Cats recognise the voice of their owner, but never evolved to care.
22
The seahorse is the only fish to have a neck.
12
Sharks, like other fish, have their reproductive organs in their chests.
248
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492