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The flanks, chest, sides, and underside of the neck, often forming a chevron pattern in this area, are cream to tan with rusty tones. Their hind limbs are in a plantigrade stance and are able to rotate under the body for quadrupedal locomotion and support.The northern fur seal is found in the north Pacific – its southernmost reach is a line that runs roughly from the southern tip of During the winter, northern fur seals display a net movement southward, with animals from Russian rookeries regularly entering Japanese and Korean waters in the Sea of Japan and Alaskan animals moving along the central and eastern Pacific to The northern fur seal's range overlaps almost exactly with that of Fur seals are opportunistic feeders, primarily feeding on Due to very high densities of pups on reproductive rookeries and the early age at which mothers begin their foraging trips, mortality can be relatively high. Le femmine adulte e i subadulti hanno una colorazione più variabile di quella dei maschi adulti. In contrast, adult males are medium gray to black, or reddish to dark brown all over. Recently, concern about the status of fur seal populations has increased, particularly in the Pribilof Islands, where pup production has decreased about 50% since the 1970s, with a continuing drop of about 6–7% per year. Le loro criniere possono essere costituite da peli di guardia grigio argento o giallastri. Variable cream to rust-colored areas are on the sides and top of the muzzle, chin, and as a "brush stroke" running backwards under the eye. Chiasson, B.

Recentemente, la situazione del callorino dell'Alaska ha destato una certa preoccupazione, in particolare sulle I callorini dell'Alaska hanno costituito un'importante fonte di cibo per i nativi dell'Asia nord-orientale e gli inuit dell'Alaska per migliaia di anni. A Taxonomic and Geographic ReferenceRandall R. Reeves, Brent S. Stewart, Phillip J. Clapham and James A. Powell (2002). Al contrario, i maschi adulti hanno una colorazione che varia dal grigio al nero, o una colorazione uniforme rossastra o marrone scuro. An Callorhinus ursinus in uska species han Mammalia nga syahan ginhulagway ni Linnaeus hadton 1758. Le femmine, invece, non superano gli 1,5 m e i 50 kg. Males can be as large as 2.1 m and 270 kg. Their manes can have variable amounts of silver-gray or yellowish tinting on the guard hairs. Callorhinus ursinus; Media in category "Callorhinus ursinus" The following 58 files are in this category, out of 58 total. Callorhinus ursinus (Linnaeus, 1758) Areale; Il callorino dell'Alaska (Callorhinus ursinus Linnaeus, 1758) è un otaride diffuso lungo le coste del Pacifico settentrionale, del mare di Bering e del mare di Okhotsk. Waray hini subspecies nga nakalista. I neonati pesano 5,4–6 kg e misurano 60–65 cm. Referencias. Thewissen), Academic Press; 2nd edition, (2008) Pages in category "Callorhinus ursinus" This category contains only the following page. El oso marino ártico (Callorhinus ursinus) es una especie de mamífero pinnípedo de la familia de los otaríidos, la única del género Callorhinus. Ginklasipika han IUCN an species komo nadudultan.

Callorhinus ursinus (Linnaeus, 1758) Original combination: Phoca ursina; Type locality: "in Camschatcæ maritimus inter Asiam and Americam proximam, primario in infula Beringri," restricted by Thomas (1911a) to "Bering Island." I maschi adulti hanno una corporatura tozza e colli ben sviluppati (sia in spessore che in larghezza). Il corpo ha dimensioni modeste e il collo, il petto e le spalle sono proporzionati al resto del torso. In total, gestation lasts around a year, such that the pups born in a given summer are the product of the previous year's breeding cycle. Like other otariids, northern fur seals are built for efficient terrestrial locomotion. It is the largest member of the fur seal subfamily (Arctocephalinae) and the only living species in the genus Callorhinus. Giklaseklase sa IUCN ang espesye sa madutlan. Quasi tutti i membri della colonia tornano in acqua e si disperdono verso la fine di novembre, iniziando generalmente a migrare verso sud. 1.0 1.1; 10.0 10.1; Mga sumpay ha gawas. Pagka karon wala pay siak nga nalista ubos niini niya.

788–91 of Encyclopedia of Marine Mammals (edited by Perrin, W. F., Wursig, B and J. G.M. Fino a cinque anni di età è difficile determinare il sesso. La regione superiore è di colore variabile dal grigio argento scuro al nerofumo. L'arrivo degli europei in Le catture su grossa scala terminarono, più o meno, con la firma della Convenzione per le Foche da Pelliccia del Pacifico Settentrionale del 1911, siglata da Gran Bretagna (in rappresentanza del Canada), Giappone, Russia e Stati Uniti.