Speaking with an accent keeps crossbills straight
Monday, May 30, 2011 - 11:00
in Biology & Nature
(PhysOrg.com) -- A male bird uses his songs as pick-up lines. They're a way of saying, "Hey baby, come check me out."
(PhysOrg.com) -- A male bird uses his songs as pick-up lines. They're a way of saying, "Hey baby, come check me out."