Scientific American16h
Birds Are in Trouble across the U.S. But It’s Not Too Late to Protect Them
In the U.S. 42 species of birds have low and steeply declining populations that put them on the brink of disaster, scientists ...
Ducks were once a conservation bright spot. Now they’re declining in the US, new report shows
At least 112 North American bird species have lost more than half their populations in the past 50 years, according to a new ...
About a third of bird species in U.S. need conservation help, new report says
State of the Birds report identifies 112 "tipping point" species — those that have lost more than half their populations in ...
US bird populations continue alarming decline
U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and ...
Purple martins that winter in Brazil now being spotted in Pennsylvania. Here's where
The annual migration of purple martins from Brazil to Pennsylvania has started. Here's what to know about these birds.