Bats sleep 18-20 hours per day.
5
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
The reindeer is the only mammal that can see UV light.
17
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Moths are unable to fly during an earthquake.
328
One in three dog owners say they have talked to their pets on the phone.
427