[202] Mothers defending cubs are the most prone to attacking, being responsible for 70% of brown bear-caused human fatalities in North America. Family: Ursidae 2011). Young adolescent males tend to be least aggressive and have been observed in nonantagonistic interactions with each other. [19] It is speculated that brown bears were unable to migrate south until the extinction of the much larger giant short-faced bear (Arctodus simus). [12][55][68] Another extant ursine bear, the sloth bear (Melursus ursinus), has a proportionately longer skull than the brown bear and can match the skull length of even large brown bear subtypes, presumably as an aid for foraging heavily on insect colonies for which a long muzzle is helpful as an evolved feature in several unrelated mammalian groups. Order: Carnivoria Similarly, in British Columbia, bears of the two sexes travel relatively compact home ranges of 115 km2 (44 sq mi) and 318 km2 (123 sq mi). If the mother does not gain enough weight to survive through the winter while gestating, the embryo does not implant and is reabsorbed into the body. Generally, genetic testing uses the word clade rather than species because a genetic test alone cannot define a biological species. English: Arcturus Greek: άρκτος (árktos), αρκούδα (arkoúda) Latin: arctus, Arctos, Arctus, Arctūrus Pontic Greek: άρκος (árkos) Translingual: Ursus arctos, Ursus arctos horribilis References []. [72][127][128] Older and larger females within a population tend to give birth to larger litters[129] The size of a litter also depends on factors such as geographic location and food supply. [58] They have long, thick fur, with a moderately long mane at the back of the neck which varies somewhat across the types. The fishing techniques of bears are well-documented. Meaning of Ursus arctos. Such bears are usually taught how to hunt by their mothers from an early age. The brown bear is one of the most omnivorous animals in the world and has been recorded as consuming the greatest variety of foods of any bear. Meaning of ursus arctos. Ursus arctos +2aa: CoP7 Prop. [169] Beyond predation by large predators including wolves, Siberian tigers and other brown bears, starvation and accidents also claim the lives of cubs. [12] Plants and fruit farmed by humans are readily consumed as well, including corn, wheat, sorghum, melons and any form of berries. Due to their claw structure, in addition to their excessive weight, adult brown bears cannot typically climb trees as well as both species of black bear, although in rare cases adult female brown bears have been seen in trees. Phylum: Chordata The scientific name of the brown bear, Ursus arctos, comes from the Latin , meaning "bear",Liddell, Henry George and Scott, Robert. [161] They will eat the fruit dropped by the Asian black bear from trees, as they themselves are too large and cumbersome to climb. As brown bears reclaim parts of their range, they may eat livestock as sheep and goats are relatively easy for a bear to kill. Grizzly bear scat is difficult to differentiate from American black bear scat, as diet is in a constant state of flux depending on the availability of seasonal food items. A Middle Eastern subspecies of the brown bear Ursus arctos, the Syrian brown bear is considered extinct throughout much of its former range, which once stretched as far south as the Sinai Peninsula. A Latin Dictionary. Eastern Russian forests hold arguably the largest number of brown bears in the world outside of possibly Alaska and northeastern Canada. [92] The Syrian brown bear (Ursus arctos syriacus) is very rare and it has been extirpated from more than half of its historic range. In 2006, the occurrence of this hybrid in nature was confirmed by testing the DNA of a strange-looking bear that had been shot in the Canadian Arctic, and seven more hybrids have since been confirmed in the same region, all descended from a single female polar bear. You are not logged in.. Dictionary entry overview: What does Ursus arctos horribilis mean? A Greek-English Lexicon. (2009). The rear feet of adult bears have been found to typically measure 21 to 36 cm (8.3 to 14.2 in) long, while the forefeet tend to measure about 40% less in length. The brown bear is often described as nocturnal. The brown bear (Ursus arctos) is a large bear species found across Eurasia and North America. This tree shows that the Ursidae are most closely related to the Perseus Digital Library. In his Great Bear Almanac, Gary Brown lists 11 different sounds bears produce in nine different contexts. [59] In India, brown bears can be reddish with silver-tipped hairs, while in China brown bears are bicolored, with a yellowish-brown or whitish collar across the neck, chest and shoulders. "[189] Yellowstone National