Learn About The Awesome Grizzly - Brown Bear

A Kodiak bear (U. arctos middendorffi) in Katmai National Park, Alaska

The brown bear (Ursus arctos) is a large bear distributed across much of northern Eurasia and North America. It can weigh from and its largest subspecies, the Kodiak Bear, rivals the polar bear as the largest member of the bear family (Overview page) and as the largest land-based predator.

There are several recognized subspecies within the brown bear species. In North America, two types are generally recognized, the coastal brown bear and the inland grizzly, and the two types could broadly define all brown bear subspecies. Grizzlies weigh as little as 350 lb (159 kg) in Yukon, while a brown bear, living on a steady, nutritious diet of spawning salmon, from coastal Alaska and Russia can weigh 1,500 lb (682 kg). The exact number of overall brown subspecies remains in debate.

While the brown bear's range has shrunk, and it has faced local extinctions, it remains listed as a least concern species by the IUCN, with a total population of approximately 200,000. Its principal range countries are Russia, the United States (mostly in Alaska), Canada, the Carpathian region (especially Romania, but also Ukraine, Slovakia, etc.), the Balkans, Sweden and Finland, where it is the national animal. The brown bear is the most widely distributed of all bears.

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The Alaska Science Center ranks the following as the most likely reasons for bear attacks:

1. Surprise


2. Curiosity


3. Invaded personal space (this includes a mother bear protecting her young)


4. Predatory intent


5. Hunting wounded


6. Carcass defense


7. Provoked charge

The largest of living carnivores, grizzly bears are 5 - 8 feet in length from head to rump.

Grizzly bears are also carnivorous, feeding on moose, caribou, mountain sheep and goats

Bears have been known to live and reproduce at 25 years of age, with a potential life span of up to 35 years.

Brown bears may excavate shallow depressions in which to lay, commonly referred to as day beds.

Ursus arctos begins hibernation in November - December, and resumes activity in March - April, with the exact period dependent on the location, weather, and condition of the individual.

The brown bear has been long considered the most dangerous animal in North America, although real danger of attack is often exaggerated. In general, brown bears attempt to avoid human contact and will not attack unless startled at close quarters with young or engrossed in a search for food. However, they are very unpredictable in temperament, and often exhibit impulsive and petulant behavior.


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The word "grizzly" in its name refers to "grizzled" or grey hairs in its fur, but when naturalist George Ord formally named the bear in 1815, he misunderstood the word as "grisly", to produce its biological Latin specific or subspecific name "horribilis"

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The grizzly bear (Ursus arctos horribilis), also known as the silvertip bear or just the grizzly or North American brown bear, is a subspecies of brown bear (Ursus arctos) that generally lives in the uplands of western North America. This subspecies is thought to descend from Ussuri brown bears which crossed to Alaska from eastern Russia 100,000 years ago, though they did not move south until 13,000 years ago..

Grizzlies are normally Category: wiktionary - :solitary|solitary, active animals, but in coastal areas, the grizzly congregates alongside streams, lakes, rivers, and ponds during the salmon spawn. Every other year, females (sows) produce one to four young (commonly two) which are small and weigh only about 500 grams (one pound). A sow is protective of her offspring and will attack if she thinks she or her cubs are threatened.

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Català: Ós bru

Dansk: Brun bjørn
Deutsch: Braunbär
Eesti: Karu, Pruunkaru

Español: Oso pardo
Esperanto: Bruna urso

Italiano: Orso Bruno
Magyar: Barna medve
Nederlands: Bruine beer

Português: Urso-pardo
Shqip: Ariu i murrme

Suomi: Karhu, ruskeakarhu, maakarhu
Svenska: Brunbjörn

Es un habitante característico de los bosques maduros de Europa, Asia templada y América del Norte. En este vasto territorio aparece bajo cierto número de subespecies, que se diferencian unas de otras por la coloración y el tamaño, hasta tal punto que antiguamente se les consideraba como especies autónomas. Podemos citar, por ejemplo, a los grandes grizzlys (Ursus arctos horribilis) y el Kodiak (Ursus arctos middendorffi); este último es la raza de mayor tamaño.

Su longevidad es de 25 - 30 años (máximos conocidos de 34 años en estado silvestre y 47 en cautividad). Tiene una longitud corporal que varía de 1,50 - 2,95 m, dependiendo de la subespecie, y una altura en la cruz de hasta 1,30 m. Su peso también varía, desde los 100 hasta los 675 kg. El color es muy variable de un individuo a otro. Puede variar entre el marrón muy oscuro y el dorado claro, pasando por diversas gamas de grises. Las crías suelen presentar un collar blanquecino más o menos amplio alrededor del cuello, marca que habitualmente desaparece a partir de la primera muda al año de edad, pero puede quedar algún resto en los adultos. El pelaje se renueva una vez al año, en la época estival. La visión no la tiene muy desarrollada; comparada con otros sentidos, aunque sí puede ver en color durante la noche. A larga distancia reconocen formas pero no detalles, y detectan mucho mejor animales u objetos en movimiento que inmóviles.

Wikipedia

Brown Bear, Brown Bear, What Do You See? My First Reader [Hardcover]

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Blindsided: Surviving a Grizzly Attack and Still Loving the Great Bear [Bargain Price] [Hardcover]

Le grizzli ou grizzly (Ursus arctos horribilis, Ord, 1815), est un mammifère carnivore de la famille des ursidés, considéré comme une sous-espèce de l'ours brun, commune au Nord des États-Unis et au Canada. À l'état sauvage il existe entre 30 000 et 45 000 individus.

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