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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.
Gray Whales off Oregon Coast: Newport, Oregon: August 29, 1994 60: Spyhopping Gray Whale: San Francisco, California: September 5, 1994: Across from Pier 39 61: Grays off the San Francisco Coast: San Francisco, California: September 5, 1994: Between Pier 39 and Aquarium 62: Celebrating Gray Whales: Hollywood, California: September 12, 1994 ...
They also socialize with and encounter the local, non-migratory gray whales in the Strait; from a conservation standpoint, this is vital for the whales' ability to meet potential new mates, form new bonds, and ultimately create new bloodlines. This yearly influx of whales is best observed between March and May, at the peak of the migration times.
At over 10,000 miles, gray whales have the longest migration of any mammal in the world. The population on this side of the Pacific travels from the coast of Mexico to Alaska as the weather turns ...
The agency has estimated the total number of eastern north Pacific Gray whales to be between 17,400 to 21,300, an increase from an estimated 13,200 to 15,960 whales last year.
Though some whale migration routes are known to exceed 8,000km between feeding and breeding grounds, such long-distance movement between longitudes is “atypical”, scientists say.
Gray whales are reliably found near the Farallones during their spring migration north and the fall and winter migration south. Some gray whales may also be found during the summer, when a few whales skip the trip north to Alaska and spend the summer months off the coast of Canada and the continental United States.
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]