The elephant brain weighs about 6,000g.
274
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A giraffe's kick is so powerful that it can decapitate a lion.
216
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6