When cats are happy, they may squeeze their eyes shut.
10
A 42-foot sperm whale has about 7 tons of oil in it.
209
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Sloths take two weeks to digest their food.
243
Nicole Kidman is scared of butterflies.
65