The reindeer is the only mammal that can see UV light.
17
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A group of unicorns is called a blessing.
304
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The cat brain weighs about 30g.
167