Solid Air: Invisible Killer Saving Billions of Birds From Windows–A Book Review
10,000 Birds
JULY 5, 2022
There are now multiple sites where people can contribute data on window strikes and bird deaths, including NYC Audubon’s dBird , FLAP’s Global Collision Bird Mapper , iNaturalist, and, on a social media level, the Facebook group Dead Birds 4 Science , run by the indefatigable Heidi Trudell. with a median estimate of 599 million.
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