Once an endangered species, bald eagles, including at Voyageurs National Park in Minnesota, came roaring back to life. They now confront a new foe: avian flu. Warning ...

Grab your binoculars and a snug jacket. The climate is ripe for avian celebrity sightings. As cold weather starts to set in, frozen streams and rivers up north send bald eagles — now the country’s ...

The big, beefy bird soared over the Lake Michigan shoreline, its head and tail plumage a perfect match to the color of the wintry landscape below. I watched as the bird flapped a dozen or so times, ...