A recent report assessing the health of U.S. bird populations presents a grim outlook: Birds in the U.S. are declining, and a ...
By the numbers: In the past 50 years, Colorado species like the mountain plover and Baird's sparrow have seen population ...
Scientists must journey to remote islands in the middle of the Bering Sea, braving uncertain conditions, to reach the ...
An ornithologist spent four decades tracking 40,000 bird deaths at a single building. His records paved the way to better ...
Habitat degradation and erratic rainfall conditions are impacting the movement of birds through northern Australia's ...
Glacier-carved fields and ephemeral wetlands provide a crucial stopover for long-distance migrants and prolific breeding ...