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...

Stuffed in a sports bag in Johannesburg, South Africa, the small pangolin was far from her natural environment. She’d been poached from her home and held without food or water for around 10 days, and now she was up for sale. In February 2020, wildlife traffickers brought her to an arranged meeting...

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...

Decaying logs and miniature bogs, hollowed stalks and piled rocks, nutritious pollen and leaves fallen: They’re not the stuff of traditional nursery rhymes and baby showers. But if wild mothers-to-be had gift registries, these natural supplies would top the list. Though the basic elements for...

My husband and I were contemplating whether to hike the 3-mile trail in Utah’s Zion National Park that September day. I’d read that this trail was our best chance to spot bighorn sheep, but after a week of exploring the five national parks in the state, our bodies were tired—and it was already late...