Today, small populations of timber rattlesnakes (Crotalus horridus) quietly inhabit parts of Rutland County in Vermont, and Warren, Washington, and Essex counties in New York. Because the species is endangered, the exact locations of established dens in this area are a closely guarded secret. Insider, naturalist, and author Jon Furman has devoted years to the study of the snake's past and present range, its habitat and biology, the period in Vermont and upstate New York history during which timber rattlesnakes were ruthlessly hunted for a bounty, and the outlook for this severely threatened...