With one of the largest shares of Appalachian Mountains among all the eastern states, Pennsylvania is home to many dozens of ...

These recent sightings are compiled by Sue McGrath of the Newburyport Birders who says May is the month birders live for.

Some people even reported birds mimicking the cuckoo-chirp signal—most likely impressionists like the European Starling, Northern Mockingbird, or Gray Catbird. Dave Gammon of Elon University, who ...