Only 3% of bird species have penises.
0
Sheep, goats, octopuses, and toads have rectangular pupils.
7
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
A 42-foot sperm whale has about 7 tons of oil in it.
209
Dolphins have names for one another.
18
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2