Pennsylvania residents are asked to help determine what kind of birds live in PA as the statewide bird atlas approaches. ... Maryland is also in the process of completing its third atlas by 2025.

The Pennsylvania Game Commission wrote the first Atlas in the 1980s, and they start a new one every 20 years. This time, Hawk Mountain Sanctuary in Kempton, Pa. is the Atlas’s headquarters.

The third iteration of Pennsylvania Bird Atlas shows eagles making an astonishing comeback across Pennsylvania and the Philadelphia region, writes Anthony R. Wood for The Philadelphia Inquirer ...

In Pennsylvania‘s first atlas, a modest comeback was evident. By 1989, 11 nesting pairs had been identified, most of them in the northwestern part of the state, but one pair in Lancaster County.

In Pennsylvania, that usually means hemlock forests thick with rhododendron and/or mountain laurel. Surveys conducted for the first Breeding Birds in Pennsylvania Atlas (1983-89) found saw-whets ...