“Intelligence Is Nothing That Evolved Only Once”

Giovanni Nanni, also Giovanni de' Ricamatori, better known as Giovanni da Udine (1487–1564)

STUDY OF A PARROT, Giovanni da Udine (1487–1564)
Red chalk and gouache, pen and brown ink, black chalk and watercolour

 

Birds are capable of abstract logical reasoning, a trait previously shown only by [that is to say, previously noticed only in] primates.

http://blogs.smithsonianmag.com/science/2012/08/african-grey-parrots-have-the-reasoning-skills-of-3-year-olds/

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