It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13