Beavers are making a comeback. Nearly driven to extinction by the fur trade, nature’s best architects are now 6–12 million strong in the United States. This return will provide significant benefits to our country’s ecology, which has lost much of its wetlands to development and agriculture. Learn...

White-tailed deer, North America’s most abundant larger herbivore, number an estimated 30 to 35 million in the United States, found in every state but Alaska, California, Hawai'i, Nevada and Utah. With hunting restrictions, their population has rebounded to where it was before Europeans arrived...

By some human standards, my pond is a hot mess. Underneath and around the water lilies are fallen leaves, branches and other debris of decomposing plants. Along the edges, sea oats, sedges and swamp sunflowers hug the rocks. But if humans are picky in their desire for orderliness, frogs are just as...