For this New Zealand parrot, ‘laughter’ is contagious

1 pointsby upenabout 8 years ago

1 comment

DrScumpabout 8 years ago

Full paper, with video:<p><a href="http://www.cell.com/current-biology/fulltext/S0960-9822(17)30156-2" rel="nofollow">http://www.cell.com/current-biology/fulltext/S0960-9822(17)3...</a>