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The largest crocodile in the world, the estuarine crocodile, or “saltie,” is 22 feet long and can weigh up to 2,200 pounds. Other crocodile species include the dwarf crocodile, which is less than six ...

A dark shape glides beneath the water in the muddy depths of Australia’s Adelaide River. A guide dangles fresh meat on a long pole over the water, and tourists on a small boat lean forward with ...