Research ReportCRS ReportVersion 41
RL34238
Gray Wolves Under the Endangered Species Act (ESA): Distinct Population Segments and Experimental Populations
Published Nov 1, 2011Updated Jun 20, 2025
Full report
What this is
The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.