Gray whales learn daring feeding strategy in Puget Sound: Digging for ghost shrimp at high tide
Holly Fearnbach/John Durban/TNS

SEATTLE — Every spring, a small group of about a dozen gray whales pauses along an epic migration from calving lagoons in Baja California to their feeding grounds in the Arctic. They travel more than 170 miles off their coastal migration route, to stop off in northern Puget Sound. There, they linger from about March through May. Now scientists think they know why the Sounders, as this beloved group of regulars is known, likes to visit — and hang around. New research confirms these whales have figured out a brilliant feeding strategy. Combining drone photography with long-term data on the Sound...