The transient population, which in 2018 reached 349, grew at about 4 percent a year for most of the past decade, and is well on its way to replacing the residents as the dominant killer whale in ...

Resident killer whales who eat salmon were very vocal probably because the salmon have diminished ability to hear relative to other marine animals and are less likely to be frightened off by whales’ ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Resident pods appear to be much more closely knit than transient pods. Hoyt has studied the resident orca populations of British Columbia, Alaska and Russia and says they are characterized by ...

Transient orca are mammal-eating orca and typically travel offshore, rarely in the Puget Sound and inward islands. Transient whales hunt harbor seals in small groups, unlike resident orca, usually ...

Transient orca are mammal-eating orca and typically travel offshore, rarely in the Puget Sound and inward islands. Transient whales hunt harbor seals in small groups, unlike resident orca, usually ...

SEATTLE — A transient orca was able to free itself from a crab pot on Wednesday after more than seven hours. Reports came in around 10 a.m. of an orca that appeared to be entangled in a crab pot ...

While transient orca sightings are more frequent, the Salish Sea is also home to the southern resident orcas. The three southern resident pods J, K, and L, are comprised of orcas found in southern ...

SEATTLE — Researchers are concerned aboutthe new Southern Resident orca calf born last month, describing it as "emaciated." The Center for Whale Research (CWR) said the Southern Resident calf ...

A record number of "transient" orcas seen in Puget Sound this summer has whale watchers excited and some biologists curious. There have been a record number of sightings of so-called "transient ...