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The Kamchatka brown bear (''Ursus arctos beringianus''), also known as the "Far Eastern brown bear", or in russian: Камчатский бурый медведь, Kamchatsky bury medved, is a subspecies of
brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is kn ...
.


Description

The Kamchatka brown bear is the biggest brown bear in Eurasia, with a body length of to tall on hind legs, and a weight up to at least . It is about the size of the
Kodiak bear The Kodiak bear (''Ursus arctos middendorffi''), also known as the Kodiak brown bear, sometimes the Alaskan brown bear, inhabits the islands of the Kodiak Archipelago in southwest Alaska. It is the largest recognized subspecies or population ...
; however, the skull is broader than that of the Ussuri brown bear, and compared to that of the Kodiak bear, the breadth of the skull is much greater in proportion to its length, the anterior narial opening is much shorter, and the molars differ in relative size and form. The greatest skull length for males is , and they are wide, while the skulls of females measure in length and in width.
Fur Fur is a thick growth of hair that covers the skin of mammals. It consists of a combination of oily guard hair on top and thick underfur beneath. The guard hair keeps moisture from reaching the skin; the underfur acts as an insulating blanket ...
colour is predominantly dark brown with a violet tint. Light coloured individuals are rarely encountered.


Distribution

It is native to the
Anadyrsky District Anadyrsky District (russian: Ана́дырский райо́н; Chukchi: , ''Kagyrgyn rajon'') is an administrativeLaw #33-OZ and municipalLaw #148-OZ district (raion), one of the six in Chukotka Autonomous Okrug, Russia. It is located in the c ...
, the
Kamchatka Peninsula The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and west ...
, Karaginskiy Island, the
Kuril Islands The Kuril Islands or Kurile Islands (; rus, Кури́льские острова́, r=Kuril'skiye ostrova, p=kʊˈrʲilʲskʲɪjə ɐstrɐˈva; Japanese: or ) are a volcanic archipelago currently administered as part of Sakhalin Oblast in the ...
, the coastal strip west of the
Sea of Okhotsk The Sea of Okhotsk ( rus, Охо́тское мо́ре, Ohótskoye móre ; ja, オホーツク海, Ohōtsuku-kai) is a marginal sea of the western Pacific Ocean. It is located between Russia's Kamchatka Peninsula on the east, the Kuril Island ...
southward to the
Stanovoy Range The Stanovoy Range (russian: Станово́й хребе́т, ''Stanovoy khrebet''; sah, Сир кура; ), is a mountain range located in the Sakha Republic and Amur Oblast, Far Eastern Federal District. It is also known as Sükebayatur a ...
, and the
Shantar Islands The Shantar Islands (russian: Шантарские острова, translit=Shantarskiye ostrova) are a group of fifteen islands located off the northwestern shore of the Sea of Okhotsk east of Uda Gulf and north of Academy Bay. Most of the isla ...
in the Far East. Outside the former Soviet Union, the subspecies occurs in
Saint Lawrence Island St. Lawrence Island ( ess, Sivuqaq, russian: Остров Святого Лаврентия, Ostrov Svyatogo Lavrentiya) is located west of mainland Alaska in the Bering Sea, just south of the Bering Strait. The village of Gambell, located on th ...
in the
Bering Sea The Bering Sea (, ; rus, Бе́рингово мо́ре, r=Béringovo móre) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasses on Earth: Eurasia and The Ame ...
. It is closely related to one clade of
brown bear The brown bear (''Ursus arctos'') is a large bear species found across Eurasia and North America. In North America, the populations of brown bears are called grizzly bears, while the subspecies that inhabits the Kodiak Islands of Alaska is kn ...
s in
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
and northwest North America, and is thought to be the ancestor of the
Kodiak bear The Kodiak bear (''Ursus arctos middendorffi''), also known as the Kodiak brown bear, sometimes the Alaskan brown bear, inhabits the islands of the Kodiak Archipelago in southwest Alaska. It is the largest recognized subspecies or population ...
.


Behaviour and ecology

In the summer period they feed on
blueberries Blueberries are a widely distributed and widespread group of perennial flowering plants with blue or purple berries. They are classified in the section ''Cyanococcus'' within the genus ''Vaccinium''. ''Vaccinium'' also includes cranberries, b ...
,
crowberries ''Empetrum nigrum'', crowberry, black crowberry, or, in western Alaska, blackberry, is a flowering plant species in the heather family Ericaceae with a near circumboreal distribution in the Northern Hemisphere. It is usually dioecious, but ther ...
,
humpback salmon Pink salmon or humpback salmon (''Oncorhynchus gorbuscha'') is a species of anadromous fish in the salmon family. It is the smallest and most abundant of the Pacific salmon. The scientific species name is based on the Russian common name for ...
, and
steelhead Steelhead, or occasionally steelhead trout, is the common name of the anadromous form of the coastal rainbow trout or redband trout (O. m. gairdneri). Steelhead are native to cold-water tributaries of the Pacific basin in Northeast Asia and ...
. In autumn, they eat nuts from nut-pines and mountain ash, and fish. In times of famine they eat dead fish or marine mammals,
berries A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit, although many pips or seeds may be present. Common examples are strawberries, ras ...
, and graminoid vegetation.


Relationship with humans

Kamchatka brown bears are generally not dangerous to humans, and only 1% of encounters result in attack. The first Europeans who went to Kamchatka in the 19th century, although surprised by the number and size of bears there, observed that they were relatively harmless, compared to their Siberian counterparts. However, in July 2008, a
platinum Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish , a diminutive of "silver". Platin ...
-mining compound in the
Olyutorsky District Olyutorsky District (russian: Олю́торский райо́н) is an administrativeLaw #46 and municipalLaw #339-oz district (raion) of Koryak Okrug of Kamchatka Krai, Russia, one of the eleven in the krai. It is located in the northeast of t ...
of Kamchatka Krai was besieged by a group of 30 starving bears who killed two guards.


Trophy hunting

Kamchatka brown bears are among the most prized trophies for the Russian hunting industry. In 2005 the Kamchatka Department of Wildlife Management issued 500 hunting permits. Clients paid up to $10,000 to hunt bears. Thus, the economic impacts from recreational hunting of Kamchatka brown bears are significant.


References


External links


Photos of the Kamchatka Brown Bear (Ursus arctos beringianus)
by Klaus Nigge {{Taxonbar, from=Q932079 Eurasian brown bears Carnivorans of Asia Endemic fauna of Russia Fauna of Siberia Mammals of Russia Endemic fauna of Kamchatka Kuril Islands Mammals described in 1851