Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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