Female kangaroos have three vaginas.
2
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Alligators can live up to 100 years.
337
The cat brain weighs about 30g.
167