Monday, July 29, 2013

Cockatoos know what is going on behind barriers

[unable to retrieve full-text content]How do you know that the cookies are still there even though they have been placed in a cookie jar out-of-sight? Scientists show that "object permanence" abilities in a cockatoo rivals that of apes and four-year-old humans.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_environment/~3/TUMKTlB0kAw/130729111929.htm

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