Bird brains can crack nut trading game with self-control: study<p><a href="http://news.yahoo.com/bird-brains-crack-nut-trading-game-self-control-104953295.html"><img src="http://l.yimg.com/bt/api/res/1.2/LV0KVwjaZ8m52LOf5ZiZbA--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9ODU7dz0xMzA-/http://media.zenfs.com/en_us/News/Reuters/2013-03-13T183711Z_1_CBRE92C1FQ400_RTROPTP_2_ENVIRONMENT-BIRDS.JPG" width="130" height="86" alt="A scientist Auersperg is pictured with cockatoos in this undated handout picture released by University of Vienna" align="left" title="A scientist Auersperg is pictured with cockatoos in this undated handout picture released by University of Vienna" border="0" /></a>OSLO (Reuters) - Cockatoos can delay eating nuts in order to win tastier ones, a surprise sign that birds can exercise self-control, a trait usually seen as the preserve of animals with larger brains, a study showed on Wednesday. Scientists gave Goffin cockatoos, a mainly white species from Indonesia, a nut while showing them a more attractive one just out of reach. If the birds did not nibble the first nut for up to 80 seconds, they learnt they would get the second instead. ...</p><br clear="all"/>
Source: Bird brains can crack nut trading game with self-control: study (http://news.yahoo.com/bird-brains-crack-nut-trading-game-self-control-104953295.html)