Global Range: (20,000-2,500,000 square km (about 8000-1,000,000 square miles)) Range includes coastal waters of the North Pacific. Most gray whales are in the Bering and Chukchi seas in summer (some occur then off northern Alaska, the Siberian coast, and southward along the coast to British Columbia and northern California). In winter, they occur in coastal waters off Baja California, Sonora, and Sinaloa. Primary birthing areas are Laguna Ojo de Liebre (Scammon's Lagoon), Laguna Guerrero Negro, Laguna San Ignacio, and Estero Soledad, Mexico (IUCN 1991). This species has been extirpated in the Atlantic (last seen about 1750; Rice 1998, Nowak 1991). A small population exists in the western Pacific (Okhotsk Sea in summer to South Korean coast in winter) (Weller et al. 1999).
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