Loons, beloved American waterbirds, face threats from climate change and pollution. An oil spill settlement funds a new phone app helping non-scientists to aid research on these birds.

Minnesota’s state bird is everywhere: There are loons on license plates and library cards, at lottery counters, and now even on the official state seal. Fireplace mantels across the state sport carved ...

OTIS — Stay quiet. No sudden moves. It shouldn't even know you're here. Thomas Gregg kayaks through the reservoir toward a marshy island. No other humans in sight. “You’ve got to woo the loon,” he ...