Salmon are distinguished among lesser fish for their ability to swim upstream, but not even they can swim over the hydroelectric dams blocking Washington state's Columbia River. What's a fish to do?

Chinook salmon that evolved to migrate up the Willamette River during a narrow winter window when they could get over Willamette Falls are one of the most genetically unique salmon in the Columbia ...

In October 2024, scientists created dozens of man-made nests and deposited 300,000 Chinook salmon eggs. Now, those eggs are hatching. California Department of Fish and Wildlife Chinook salmon were ...

June 17 (UPI) -- Oregon Wildlife officials are claiming success in efforts to move hungry Caspian terns away from valuable salmon migration ... done so by building a man-made island in a southeast ...