The Department of Defense, specifically the U.S. Army Corps of Engineers (USACE) Portland District, is seeking to negotiate and award a firm fixed-price contract to the Oregon Department of Fish and Wildlife (ODFW) for scientific monitoring and studies related to the Oregon Bull Trout species. The primary objectives of this procurement include assessing the impact of dams on Bull Trout populations and facilitating the reestablishment of naturally reproducing populations in the Willamette River Basin, in compliance with the Endangered Species Act and a signed Biological Opinion. This contract is critical for ensuring the continuity of monitoring efforts and will include a base period of one year with two optional 12-month extensions, with an estimated award date around March 4, 2025. Interested parties must submit capability statements by 10:00 a.m. Pacific Standard Time on February 1, 2025, to Melanie A. Barrett and Justin Figueredo via email, with no phone inquiries permitted.