"Challenger Deep" is the deepest point on Earth and can hold 25 Empire State Buildings end to end.

Frog-eating bats identify edible frogs from poisonous ones by listening to the mating calls of male frogs. Frogs counter this by hiding and using short, difficult to locate calls.

Some birds have been know to put ants into their feathers because the ants squirt formic acid, which kills parasites.

AMAZING FACTS