USFWS determine endangered species status under the ESA for the Sira curassow (Pauxi koepckeae) and southern helmeted curassow (Pauxi unicornis), two bird species from South America. This rule extends the protections of the Act to these species. This rule is effective 26 August 2024. POC is Rachel London, Manager, Branch of Delisting and Foreign Species, Ecological Services Program, USFWS, MS: ES, 5275 Leesburg Pike, Falls Church, VA 22041-3803; tele 703-358-2491. (Federal Register 25 July 2024 [Rule] Pages 60319-60328)