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Gray Whale Eschrichtius robustus


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Gray Whale
credit: NOAA

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Family: Eschrichtidae, Gray Whales view all from this family

Description Unique with mottled gray color and low rounded hump in place of dorsal fin. Narrow triangular head is covered with barnacles and whale lice. Mouthline is straight or slightly arched. Small flippers and large flukes are frequently marked with white from lice and scars. Top of tail stock is covered with bumpy knuckles..

Dimensions 11.1-14.3m; / 11.7-15.0m, 15,700-33,800kg

Habitat Beaches, shorelines & estuaries, Offshore waters

Range California, Northwest, Alaska

Discussion Active in water, often swims in shallows. Stirs up mud when feeding from sea floor. Strains food with baleen. Low heart- or V-shaped blow. Migrates along west coast between Arctic summer waters and Baja winter waters