Fertility control: Essential to American wild burros and mustangs While wild burros are legally viewed in the same light as the American mustang, protected as a living symbol of the American West, the wild horses often seem to receive most of the public's attention. But burros have played a critical...

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...

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...

Conflicts between humans and wildlife are increasing as human populations and urbanization continue to expand globally. A number of additional factors increase the likelihood of human-wildlife interactions and those include wild animals adapting to and flourishing in urban areas, rural areas...

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...