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The Pennsylvania Biological Survey (PABS) is a nonprofit organization whose purpose is "to increase the knowledge of and foster the perpetuation of the natural biological diversity of the Commonwealth of Pennsylvania." Membership includes scientists from throughout the state, representatives of state and federal agencies concerned with natural resource management, representatives of Pennsylvania's major natural history museums and scientific institutions, and interested individuals.

The survey is governed by a Steering Committe that functions through committees focusing on species groups or program areas. To learn more click on the species and program links to the left.

To learn more about PABS history - full story...

Now Available: Terrestrial Vertebrates of Pennsylvania. Click here for more details.