Impacts Photo by David Thielen on Unsplash See how bird populations are declining in the United States, city by city North America has lost 3 billion birds in half a century. The world’s biggest bird database, eBird, shows how bird populations are doing in your town.
Newslettercommons.wikimedia.org New Audubon study: Climate change threatens bird populations in the National Wildlife Refuge system Left unchecked, warming temperatures and increased climate threats could affect environmental conditions for half of the birds throughout all of the system’s refuges.
