Forum > Birds In The News > Birds 'Weigh' Peanuts And Choose Heavier Ones

Webmaster Posted 22-May-2015 17:47
Joined:

Posts:
06-Mar-2014

1178
From Science Daily on 22-May-2015 17:47

Mexican Jays (Aphelocoma wollweberi) distinguish between heavier and lighter peanuts without opening the nuts. The birds do it by shaking the nuts in their beaks, which allows them to 'feel' nut heaviness and to listen to sounds produced by peanuts during handling.


View Full Article

 
HawkOwl Web Design