A dork is a whale's penis.
327
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The Basenji dog is the only dog that is not able to bark.
4
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 tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12