The reindeer is the only mammal that can see UV light.
17
A group of kittens is called a "kindle".
10
The Basenji dog is the only dog that is not able to bark.
4
Bats sleep 18-20 hours per day.
5
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59