Sloths take two weeks to digest their food.
243
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Condoms were originally made of animal intestines or linen.
347
When dragonflies mate, their tails form a love heart.
22
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Lobsters have blue blood.
476