Just before sunset, Cuban boas line up and dangle from the ceiling of a cave like a curtain, waiting for bats to pass through.

REPTILES
If a limbless reptile like the one above crosses your path, it’s obviously a snake, right? Maybe not.
New evidence suggests that prehistoric turtle shells served a different purpose than we originally believed.
Flamboyant and reclusive in equal measure, this iconic lizard can bluff like a poker champion.
Discover the weirdest spots where live alligators have turned up, from a New York park to a Chicago basement, and more.
A woman using an outhouse in Alaska got more than she bargained for when a black bear bit her backside.
Green anacondas can weigh more than 200 pounds, making them the world's heaviest snakes. Get wrapped up in more facts about these big beasts.
Alligators are pretty cool as they are, but new discoveries about the reptilian ambush predators are adding to their repertoire.