When cats are happy, they may squeeze their eyes shut.
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
Condoms were originally made of animal intestines or linen.
347
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
The elephant brain weighs about 6,000g.
274