A study found that the genetic code of spring-run Chinook salmon, like these in California’s Butte Creek, vary from fall-run salmon only in the DNA variance governing migration times. (Courtesy of ...

Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the ...

Spring-run Chinook salmon are also a preferred and primary food for Southern Resident orcas, which are themselves listed as endangered, having a population of only 73 individuals. Diminishing salmon ...

Feds May Look at Spring-Run Chinook Salmon as Genetically Distinct Wildlife conservationists have been long making the case that spring-run Chinook salmon are a genetically distinct species from the ...

More than 1,200 adult spring-run Chinook salmon meant to return to the San Joaquin River ended up in the Tuolumne River instead, prompting a five-part rescue operation. The fish were originally ...

Spring chinook are continuing to make an impressive showing at Bonneville Dam. In the past 10 days, more than 62,500 adult springers have been counted in the dam’s fish ladder. That includes nearly 13 ...

The Park Fire is California’s fourth-largest wildfire, and has burned over 420,000 acres across Northern California in more than two weeks. The fire is now threatening some of the last refuges of ...

PORTLAND, Ore.— The Center for Biological Diversity, Native Fish Society and Umpqua Watersheds filed a notice today of their intent to sue the National Marine Fisheries Service to force it to decide ...

The California Department of Fish and Wildlife (CDFW) and National Oceanic and Atmospheric Administration (NOAA) Fisheries biologists are pursuing urgent measures in northern California this fall to ...

!–paging_filter–pMarch is the time to plan a pilgrimage in honor of Northwest royalty. Spring-run chinook salmon—known as spring kings, or springers—are pushing up the lower Columbia River right now, ...

Anglers will get another shot at a better-than-expected spring chinook salmon run on the Columbia River. Bolstered by a 30% uptick in the spring run at Bonneville Dam, Oregon and Washington biologists ...

Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the ...