The Basenji dog is the only dog that is not able to bark.
4
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Lurch, a Watusi bull, had the largest horns in the world.
32
A dork is a whale's penis.
327
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cows can sleep standing up, but they can only dream lying down.
745
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
The reindeer is the only mammal that can see UV light.
17