Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
There are approximately three chickens for every human on Earth.
13
The octopus does not have a blind spot.
273
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
Cats and dogs can hear ultrasound.
350
Penguins have a gland above their eye that turns saltwater into freshwater.
12