The Pennsylvania Natural Heritage Program (PNHP) inventories and maintains a list of ecologically significant species and communities. This list represents the most up-to-date, accurate scientific information available and reflects current nomenclature. The decisions regarding rank and status are made by a state-recognized panel of experts of the PA Biological Society. The PNHP list of species is the basis for Environmental Review, or the Pennsylvania Natural Diversity Inventory (PNDI).
Search: Reptiles & Amphibians Birds Fish Mammals Insects and Spiders Mussels and Snails Plants Communities Geology -- All Species --
A county natural heritage inventory report for Adams County is available to download here.
Fact Sheets (The following links may be available for each species.)
Definitions of the status and rank codes can be found here.