It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Gorillas can catch human colds and other illnesses.
205
Dogs sometimes fake being sick to get attention.
26
A cat can jump FIVE TIMES as high as it is tall!
371
There's a rare breed of pig that looks like a sheep.
14
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cats recognise the voice of their owner, but never evolved to care.
22