The Salamander Army

Crawling across American forests, a secretive horde of amphibians protects vast ecosystems.

On a drizzly December afternoon in western Massachusetts, U.S. Geological Survey wildlife biologists Evan Grant and Adrianne Brand stop their car on the side of the road and plod into the wet forest through a break in the oaks and white pines. It’s a bit late in the year to find the predators they’re searching for, but this forest is teeming with them. In fact, as soon as they walk past the first tree, they’re probably never more than a few feet from one. You’d never k...

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