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
The reindeer is the only mammal that can see UV light.
17
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
In Australia, there are spiders big enough to eat snakes.
20
A giraffe's kick is so powerful that it can decapitate a lion.
216
Dolphins have names for one another.
18