A puppy is born blind, deaf, and toothless.
16
When dragonflies mate, their tails form a love heart.
22
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
The Basenji dog is the only dog that is not able to bark.
4
Condoms were originally made of animal intestines or linen.
347
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2