Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

The Chinook is also one of the scarcest Animal Kennel Club (AKC) breeds. The Chinook is a rugged, active, hard-working dog that is always ready for an adventure.

The Center for Biological Diversity and allies today secured court-ordered deadlines requiring the National Marine Fisheries Service to determine whether spring-run Chinook salmon in Oregon, ...

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.

A new report from a group of more than 30 experts says a population of endangered killer whales off the coast of British ...

Chinook salmon are born in freshwater streams and migrate to the ocean as they reach adulthood. Towards the end of their life cycle, they return to their natal streams to reproduce. Populations of ...

While Chinook, chum, and coho salmon are the primary food sources for these whales, researchers have discovered that their diet extends beyond these fish. WATCH | New Southern Resident orca calf ...

Last week, an unexpected discovery washed up on the shoreline of Oakland’s Lake Merritt: several dead Chinook salmon.They had likely swum hundreds of miles in the Pacific Ocean before making ...

Resident orcas, researchers found, eat chinook and chum salmon. And orcas ... the Salish Sea’s residents are down to fewer than 90 animals—and social mores appear to prevent them from ...