Friends of Washoe

Google friends of Washoe. This site provides interesting background information on Washoe, the first chimpanzee to acquire (aspects of) human sign language.

The Alex Foundation 

Dedicated to the most famous talking parrot in the world. Even though he died in September 2007, his legacy lives on in an organization dedicated to the advancement of study on the cognitive and linguistic abilities of parrots.

A conversation with Koko the Gorilla – PBS Nature (1999) 

Washoe, Koko, and the social exchange of language

Kanzi with lexigram

Kanzi understands spoken language 

Koshik the talking elephant