Sloths take two weeks to digest their food.
243
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Condoms were originally made of animal intestines or linen.
347
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