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Author  |
Title | Year | Publication | Serial | Volume | Pages |
|---|---|---|---|---|---|---|
| Pepperberg, I.M. | Grey parrot numerical competence: a review | 2006 | Animal Cognition | 2448 | 9 | 377-391 |
| Pepperberg, I.M. | “Insightful” string-pulling in Grey parrots (Psittacus erithacus) is affected by vocal competence | 2004 | Animal Cognition | 2537 | 7 | 263-266 |
| Pepperberg, I.M. | The value of the Piagetian framework for comparative cognitive studies | 2002 | Animal Cognition | 2595 | 5 | 177-182 |
| Pepperberg, I.M. | In search of king Solomon's ring: cognitive and communicative studies of Grey parrots (Psittacus erithacus) | 2002 | Brain, behavior and evolution | 579 | 59 | 54-67 |
| Pepperberg, I.M. | Cognitive and Communicative Abilities of Grey Parrots | 2002 | Current Directions in Psychological Science | 580 | 11 | 83-87 |
| Pepperberg, I.M.; Brezinsky, M.V. | Acquisition of a relative class concept by an African gray parrot (Psittacus erithacus): discriminations based on relative size | 1991 | Journal of Comparative Psychology | 3610 | 105 | 286-294 |