Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Domestic pigs average a top speed of about 11 miles per hour.
182
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
There's a rare breed of pig that looks like a sheep.
14
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132