Sallinger acknowledges there are large sources of light not operated by single households. Sallinger said it’s because Portland is toward the center of the course that birds take as they head north through West Coast states. Out of Oregon’s three most populated cities, Portland sees the largest portion of the birds overhead. While numbers wane throughout the week, the call to keep lights off at night continues through Friday night when over 3 million birds are anticipated to pass over the state. On Tuesday alone, nearly 5 million birds were expected to migrate over Oregon skies. ![]() “That can be as simple as shutting off your porch lights and your outside lights at night.” “Having people reduce unnecessary lighting during migratory periods does help,” Sallinger said. It also can draw them into urban areas where they can face hazards, like crashing into windows. Light pollution can disorient birds, causing them to exhaust themselves. “A lot of birds migrate at night and it blocks out the stars. “Light has serious impacts on migration,” Sallinger said. The lab forecasts bird migration patterns across the country and suggests varying levels of lights-out alerts based on how many birds are passing overhead. The Audubon Society shared a “lights-out alert” on Tuesday, based on data published by Colorado State University’s AreoEco Lab. “You can’t see them at night, but the sky is literally full of birds,” Sallinger said ![]() Most of their journey happens after the sun goes down. “We’re talking about songbirds, we’re talking about waterfowl, we’re talking about birds of prey,” Portland Audubon Society conservation director Bob Sallinger told Oregon Public Broadcasting. ![]() (AP) - During migration season, millions of birds fly though Oregon as they head north for the summer.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |