Fish and Wildlife Service March 26, 2024 – Federal Register Recent Federal Regulation Documents
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Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Pyramid Pigtoe
We, the U.S. Fish and Wildlife Service (Service), withdraw the September 7, 2021, proposed rule to list the pyramid pigtoe (Pleurobema rubrum), a freshwater mussel, as a threatened species under the Endangered Species Act of 1973 (Act), as amended. This withdrawal is based on new information we received following publication of the proposed rule that indicates the pyramid pigtoe is not a valid listable entity under the Act. In 2023, a comprehensive genetic analysis throughout the range of the pyramid pigtoe (P. rubrum) and round pigtoe (P. sintoxia) mussels concluded that the two mussels are conspecific and that pyramid pigtoe is not a valid taxon. Individuals previously assigned to P. rubrum are now considered to be P. sintoxia, a wide- ranging common species. Because we are withdrawing the proposal to list the pyramid pigtoe, we are also withdrawing the associated proposed rule issued under section 4(d) of the Act.
Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Pygmy Three-Toed Sloth
We, the U.S. Fish and Wildlife Service (Service), propose to list the pygmy three-toed sloth (Bradypus pygmaeus; hereafter ``pygmy sloth''), an arboreal mammal species from Panama, as a threatened species under the Endangered Species Act of 1973, as amended (Act). This determination also serves as our 12-month finding on a petition to list the pygmy sloth. After a review of the best available scientific and commercial information, we find that listing the species is warranted. Accordingly, we propose to list the pygmy sloth as a threatened species with a rule issued under section 4(d) of the Act (``4(d) rule''). If we finalize this rule as proposed, it will add this species to the List of Endangered and Threatened Wildlife and extend the Act's protections to the species.
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