FWS announced 12-month findings on petitions to list two mussel species under the ESA, finding that listing the Salina mucket and Mexican fawnsfoot as endangered was warranted, and proposed to designate approximately 200 river miles in Brewster, Terrell, and Val Verde Counties, Texas, and 185 river miles in Maverick, Webb, and Zapata Counties, Texas, as critical habitat for the Salina mucket and the Mexican fawnsfoot, respectively.

NMFS proposed to designate waters from the 100 meter isobath to the 400 meter isobath in the Gulf of Mexico as critical habitat for the Rice's whale under the ESA.

FWS determined threatened species status for the cactus ferruginous pygmy-owl under the ESA, and finalized a rule under §4(d) of the Act to provide for conservation of the subspecies.

FWS removed the golden paintbrush from the Federal List of Endangered and Threatened Plants as it no longer meets the definition of an endangered or threatened species under the ESA.

FWS proposed to designate approximately 8,870 acres in Florida, Hawaii, the U.S. Virgin Islands, American Samoa, Guam, Puerto Rico, the Northern Mariana Islands, the Midway Islands, and Palmyra Atoll as critical habitat for five distinct population segments of the green sea turtle under the ESA.

NMFS proposed to designate specific areas in the marine environment, including nearshore areas along the coasts of Florida, North Carolina, Texas, Puerto Rico, U.S. Virgin Islands, California, Hawaii, American Samoa, Guam, and the Commonwealth of Northern Mariana Islands, and Sargassum habitat in the Gulf of Mexico and Atlantic Ocean, as critical habitat for six distinct population segments of the green sea turtle under the ESA.

EPA entered into a proposed stipulated partial settlement agreement under the ESA in Center for Biological Diversity v. United States Environmental Protection Agency, No. 3:11-cv-0293 (N.D. Cal.), which would require the Agency to take steps by specified deadlines in connection with its alleged failure to comply with certain duties under the Act.

NMFS announced its intent to conduct five-year reviews for black abalone and white abalone and requested the submission of scientific and commercial data that has become available since the last review of the species.

FWS proposed to list the dunes sagebrush lizard as an endangered species under the ESA.

FWS revised the regulations concerning experimental populations of endangered and threatened species under the ESA, by removing language generally restricting the introduction of experimental populations to only the species' "historical range" to allow for the introduction of populations into habitat outside of their historical range for conservation purposes.