Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A cow produces around 200,000 glasses of milk in her lifetime.
373
Only 3% of bird species have penises.
0