The demography of extinction in eastern North American birds
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On The Brink: The Five Rarest Birds of the United States
Decline of the North American avifauna
Bird Population In North America Has Plummeted In Past 50 Years : NPR
Almost 3 Billion Birds Disappeared Across the US, Canada Since 1970
Top 25 Extinct Birds of All Times Causes of Mass Extinction of Birds
Two birds native to North Carolina declared extinct, Mountain Times
The demography of extinction in eastern North American birds
Grief is a rational response': the 21 US species declared extinct this year, Endangered species
North American birds face risk of extinction, report says
