Wherever you are in the U.S., a coyote may be taking up residence less than a mile away. If you live in the city, you’re more likely than your rural cousins to encounter raccoons. And regardless of geography, you probably share your home with dozens of species of insects and spiders. These facts...

We zigzag from tree to tree, seeking refuge under the leaf umbrellas. Drizzle turns to deluge as we dash beneath a tall canopy to plot our escape. The sky booms. My dad takes my hand, and I look up to see if he shares my sense of foreboding. But he’s smiling at me, his eyes twinkling. He says...

As monarch butterflies and hummingbirds headed south this fall, I dreamt of following my favorite snowbirds to Mexico and Central America. But I stayed home instead, where I have a window onto the spectacular world of winter wildlife: northern flickers tossing maple leaves with their beaks in search...

The jogger crossed Francis Scott Key Bridge every day—and every day, she saw the goose underneath it. Worried the bird was stuck, she called the Humane Rescue Alliance in Washington, D.C. The lower bridge was only accessible by boat, but thanks to HRA’s relationship with a local fire department...

The mountain lion known as P-47 survived fires, freeways and hostile ranchers. But in March, the 3-year-old big cat—tracked by California biologists since his kitten days—succumbed to a hidden hazard: an insidious form of food poisoning. Six anticoagulant compounds—chemicals used to kill rodents...

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...