Park, a reserve located in the western United States, contains prime habitat for the grizzly bear (Ursus arctos horribilis) and due to the enormous number of visitors, human-bear encounters are common. : Le Grizzli (Ursus arctos horribilis), aussi appelé Ours brun, est un grand MAMMIFÈRE de l'ordre des CARNIVORES. Typically, they allow the herds to graze freely over sizeable tracts of land. [218], The Russian bear is a common national personification for Russia (as well as the former Soviet Union), despite the country having no appointed national animal. Retrieved 15 September 2011. [75][55][116][117][118][119][109][120] Paternity DNA tests have shown that up to 29% of cubs in a litter will be from two to three different males. carnivorians) with long snouts and non-retractile claws (Wallace, 1997). [3][4][5][6][7] The brown bear's range includes parts of Russia, Central Asia, China, Canada, the United States, Hokkaido, Scandinavia, the Balkans, the Picos de Europa and the Carpathian region (especially Romania and Bulgaria), Iran, Anatolia, and the Caucasus. In Arctic areas, the potential habitat of the brown bear is increasing. Mammalia Meaning of ursus arctos. [22] The oldest fossils positively identified as from this species occur in China from about 0.5 million years ago. [216] A page at the State of Alaska Department of Natural Resources website offers information about how to "select a gun that will stop a bear (12-gauge shotgun or .300 mag rifle)". Reproduction is dioecious.They rely on running to move around. [150] Geptner et al. [90] Similarly, predatory attacks on large prey sometimes occur at riverbeds, when it is more difficult for the prey specimen to run away due to muddy or slippery soil. In some areas, grizzly bears also regularly displace cougars from their kills. [52][115] The adult female brown bear is similarly promiscuous, mating with up to four, rarely even eight, males while in heat and potentially breeding with two males in a single day. The first three molars of the lower jaw are very weak, and are often lost at an early age. Meaning of ursus arctos. They tend to dominate polar bears in disputes over carcasses,[164] and dead polar bear cubs have been found in brown bear dens. This creates a further depressive effect on an already-endangered subspecies. [90] To pick out young or infirm individuals, bears will charge at herds so the slower-moving and more vulnerable individuals will be made apparent. polar bear. Found 58 sentences matching phrase "Ursus".Found in 6 ms. [114][125][126] There are records of females sometimes adopting stray cubs or even trading or kidnapping cubs when they emerge from hibernation (a larger female may claim cubs away from a smaller one). While they may eat almost all the parts of the fish, bears at the peak of spawning, when there is usually a glut of fish to feed on, may eat only the most nutrious parts of the salmon (including the eggs and head) and then indifferently leave the rest of the carcass to scavengers, which can include red foxes, bald eagles, common ravens and gulls. What does ursus mean? The scientific name for the grizzly [72] In western Eurasia, they inhabit mostly mountainous woodlands, in ranges such as the Alps, the Pyrenees and the Caucasus, though they may have been driven into more wooded, precipitous habitats due to the prior extensive persecution of the species in some regions. [111] That study found surprisingly similar Y chromosomes in brown bear populations as far apart as Norway and coastal Alaska, indicating extensive gene flow across Eurasia and North America. bear and the Greek word, arctos, also meaning bear (Wallace, 1997). Ursus arctos: …Ursus arctos lasiotus, Ursus arctos marsicanus, Ursus arctos meridionalis, ... WordSense.eu - English dictionary containing information about the meaning, the spelling and more.We answer the question: What does middendorffi mean? In 1893 the bones of a cave-bear (Ursus spelaeus) were taken from a cavern of the Bjelasnica range, in Herzegovina, a discovery without parallel in the Balkan Peninsula. [40][41] These data demonstrate that U. a. gyas, U. a. horribilis, U. a. sitkensis and U. a. stikeenensis are not distinct or cohesive groups, and would more accurately be described as ecotypes. To date, there is a single case of fully-grown wolves being killed by a grizzly bear. Although displacement of black bears by grizzly bears has been documented, actual interspecific killing of black bears by grizzlies has only occasionally been reported. Animalia [130] At birth, the cubs are blind, toothless and hairless and may weigh from 350 to 510 g (0.77 to 1.12 lb), again reportedly based on the age and condition of the mother. Kodiak bear definition, a large, brown bear, Ursus (arctos) middendorffi, inhabiting coastal areas of Alaska and British Columbia, that grows to a length of 9 feet (2.7 meters). [69] They are generally dark with a light tip, with some forms having completely light claws. In Alaska, bears along the beaches of estuaries regularly dig through the sand for clams. This name originated in the fable History of Reynard the Fox translated by William Caxton from Middle Dutch bruun or bruyn, meaning brown (the color). The mating systems within the genus Ursus are primarily classified as polygynous, polyandrous and promiscuous. In some cases, the shepherds shoot the bear, thinking their livelihood is under threat. [167] The oldest recorded female in captivity was nearly 40 years old, while males in captivity have been verified to live up to 47 years, with one captive male possibly attaining 50 years of age. Genus: Ursus Ursidae [12], There are many methods used by scientists to define bear species and subspecies, as no one method is always effective. [43], Brown bears are apparently divided into five different clades, some of which coexist or co-occur in different regions.[2]. The dump was closed after both brown and American black bears came to associate humans with food and lost their natural fear of them. [105][106] Dominance between bears is asserted by making a frontal orientation, showing off canines, muzzle twisting and neck stretching to which a subordinate will respond with a lateral orientation, by turning away and dropping the head and by sitting or lying down. North American grizzlies can be dark brown (almost black) to cream (almost white) or yellowish-brown and often have darker-colored legs. [62] Brown bears have very strong teeth: the incisors are relatively big and the canine teeth are large, the lower ones being strongly curved. [1][2][6] Populations that were hunted to extinction in the 19th and 20th centuries are the Atlas bear of North Africa and the Californian, Ungavan[10][11] and Mexican populations of the grizzly bear of North America. wolves, Despite that most stations were cautiously set in remote areas far from human habitations, some brown bears in such areas have become conditioned to associate humans with food and become excessively bold "problem bears". Add thesaurus 100. The Chicago National Football League (NFL) franchise is named the Bears. They In large coastal or Kodiak bear males, the hindfoot may measure up to 40 cm (16 in) in length, 28.5 cm (11.2 in) in width, while outsized Kodiak bears having had confirmed measurements of up to 46 cm (18 in) along their rear foot. Servheen, C., Waller, J., & Kasworm, W. (1998). [1][2] However, the California grizzly bear, Ungavan brown bear, Atlas bear and Mexican grizzly bear, as well as brown bear populations in the Pacific Northwest, were hunted to extinction in the 19th and early 20th centuries and many of the southern Asian subspecies are highly endangered. [9], While the brown bear's range has shrunk, and it has faced local extinctions, it remains listed as a least concern species by the International Union for Conservation of Nature (IUCN) with a total estimated population in 2017 of 110,000. Pronounce word 150. [109] When an adult male brown bear kills a cub, it is usually because he is trying to bring the female into oestrus, as she will enter that state within two to four days after the death of her cubs. Today, there is still a shrine at Rokusensawa (六線沢), where the event took place in memory of the victims of the incident. Between 1980 and 2002, there have been only two human injuries caused by grizzly bears in a developed area. Many are now better informed about the ample compensation available and will make a claim when they lose livestock to a bear. [93] One of the smallest-bodied subspecies, the Himalayan brown bear (Ursus arctos isabellinus), is critically endangered, occupying only 2% of its former range and threatened by uncontrolled poaching for its body parts. [167][207] In 2008, a platinum mining compound in the Olyotorsky district of northern Kamchatka was besieged by a group of 30 bears, who killed two guards and prevented workers from leaving their homes. The cubs are born eight weeks later while the mother sleeps. Arctic. ... Ursus meaning. [100][101], Brown bears have one of the largest brains of any extant carnivoran relative to their body size and have been shown to engage in tool use (e.g., using a barnacle-covered rock to scratch its neck), which requires advanced cognitive abilities. [208] 10 people a year on average are killed by brown bears in Russia, more than all the other parts of the brown bear's international range combined, although Russia also holds more brown bears than all other parts of the world combined. 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