A new study finds North American bird populations keep dropping, and that decline is accelerating for many species.
Billions of birds that once filled North American skies have disappeared, and new science shows they are disappearing faster ...
Scientists studying data collected over more than three decades found accelerating losses. Their research offers clues about the causes.
As the global avian extinction crisis accelerates, the loss of large-bodied birds is destroying local biodiversity and ...
FWS announced Feb. 9 that the well-known bird will be removed from the list as the population has grown in other states over ...
Two bird species new to science have been identified in the Amazon Basin by Brazilian researchers. By integrating bioacoustic ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results