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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 have experienced similar declines before but their numbers fully recovered,” NOAA said. Indeed, gray whale numbers have dropped as low as 15,000 in 1978-79 and 1992-93, and 16,000 in ...
Unprecedented numbers of gray whales are being spotted in San Francisco Bay, and nobody really knows why. Experts only have educated guesses about the prevalence of porpoises, dolphins and ...
The number of Pacific gray whales increased an estimated 33% compared to a year ago, offering continued evidence that the mammals are recovering.
The South American continent houses ... After commercial hunting ended, some species, such as the gray whale and ... Then the number dropped down to 400 by the 1980s ...
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]
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.
The second gray whale, which was captured in 1971 from the same lagoon, was named Gigi II and was released a year later after becoming too big. [158] The last gray whale, J.J., beached itself in Marina del Rey, California, where it was rushed to SeaWorld San Diego and, after 14 months, was released because it got too big to take care of ...