Early American humans hunted car-size armadillos and used their shells for houses.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
A dork is a whale's penis.
327
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Squirrels forget where they hide about half of their nuts.
698