Bats are the only mammals that can fly.
Badgers will dig underground dens with as many as 50 exits, hosting multiple badger families.
To keep cool, flamingos pee on their own legs.
Anteaters have no teeth, but instead have a two foot long sticky tongue.
Bees never need to sleep.
When the female in a group of clownfish dies, the most dominant male turns into a female to replace her.
A cockroach can live for days with its head removed from its body.
A crocodile can go three years without food.
Hummingbirds can flap their wings as much as 200 times a second, burning so much energy they must eat eight time their body weight every day.
An octopus can use its tentacles to smell and taste.