DIVAlthough no one had ever followed North American monarch butterflies on their annual southward journey to Mexico and California, in the 1990s there were well

Although no one had ever followed North American monarch butterflies on their annual southward journey to Mexico and California, in the 1990s there were well-ac

“What a wonderful idea for an adventure! Absolutely inspired, timely, and important.” —Alistair Humphreys, National Geographic Adventurer of the Year and

With his lifelong fascination with butterflies, America's best-known lepidopterist set himself an irresistible challenge: how many of the 800 species of butterf

An ecologist reflects on the natural wonders of the Pacific Northwest as he describes the lives of plants, animals, and humans through every season of the year