When dragonflies mate, their tails form a love heart.
22
Dogs have been man's pet for over 14,000 years.
224
Early American humans hunted car-size armadillos and used their shells for houses.
12
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
One in three dog owners say they have talked to their pets on the phone.
427
The oldest recorded elephant lived for 82 years.
213