NMFS designated and authorized the release of a nonessential experimental population of Central Valley spring-run Chinook salmon in the upper Yuba River and its tributaries upstream of Englebright Dam, California, and under the ESA, established a limited set of take exceptions for the experimental population.

FWS proposed designating approximately 275,647 acres on the islands of Kaua‘i, Maui, and Hawai‘i, in the state of Hawaii as critical habitat for the ʻiʻiwi under the ESA.

FWS designated approximately 4,195 acres in Miami-Dade and Sumter Counties, Florida, as critical habitat for the Florida bristle fern under the ESA.

FWS determined endangered species status for Tiehm's buckwheat under the ESA, and designated 910 acres in one unit in Nevada as critical habitat.

FWS determined threated species status for the whitebark pine under the ESA, and finalized a rule under §4(d) of the Act that provides measures that are necessary and advisable to provide for the conservation of the species.

FWS determined endangered species status for the Dolphin and Union caribou, a distinct population segment of the barren-ground caribou, under the ESA.

FWS listed the Dixie Valley toad as an endangered species under the ESA and continued protections established under the Service's April 7, 2022, temporary emergency listing rule.

FWS reclassified the plant Eugenia woodburyana from an endangered species to a threatened species under the ESA, due to improvements in the species’ status since its original listing in 1994, and finalized a rule issued under §4(d) of the Act to provide measures that are necessary and advisable for the conservation of the species.

FWS proposed to remove island bedstraw and Santa Cruz Island dudleya from the Federal List of Endangered and Threatened Plants on the basis of recovery.

FWS determined threatened species status for the Puerto Rican harlequin butterfly under the ESA and designated approximately 41,266 acres in six units in the municipalities of Arecibo, Camuy, Ciales, Florida, Isabela, Maricao, Quebradillas, Sabana Grande, San Germán, Utuado, and Yauco as critical habitat.