Discover the U.S. birds with the largest wingspans. Learn where these impressive birds can be found and other fascinating ...

"Your sightings help scientists track their spread." Researcher issues warning after spotting fleshy creatures on US beach: ...

Take a look at some newly discovered species from the United States: ...

In a river along the Georgia-South Carolina border, an apex predator with gold scales swam through the water. Its red eyes scanned the surrounding riverbed, but it wasn’t the only one looking around.

Mute swans, native to Europe and Asia, are fiercely territorial and they drown smaller animals and have killed at least one American kayaker.