The Center for Biological Diversity has sent a notice to the U.S. Bureau of Land Management and the U.S. Fish and Wildlife Service of its intent to sue the agencies for approving a logging project in western Oregon that it says will destroy and fragment the mature and old-growth forests needed by marbled murrelets.

Of the fish that had passed Bonneville Dam last spring, California and Steller sea lions consumed 3.6 percent of the spring Chinook salmon and 5.5 percent of the steelhead. Some 98 individual sea lions were responsible for this predation, according to a recently-released annual report by the U.S. Army Corps of Engineers.

Oregon Department of Fish and Wildlife staff at the Ashland Boat Inspection Station found quagga mussels on a motorboat that was being transported from Lake Havasu, Arizona into Oregon on March 21.

California’s Wildlife Conservation Board approved $59,642,096 in grants for 27 projects across 18 counties to protect biodiversity, restore important wildlife habitats and improve public access to nature.

The Pacific Fishery Management Council has adopted three options for 2026 ocean salmon fisheries off Washington, Oregon, and California, which are available for public review.

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a recently published study in the journal Ecosphere.

In August 2025, two biologists from NOAA Fisheries’ Alaska Region Protected Resources Division traveled to St. George Island to conduct routine maintenance on NOAA facilities. Upon their arrival, they began receiving reports from residents about a high number of northern fur seals found dead in unexpected locations on the island.

A debilitating hoof disease affecting elk herds across the Pacific Northwest appears to be driven not by a single pathogen but by multiple bacterial species working together, according to a study led by researchers in Washington State University’s College of Veterinary Medicine.

Forecasts for the 2026 runs of spring and summer Chinook salmon and winter steelhead into the Columbia River are coming in lower than last year’s actual returns for each of the stocks, according to a joint state and tribe stock status report.

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help them avoid wolf encounters.