It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Tigers can see 6 times better at night than humans.
305
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Bats sleep 18-20 hours per day.
5
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6