Cyprinodon diabolis, or Devils Hole pupfish: a one-inch-long, iridescent blue fish whose only natural habitat is a ten-by-sixty-foot pool near Death Valley, on

In 1962 the Green River was poisoned and its native fishes killed so that the new Flaming Gorge Reservoir could be stocked with non-native game fishes for sport

One fish, two fish, red fish, nearly thirty thousand species of fish -- or fishes, as they are properly called when speaking of multiple species. This is but on

NEW YORK TIMES BESTSELLER • “A delightful sampler plate of our national parks, written with charisma and erudition.”—Nick Offerman, author of Paddle You

Relicts of a Beautiful Sea: Survival, Extinction, and Conservation in a Desert World