From lush wetlands to vast cave networks, the island of Cuba hosts ecosystems that are teeming with life.
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From toxic toads to brilliant butterflies, Cuba hosts a diverse array of animals, many of which are unique to its island ecosystems.
About 66 million years ago, an ancient sea monster the height of a five-story office building once gnashed its sharp teeth as it swam around the dark waters of Antarctica, a new study finds.
About 290 million years ago, a four-legged reptile with three toes on each of its back feet strolled across the mucky land, the waves of a tidal flat likely lapping near its feet, a new study finds.
A critter heralded as the first four-legged fossil snake on record may actually not be a snake, new research finds.
More than 1,300 kids are bitten by snakes each year in the U.S. — and an increasing number of these bites come from the venomous copperhead snake (Agkistrodon contortrix), a new study finds.
A massive forelimb claw isn't even the weirdest body part of a chameleon-like reptile that lived 200 million years ago.
There are more than 4,600 species of lizard, ranging in size from the giant Komodo dragon to the tiny dwarf gecko.
The newfound pitviper lives in a Costa Rican cloud forest and kills prey with a neurotoxin also used by rattlesnakes.
If predators come calling, a red-eyed tree frog embryo can drop out of its egg to safety in a matter of seconds.
Most snakes have an excellent sense of smell, in part to make up for their poor eyesight and limited hearing.
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