Columbia City Lights Initiative wouldn't suddenly change a pristine night sky to one that's light-polluted, but it would ...

Use bird-friendly lighting: About 80% of North American birds migrate at night, and bright lights can disorient or harm them. Using shielded, warm-colored lights (3000K or below), dimmers, timers ...

The plea from Audubon N.C. follows a study last year that estimated more than 1 billion birds are killed in collisions with buildings in the U.S. annually. It cites artificial lights at night and ...

In Northern Virginia alone, an estimated 100 to 160 million birds migrate through our skies each spring and fall. Artificial lights can turn their journey into a confusing and dangerous trek.

The effort started in the spring of 2024 to collect audio data on the flight calls birds make at night while migrating over the state. Volunteers, along with Yoerger, set up recording devices on ...

Rochester is amid its historic peak for bird migration, highlighted by warblers traveling into and through the area. The evening of May 12, an estimated 1.1 million birds crossed over Monroe ...

The first few days in May had an average of about 4.5 million birds migrating over Indiana at night, and experts predict an average of about 6 million birds passing each night through the end of May.

Use bird-friendly lighting: About 80% of North American birds migrate at night, and bright lights can disorient or harm them. Using shielded, warm-colored lights (3000K or below), dimmers, timers ...

Migratory journeys Incredibly, these tiny birds are migratory. Every year, ruby-throated hummingbirds make long journeys between North America and Central America.