An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
One in three dog owners say they have talked to their pets on the phone.
427
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Jumping fleas can accelerate 50 times faster than the space shuttle.
218