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
A 42-foot sperm whale has about 7 tons of oil in it.
209
The largest breed of rabbit is the Flemish Giant.
65
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Condoms were originally made of animal intestines or linen.
347