Why tool-using crow is no bird brain
The secret behind the New Caledonian crow?s party trick ? using tools ? has been unveiled, biologists say.
Source: http://www.cosmosmagazine.com/news/6051/why-tool-using-crow-no-bird-brain
Emma Heming Emma Stone Emma Watson Emmanuelle Chriqui Emmanuelle Vaugier Emmy Rossum Erica Leerhsen Erika Christensen