As birds migrate across Utah, bright city lights and reflective windows turn deadly. Wildlife experts say small changes at home can help prevent thousands of collisions.

Without lush new growth of leaves to support caterpillars and other insect larvae, far fewer butterflies and other adult ...

Tonight, there will be more birds in the sky than there are people in the United States. According to Cornell Lab’s BirdCast, an estimated 373 million winged migrators will continue their journey ...

Last night, more than 600,000 birds flew over Acadiana on their way to spring nesting sites. Before the spring migration ends in June, it's estimated that millions of birds will have flown over our ...

As millions of migratory birds pass through Chicago each spring, volunteers race to rescue injured birds and document deadly ...

Spring migrations runs between March 1 and June 15. Artificial lights and glass windows pose significant threats to migrating birds. Turning off unnecessary lights and adding patterns to windows can ...

SEATTLE — Millions of birds continue to silently fly overhead, making their long seasonal journey south. The autumn bird migration season is in full swing, peaking between September 19 and October 11 ...

Minnesotans are encouraged to turn off unnecessary lights Wednesday evening as nearly 43 million migrating birds are expected to fly over the state. Starry Skies North, a chapter of DarkSky ...

Bats are the only mammals that can actively fly, enabling many species to perform seasonal migrations. In migratory birds, ...

Spring migration is underway across Oklahoma, with millions of birds traveling north during overnight flights. Wildlife experts say bright city lights can confuse birds and increase the risk of deadly ...

Johanna Harvey, an assistant professor of wildlife disease ecology at the University of Rhode Island, has described bird flu ...