Scientists studying southern resident killer whales for the past decade now know they are among the most contaminated marine mammals, with pollutants particularly high in the youngest whales
A conservation group is asking federal officials to protect endangered killer whales in the marine waters off the West Coast.
A satellite tag attached to one endangered Puget Sound killer whale is yielding some valuable information about the migration of orcas in recent days.
A large pod of orcas in Puget Sound this week has been thrilling whale watchers.
Biologists are gaining new information about the winter movements of endangered Puget Sound killer whales by tracking the daily activities of one orca by a satellite tag.
If whale expert John K.B. Ford has his way, school children one day will study a kind of North Pacific killer whale that preys on warm-blooded creatures — mostly harbor seals and sea lions, but also gray whales and seabirds.
More than a dozen killer whales swimming past West Seattle gave residents a spectacular sight Monday as the sun set. This is the farthest south the orcas have been seen this year, and it may indicate a typical fall shift.
Property-rights advocates and California farmers have filed a petition urging the government to delist Pacific Northwest orcas from the Endangered Species Act, arguing that group of whales is not a sub-species.
The U.S. Navy’s use of sonar in training exercises off the costs of Washington, Oregon and California is coming under fire from conservationists and Native American tribes, saying the noise can harass and kill whales and other marine life.
Biologists from the National Oceanic and Atmospheric Administration Fisheries Service in Seattle plan to attach tiny satellite devices on Puget Sound’s endangered orcas to help better understand where they go during winter. But some whale experts worry the tags — about the size of a 9-volt battery with two darts — could injure the orcas.