Federal defendants in a long-running case in U.S. District Court challenging NOAA Fisheries’ biological opinion governing operations to prevent harm to salmon and steelhead at Columbia River federal hydroelectric system of dams raised the case to the Ninth Circuit Court of Appeals in late March.
Federal defendants in a long-running case in U.S. District Court challenging NOAA Fisheries’ biological opinion governing operations to prevent harm to salmon and steelhead at Columbia River federal hydroelectric system of dams raised the case to the Ninth Circuit Court of Appeals in late March.
Scientists with the Wildlife Genetics Research Unit at the California Department of Fish and Wildlife have completed a genomic study of nutria, an invasive South American rodent, linking their 2017 discovery in Merced County to a population in central Oregon. This was the first genomic study of the semi-aquatic pest species that is harmful to wetland habitats and agriculture and has challenged control efforts of land and wildlife managers worldwide for decades.
A huge snowpack in Canada provides a stark contrast to the nearly empty snowfields in southern Idaho where snowpack is at record lows this year and in eastern Oregon, with much of that area in drought or developing drought, according to an April National Oceanic and Atmospheric Administration report.
The U.S. Army Corps of Engineers, Portland District, will host two virtual public information sessions on Wednesday, April 1, 2026, to discuss proactive safety measures being implemented at Hills Creek Dam in Oregon’s Willamette Valley.
The Center for Biological Diversity has notified the U.S. Fish and Wildlife Service it intends to sue the agency for failing to make a timely decision on whether the western ridged mussel should be protected under the Endangered Species Act. The imperiled mussels are disappearing from streams and rivers across the three West Coast states and Idaho and Nevada.
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