A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
When cats are happy, they may squeeze their eyes shut.
10
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Tigers can see 6 times better at night than humans.
305
When dragonflies mate, their tails form a love heart.
22
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492