Further evidence for addition and numerical competence by a Grey parrot (Psittacus erithacus)

✍ Scribed by Irene M. Pepperberg

• Book ID: 113056478
• Publisher: Springer-Verlag
• Year: 2012
• Tongue: English
• Weight: 207 KB
• Volume: 15
• Category: Article
• ISSN: 1435-9448
• DOI: 10.1007/s10071-012-0470-5