Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A cat can jump FIVE TIMES as high as it is tall!
371
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23