Ornithologist Bruce Beehler tracks down what he calls the “Magnificent Seven,” a charismatic group of migratory birds, in his ...

From Mexico to the mountains, Arizona’s hummingbirds are on the move. Here's when and how to spot them in Arizona.

Set at the headwaters of the Suwannee and St. Marys rivers in southeastern Georgia, the Okefenokee Swamp is not only one of America’s most important ecosystems, but it's also the largest blackwater ...

It’s not very often we get to see the reintroduction of an endangered species to our area, get reintroduced into our ...

A new study found that it's possible to return grizzly bears to California. Whether that's a good idea is a matter for ...

Conservation efforts at the Phoenix Zoo and Southwest Wildlife aim to protect endangered species like black-footed ferrets ...

Rufous: This species migrates through the western half of Colorado. Males have a distinctive bright orange on their back and belly with iridescent red throat feathers. Females have greenish back and ...

The last true wilderness in America is in the northernmost region of Alaska, and just getting there is a daring feat that requires intense planning.

The Forest Service says salvage logging is needed to avoid fires. Ecologists and hikers worry that will prioritize profit over ecosystems.

Some species seem to live fast and die young. Others, though, “appear not to age,” says João Pedro de Magalhães, a molecular ...

Long Island wildlife experts have employed the help of citizen scientists in their three-year survey of the island’s terrestrial and semi-aquatic mammals.

Many huge animals went extinct surprisingly recently. When they died, their ecological role was lost with them.