A French theme park has taken a novel approach to clearing litter. Rooks are performing a task that human visitors should be able to do themselves: picking up litter. One of the birds captured on ...

WASHINGTON -- Yet another animal has picked up a tool and put it to use. Once thought a unique primate trait, toolmaking and tool use have been seen in a variety of animals in recent years. Now add to ...

LITTLE ROCK — Aesop was quite the fableteller, but was he a student of bird behavior as well? A study in Current Biology suggests he might have been. Christopher Bird (his real name) of the University ...