Abstract:
:Four Grey parrots (Psittacus erithacus) were tested on their ability to obtain an item suspended from a string such that mutiple, repeated, coordinated beak-foot actions were required for success (e.g., Heinrich 1995). Those birds with little training in referential English requests (e.g. "I want X") succeeded, whereas birds who could request the suspended item failed to obtain the object but engaged in repeated requesting.
journal_name
Anim Cognjournal_title
Animal cognitionauthors
Pepperberg IMdoi
10.1007/s10071-004-0218-ykeywords:
subject
Has Abstractpub_date
2004-10-01 00:00:00pages
263-6issue
4eissn
1435-9448issn
1435-9456journal_volume
7pub_type
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