A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
In Australia, there are spiders big enough to eat snakes.
20
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
A giraffe's kick is so powerful that it can decapitate a lion.
216