Sloths take two weeks to digest their food.
243
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A cow produces around 200,000 glasses of milk in her lifetime.
373
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9