There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10