139-160
- https://doi.org/10.1111/j.1439-0310.1981.tb01265.x
Abstract
An African grey parrot, after 26 months of speech training, has acquired a verbal vocabulary consisting of three color adjectives, two phrases for describing shape, 9 nouns, and functional use of the word “no”. The parrot is capable of correctly combining these vocalizations so as to identify proficiently, request, and/or refuse more than 30 objects by means of verbal labels.Keywords
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