A cow produces around 200,000 glasses of milk in her lifetime.
373
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The cat brain weighs about 30g.
167
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9