Allegany photographer Dan Jordan captured this image — "during a brief period of sunny weather and blue skies" — of an ...

Birds overwintering in Pennsylvania had significantly lower survival rates than those in Florida, with males particularly ...

North America’s smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, ...

North America's smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, ...

Fledgling kestrels in show unexpectedly high survival. Adults face more danger, especially in winter, with most deaths caused ...