When the lights change, the birds hop in front of the cars and place ... But what is unusual here is that the crows also make their own tools. Using their beaks as scissors and snippers, they ...
Rooks are large social birds, that almost look like crows. However, the more you look at a rook, the easier it is to see it’s ...
suggesting that the crows planned the number of caws they were going to make before they opened their beaks. The researchers could even tell how many calls the birds planned to make by the way the ...