Bird intelligence

#	Item
41	PDF Document Add to Reading List Source URL: synapse.princeton.edu Language: English - Date: 2005-01-02 12:03:53 Animal intelligence Animals Biological pest control Bird Dinosaurs Parrot Brain Woodpecker Falconidae Zoology Biology Ornithology
42	PDF Document Add to Reading List Source URL: randsco.com Language: English - Date: 2007-12-14 10:14:34 Biology Psittacini Animal communication Ethologists Irene Pepperberg Alex Bird intelligence Parrot True parrots Animal intelligence Zoology Talking birds
43	PDF Document Add to Reading List Source URL: biology.mcgill.ca Language: English - Date: 2003-05-08 15:48:35 Animal intelligence Parrot Foraging Tool Bird Passerine Chimpanzee Crow Corvidae Fauna of Asia Zoology Behavior