For a small fish only found in the San Francisco Estuary, the delta smelt has caused a lot of controversy over the years.

From birds travelling non-stop for 11 days, to the incredible feats of caribou, discover some of the longest migrations animals ...

Officials with the California Department of Fish & Wildlife say that as part of a broader initiative to expand the release ...

Built in the 1950s, the dam has obstructed the upriver migration of fish, including chinook, whose numbers are a fraction of ...

The crux of this transport system is the Sacramento-San Joaquin Delta, a sensitive marshland region where two of the state’s ...

Advocates say the Federal government is keeping a fish supply behind dams during a major salmon shortage. The salmon need to be able to swim upstream to reproduce, but can’t naturally due to the dams.

The sight of an orca clinging to her dead calf for a heartwrenching reason turned out to be a way of coping with loss, just ...

Lynda V. Mapes, Tribune News Service The stories of salmon and orcas in the Pacific Northwest are linked. Their paths ...

The North Pacific Fishery Management Council will meet in the first week of February with only two items on the agenda. They will refine a Fishery Management Plan for Cook ...

The stories of salmon and orcas in the Pacific Northwest are linked. Their paths intermingle in a vast web of ecosystems and ...

Salmon are struggling to survive. So are the families of endangered southern resident orcas, with a population of just 73, ...

A lack of crucial data in vast Northwestern watersheds risks "undocumented extinction" of some salmon, according to a new ...