Browsing: Environmental Dna

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

Zoology

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, […]