Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When dragonflies mate, their tails form a love heart.
22
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Sloths take two weeks to digest their food.
243
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The station master and operating officer at the Kishi Station, Japan, is a cat!
18