More evidence that Cockatoos have significant cognitive skills

see “Cockatoos Know What’s Going On Behind Barriers” http://www.sciencedaily.com/releases/2013/07/130729111929.htm =============================== To unsubscribe from this mailing list, send the message: unsubscribe (in the body of the message, with no Subject line) to: birding-aus-request@vicnet.net.au http://birding-aus.org ===============================