30 Migratory Birds

The migratory patterns of warblers and other seasonal travelers

See an animation of bird migration over Northeastern United States, and a visualization of global bird migration. In Washington DC the City Wildlife organization (independent, no government affiliation) has a ‘Lights Out’ program which tracks and collects birds that crashed into windows and window walls:

“Flocks of birds end up in populous urban environments like Washington dense with glass buildings and towers that pepper the skyline. Frequently, birds are lured by artificial lights or become disoriented by smooth, transparent surfaces and slam right into the glass. Most die on impact; those that are maimed often fade overnight before the Lights Out crew can come to their rescue.”


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