When dragonflies mate, their tails form a love heart.
22
The octopus does not have a blind spot.
273
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492