It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A 42-foot sperm whale has about 7 tons of oil in it.
209
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Condoms were originally made of animal intestines or linen.
347
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2