Lobsters have blue blood.
476
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
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
The elephant brain weighs about 6,000g.
274
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
When dragonflies mate, their tails form a love heart.
22
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34