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  • hellbender hero

    Biologists’ Clever Way to Detect Animals They Can’t Find

    A hellbender at the National Zoo in WashingtonBrian Gratwicke via Flickr Wildlife doesn’t get much weirder than the hellbender, a frilly, crayfish-gobbling salamander, about the length of a baby alligator, whose bizarre aliases include “snot otter,” “devil dog,” and “grampus.” The giant amphibian stalks rocky streambeds throughout the eastern United States—or at least it did, […]