During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Parrot parents "name" their children with a signature call.
112
When you shave a guinea pig it looks like a little hippo.
19
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The oldest recorded elephant lived for 82 years.
213