Endangered and Threatened Wildlife and Plants; Similarity of Appearance Explanation for the Northern Distinct Population Segment of the Southern Subspecies of Scarlet Macaw

Document 2025-17320 is a Final Rule published by the Department of Interior in the Federal Register on September 9, 2025, with an effective date of September 9, 2025. In response to an order by the United States District Court for the District of Columbia, we, the U.S. Fish and Wildlife Service (Service), are providing our final explanation related to a specific issue regarding our listing determination under the Endangered Species Act (ESA or Act) for the northern distinct population segment (DPS) of the southern subspecies of the scarlet macaw (Ara macao macao). We explain why we did not conduct an analysis under section 4(e) of the Act pertaining to the DPS. View the original at https://www.federalregister.gov/documents/2025/09/09/2025-17320/endangered-and-threatened-wildlife-and-plants-similarity-of-appearance-explanation-for-the-northern.

No. Document 2025-17320 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.