Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Early American humans hunted car-size armadillos and used their shells for houses.
12
A puppy is born blind, deaf, and toothless.
16
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
The elephant brain weighs about 6,000g.
274