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The gray whale (Eschrichtius robustus), [1] also known as the grey whale, [5] is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of 14.9 meters (49 ft), a weight of up to 41 tonnes (90,000 lb) and lives between 55 and 70 years, although one female was estimated to be 75–80 years of age.
January: Spy on whales off San Diego. Gray whales migrate along the California coast from December through May, prompting winter whale-watching boats to head out regularly from harbors up and down ...
The gray whale has the longest recorded migration of any mammal, with one traveling 23,000 kilometers (14,000 mi) from the Sea of Okhotsk to the Baja Peninsula. [84] It is thought that plankton blooms dictate where whales migrate.
[34]: 256–257 Baleen whales famously migrate very long distances into tropical waters to give birth and raise young, [40] possibly to prevent predation by killer whales. [41] The gray whale has the longest recorded migration of any mammal, with one traveling 14,000 miles (23,000 km) from the Sea of Okhotsk to the Baja Peninsula. [42]
Gray whales perform one of the longest annual migrations of any mammal, traveling a 14,000-mile round trip from their feeding grounds in the Arctic to breed in the Baja California lagoons, and ...
The 30-foot (9-meter) whale was spotted Tuesday near San Francisco swimming north as part of gray whales' annual migration from Mexico to Alaska. It was dragging the net with two bright red buoys that rescuers attached to it on March 22, when the animal was first spotted off Laguna Beach in Southern California.
Gray whales can grow to nearly 50 feet in length and weigh an average of 90,000 pounds, ... however, during migration, they can be found far from shore. They normally give birth in early January ...
Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as four described fossil genera: Archaeschrichtius (), Glaucobalaena and Eschrichtioides from Italy, [1] [2] and Gricetoides from the Pliocene of North Carolina. [3]