5 BIRDS WITH THE LONGEST WINGSPAN
From oceans to mountains, these birds with massive wingspans expertly dominate the skies, flying great distances.
Michigan's largest swallow is arriving home. Where purple martins have been spotted
Purple martins are returning from South America. The first "scouts" have been spotted in Michigan. What to know.
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 ...
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.