Every year, billions of birds migrate north in the spring and south in the fall, the majority of them flying at night, navigating with the night sky. However, as they pass over big cities on their way, they can become disoriented by bright artificial lights and skyglow, often causing them to collide with buildings orContinue reading “Lights Out: Providing Safe Passage for Nocturnal Migrants”
Author Archives: nwbirder
March 2020 Newsletter is available
The March 2020 Columbia Flyway has been sent out and is also available for viewing on the website. If you did not receive your copy in your inbox, contact the membership chair or editor.
