Bats sleep 18-20 hours per day.
5
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Mosquitoes don't just bite you, they also pee on you.
11
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
A dork is a whale's penis.
327
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6