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Important Bird Areas

Habitat loss is one of the most significant threats to not only bird populations, but all wildlife populations. Because no species can survive in isolation, the protection of significant areas of wildlife habitat is critical to any conservation movement. Important Bird Areas (IBAs) are sites that are recognized as being globally important for bird populations.

There are nearly 10,000 IBAs all over the world, with those in the United States being administered by the National Audubon Society. The first statewide IBA program was formed in Pennsylvania in 1996 and there are now over 80 IBAs recognized in Pennsylvania.

The best way to appreciate the importance of an IBA is to visit one yourself. The following is a list of nearby IBAs of southeastern Pennsylvania. Click on the location to learn more about each IBA.

Blue Marsh Lake, Berks County
Fairmount Park and Benjamin Rush State Park, Philadelphia
Glen Morgan Lake, Berks County
Great Marsh, Chester County
Green Lane Reservoir, Montgomery County
Hay Creek – French Creek Forest Block, Berks and Chester Counties
John Heinz NWR at Tinicum, Philadelphia
Kittatinny Ridge
Lake Ontelaunee, Berks County
Laurels, King Ranch and Stroud Preserves, Chester County
Lower Susquehanna River Gorge – Conowingo/Muddy Run, Lancaster County
Middle Creek Wildlife Management Area, Lancaster and Lebanon Counties
Octoraro Reservoir, Chester and Lancaster Counties
Peace Valley Park, Buck County
Quakertown Swamp SGL 139, Bucks County
Red Clay Creek Valley, Chester County
State Line Barrens, Chester and Lancaster Counties
Unami Creek Valley, Montgomery County
Upper Ridley/Crum Creeks, Delaware County

You can learn more about the IBA program on the National Audubon Society’s website and on Pennsylvania Audubon’s website.