Endangered Species Law & Policy

On April 2, 2018, the U.S. Fish and Wildlife Service (Service) proposed downlisting the Hawaiian goose (Branta sandvicensis), locally known as the nene, from endangered to threatened under the Endangered Species Act (ESA).  The Service also proposed adopting a special rule pursuant to ESA section 4(d), known as a section 4(d) rule, allowing incidental take of nene for particular conservation and law enforcement functions.

The nene was federally listed as endangered in 1967, after the population fell below 30 individuals on Hawaii’s Big Island.  The Service instituted a ...

On September 20, 2017, the U.S. Fish and Wildlife Service (USFWS) listed three separate species under the Endangered Species Act ("ESA").  USFWS listed the Sonoyta mud turtle (Kinosternon sonoriense) as endangered, and the 'I'iwi (Drepanis coccinea) and pearl darter (Percina aurora) as threatened species under the ESA.  Despite listing all three species, the USFWS deferred designating critical habitat for the three species.  The three listing decisions, all of which were compelled by settlements that the USFWS entered into during the Obama administration, are summarized below.

In August 2008, the U.S. Fish and Wildlife Service (Service) issued a proposed rule to delist the Hawaiian hawk (Buteo solitarius), also referred to as the io, from the federal list of endangered or threatened species.  The proposed rule states that the proposed action is "based on a thorough review of the best available scientific data, which indicates that range-wide population estimates have been stable for at least 20 years, and the species has recovered and is not likely to become an endangered species in the foreseeable future throughout all or a significant portion of ...