Gray Whale

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Related to Eschrichtius robustus: Megaptera novaeangliae, Kogia breviceps, gray whales

Gray Whale

 

(Eschrichtius gibbosus), a marine mammal of the suborder Odontoceti (toothless whales). Adult gray whales reach a length of 15 m, and newborns about 4.5 m. The whalebone, or plates of baleen, are white and thick and have a coarse fringe; about 180 plates are on each side of the jaw. The dorsal fin is in the form of a low protuberance, behind which are situated several smaller humps. The coloration is gray with numerous light spots, which are scars left by dislodged ectoparasites.

The gray whale inhabits the coastal waters of the northern Pacific Ocean. The Okhotsk-Korea school has been exterminated; the Chukchi-California school winters and reproduces off the coast of California and feeds in the summer in the Chukchi Sea and the Bering Strait. The gray whale feeds predominantly on benthic crustaceans, for example, beach fleas.

After the prohibition of trade in gray whales in 1946, the school increased from several hundred to 11,000 head by 1969. In the USSR, permission to hunt the gray whales is given only to the local Chukchi population.

References in periodicals archive ?
Observations on gray whale (Eschrichtius robustus) utilization patterns in the northeastern Chukchi Sea, July-October 1982-1987.
Arctic Balaena mysticetus pop.) Whale, finback Balaenoptera physalus Whale, gray (Atlantic pop.) Eschrichtius robustus Whale, humpack (W.
Gray whale (Eschrichtius robustus) habitat utilization and prey species off Vancouver Island, B.C.
Kasuya, "Some analyses on the modern whaling catch history of the western North Pacific stock of gray whales (Eschrichtius robustus), with special reference to the Ulsan whaling ground," Journal of Cetacean Research and Management, vol.
From 1967 to 2007, 25 censuses of southbound migrating gray whales, Eschrichtius robustus, were conducted in winter (primarily mid-December to mid-February) at shore-based stations just south of Carmel, Calif.
Although less frequently, carcasses of gray whale Eschrichtius robustus and other large cetaceans also periodically wash ashore.
Tal vez el unico caso valido de erradicacion a gran escala sea el de la ballena gris (Eschrichtius robustus).
Since the mid-1990s, gray whales (Eschrichtius robustus) have been reported with increasing frequency near Barrow, Alaska, during summer and autumn months.
The diet of transient killer whales in spring was primarily gray whales (Eschrichtius robustus), and in summer primarily northern fur seals (Callorhinus ursinus).
The eastern North Pacific gray whale (Eschrichtius robustus) provides us with an interesting case study since it was the first marine mammal to be removed from the ESA and continuous monitoring has been conducted since its delisting in 1994 (Gerber et al.