Full story:
http://www.newscie
ntist.com/article/
dn26136
After a lone
Goffin cockatoo
figured out how to
make and use a
simple tool,
others have learne
(more)
Full story: http://www.newscientist.com/article/dn26136
After a lone Goffin cockatoo figured out how to make and use a simple tool, others have learned the same trick by watching him
