February 6, 2012 (Washington D. C.) -- The Interior Department’s U.S. Fish and Wildlife Service (FWS) and NOAA’s National Marine Fisheries Service (NOAA Fisheries), the two federal agencies responsible for administering the Endangered Species Act (ESA), today announced a 30-day extension of the public comment period on a draft policy interpreting the phrase “significant portion of its range” (SPR) in the ESA’s definitions of “endangered species” and “threatened species.”