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
A 42-foot sperm whale has about 7 tons of oil in it.
209
The reindeer is the only mammal that can see UV light.
17
The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon.
65
If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
108
To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs. It will let you go instantly.
155
The praying mantis is the only insect that can turn its head!
95
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14