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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The largest breed of rabbit is the Flemish Giant.
65
Sheep, goats, octopuses, and toads have rectangular pupils.
7