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Domestic cats have adapted some pretty cool traits from their wild cat cousins.

The green tree viper has developed an elaborate system for killing and eating its prey.

Plagues of giant jellyfish are floating towards Japan.

Casey is at a sanctuary working with a wolf dog, but the wolf seems to come out more than the dog!

Casey’s quest for vampire bats takes him into a dark, uncharted pit of earth known as “The Torture Chamber.”

Casey is trying to measure the ramming power of a big horn sheep!

Casey and the local critter catcher go to trap a crocodile in a local swimming pool.

University of Montana’s Grizzly Stadium is hosting Brutus the bear to see how bears travel at night.

During meal time, the Tasmanian devil falls asleep inside a dead rotting carcass and wakes up again to continue eating.

Something big is on the end of the line, and Zeb hopes it’s the bull shark he’s been looking for.

Zeb Hogan is out catching catfish with Rusty, a local fisherman.

Zeb and some Alaskan locals are taking shots of salmon flavored vodka!

Scientists and engineers have gathered to build the world's first supercat, combining the best of all wildcat species.

While creating our fictional super cat, scientists look at cats both big and small to find the best jumper.

Bobcats are rarely seen in the wild, due to their nocturnal habits and dwindling numbers.