The Basenji dog is the only dog that is not able to bark.
4
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
There's a rare breed of pig that looks like a sheep.
14
Dogs have been man's pet for over 14,000 years.
224
Early American humans hunted car-size armadillos and used their shells for houses.
12