Regional Species of Greatest Conservation Need (RSGCN) are the foundation of conservation collaboration in the Northeastern states. Every five years, taxonomic experts throughout the region work together to review the list, adding species with newly documented declines or emerging threats and removing more secure species.
When using this data, please use the following citation: Northeast Fish and Wildlife Diversity Technical Committee. 2024. Northeast Regional Species of Greatest Conservation Need (RSGCN) Database, version 4.1. Prepared for the Northeast Association of Fish and Wildlife Agencies by Terwilliger Consulting, Inc. https://www.northeastwildlifediversity.org.