There's one last orca birth to come at SeaWorld, and it will probably be the last chance for research biologist Dawn Noren to study up close how female killer whales pass toxins to their calves through their milk.
The killer whales that spend time in the inland waters of Washington state already are tagged and tracked, photographed and measured.
Marine theme-park giant SeaWorld announced Thursday it will stop breeding orcas, also known as killer whales, and will no longer keep any of the giant sea creatures in captivity after its current generation dies.
Killer whales in European waters face extinction due to outlawed but long-lived pollutants that also threaten several species of dolphins, according a study released Thursday.
Salmon are the primary summer food source for an endangered population of killer whales in the Pacific Northwest, according to an analysis of fish DNA in killer whale poop published Jan. 6, 2016 in the open-access journal ...
SeaWorld filed a lawsuit Tuesday challenging a California commission's ruling that bans the company from breeding captive killer whales at its San Diego park.
Whale researchers are celebrating the birth of another baby orca in Puget Sound, the first time in decades the population has experienced such a boom.
The speed of vessels operating near endangered killer whales in Washington is the most influential factor—more so than vessel size—in how much noise from the boats reaches the whales, according to a new study published ...
Federal biologists flying a drone have taken thousands of rich images of endangered Puget Sound orcas showing the whales are in good condition this year and that several appear to be pregnant.
A NOAA Fisheries research team flying a remotely operated hexacopter in Washington's San Juan Islands in September collected high-resolution aerial photogrammetry images of all 81 Southern Resident killer whales that showed ...