Cats recognise the voice of their owner, but never evolved to care.
22
Bats sleep 18-20 hours per day.
5
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2