An agreement to study transportation and recreational services that would need mitigation if the four lower Snake River dams were breached to recover the river’s threatened salmon and steelhead was signed early last week by the U.S. Army Corps of Engineers and Washington’s Department of Transportation.
Some 262 adult summer steelhead have returned to the Pelton Round Butte hydroelectric project’s trap on Oregon’s Deschutes River as of November 7 and all have been or will be released into Lake Billy Chinook.
An epidemiological study found that 56% of a large breeding colony of Caspian terns died from a 2023 outbreak of highly pathogenic avian influenza at Rat Island in Washington state.
The U.S. Fish and Wildlife Service and conservation partners have announced a groundbreaking achievement in endangered species research: the first-ever birth of black-footed ferrets produced by a cloned endangered animal.
The number of gray whale calves migrating with their mothers along the California Coast this year was one of the lowest on record.
In a new study, NOAA Fisheries scientists, in partnership with the University of Alaska Fairbanks, show that it is possible to estimate fish biomass for more than one species at the same time, using environmental DNA (eDNA).
Oregon and Washington fishery managers set dates and harvest guidelines for recreational white sturgeon retention in pools backed up behind Bonneville, The Dalles and John Day dams.
