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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 In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
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 kno ...
.


Description

The Kamchatka brown bear is the biggest brown bear in
Eurasia Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago a ...
, 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 o ...
; however, the skull is broader than that of the
Ussuri brown bear The Ussuri brown bear (''Ursus arctos lasiotus''), also known as the Ezo brown bear, Russian bear, or the black grizzly bear, is a subspecies of the brown bear or a population of the Eurasian brown bear (''U. a. arctos''). One of the largest br ...
, 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 t ...
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 ce ...
, 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 we ...
, 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 Islands ...
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 The ''Far East'' was a European term to refer to the geographical regions that includes East and Southeast Asia as well as the Russian Far East to a lesser extent. South Asia is sometimes also included for economic and cultural reasons. The ter ...
. Outside the
former Soviet Union The post-Soviet states, also known as the former Soviet Union (FSU), the former Soviet Republics and in Russia as the near abroad (russian: links=no, ближнее зарубежье, blizhneye zarubezhye), are the 15 sovereign states that wer ...
, 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, Alaska, Gambell ...
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 Ameri ...
. It is closely related to one
clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
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 kno ...
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 North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, 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 o ...
.


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, bi ...
, crowberries,
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 N ...
. In autumn, they eat
nut Nut often refers to: * Nut (fruit), fruit composed of a hard shell and a seed, or a collective noun for dry and edible fruits or seeds * Nut (hardware), fastener used with a bolt Nut or Nuts may also refer to: Arts, entertainment, and media Co ...
s from nut-pines and mountain ash, and
fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...
. 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, raspb ...
, 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". Platinu ...
-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 the ...
of
Kamchatka Krai Kamchatka Krai ( rus, Камча́тский край, r=Kamchatsky kray, p=kɐmˈtɕatskʲɪj kraj) is a federal subject of Russia (a krai), situated in the Russian Far East, and is administratively part of the Far Eastern Federal District. Its ...
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