The killer whale is the largest member of the dolphin family. The population of Southern Resident killer whales in the Pacific Northwest is one of the most critically endangered marine mammals. Learn about our work to protect and conserve killer whales.| NOAA
Once common throughout the Northern Hemisphere, gray whales are now only found in the North Pacific Ocean where there are two extant populations in the eastern and western North Pacific. Learn more about gray whales.| NOAA