Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cats recognise the voice of their owner, but never evolved to care.
22
The cat brain weighs about 30g.
167
Dogs sometimes fake being sick to get attention.
26
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Giant Anteaters' front legs look like a panda.
48
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250