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
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A domestic cat can sprint at about 31 miles per hour.
274
Lurch, a Watusi bull, had the largest horns in the world.
32
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The cat brain weighs about 30g.
167
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328