Winter-run Chinook salmon, once considered to be most at risk of extinction by the National Oceanic and Atmospheric Administration, returned to its habitat in Northern California. Wildlife officials ...

An endangered species has returned to its Northern California river habitat for the first time in almost a century, wildlife ...

A closer look at same fall-run Chinook Salmon seen on Oct. 16, 2024, in a tributary of the Klamath River after removal of the dams marking the first fish to return since 1916.

A barn swallow flies above the Pilchuck River, a few miles downstream from the location of a fish habitat restoration project along SR 92 on Friday, July 5, 2024, near Lake Stevens, Washington.

SUAMICO, Wis. (WLUK) -- Two river otters from the NEW Zoo in Suamico escaped their habitat during Winter Storm Ezra and zookeepers are looking for them. In the early morning hours of Thursday ...

Swimming with the Spokane River's signature fish — a living symbol of the river's resurrection By Tim Connor Gordo, a preternaturally relaxed wild redband, appeared out of nowhere in August.

SACRAMENTO — Fish swimming up the American River will soon have a new spot to spawn. Construction is now underway on habitat improvements for salmon and steelhead.

A recent study of river conditions showed a sediment load of more than 200,000 tons a year, which is 10 times what would be expected for a river like the Grays. The study cited erosion caused by ...