Kodiak brown bear
Taxonomic status:
Door door chordata chordate
Amon vertebrate subphylum vertebrata
Gang mammalia mammalia
Head carnivora Carnivora
Division of the bear family ursidae
Bear subfamily subfamily ursinae
Is a brown bear is ursus
Species of brown bear u.arctos
Kodiak brown bear is the largest brown bear subspecies in size, they are great physique enough and the white neighbors - the polar bear to compete. The Grand Duchy of an adult Kodiak bear can stand up to 3 meters and weighing over 680 kg, and this is not uncommon for there big guy. A record of the public bear the heaviest weighing 1,134 kg weight, the poor fat guy from Kodiak island, sent directly captured alive after the Berlin Zoo.
Kodiak brown bear body of strong build, shoulder uplift, thick dense coat has a different color, such as gold, brown, black and dark brown and so on. To further the long winter coat, the longest to go to 10cm, to the shorter summer again, the deep color over the winter. Tippy coat color of some brown bear lighter, or even almost white, which makes them look threw a layer of silver gray body, "Grizzlies," the name also consequent follow. Kodiak brown bear on the uplift of the shoulders and back of forearm muscles to make them very powerful, Zhao Jian forepaw of the longest to go to 15cm. Zhao Jian, as the cats can not claw that retracts the sheath, these Zhao Jian relatively blunt. Nevertheless, they swing the forearm at the time of the amazing power of "blunt" can still cause tremendous damage to claws. It is said that an adult big brown bear, paws of the swing enough to break the buffalo's back, showing great strength should not be overlooked. Although the length of the brown bear's claws, they are not good at climbing trees, large body size of adult brown bear, claws longer length estimation can not bear such weight. In addition, people do not look bulky appearance, their running speed of 56 km per hour, the endurance is very good, they can run continuously with the speed of such a few miles no problem. And sinking huge head compared to their ears seem rather small, thick, long hair when they put on winter clothes, and that is looming for small ears. Brown bear's snout is wide, there were 42 teeth, including two large canine teeth. Like other animals, the bear family, they also stumble-type animals, and having a short tail.
Overall, the Kodiak brown bear out the general activities in the twilight hours, while the rest during the day hiding in the nest, but also some restless guy could walk around at any time. The nest is usually built in the brown bear was better hidden on the hillside, or under large stones, or among the roots of the tree, they sometimes dig yourself a hole, and then collecting some of the hay and the like into the nest shop to clean up the comfortable nest, a nest in use for several years sometimes. -12 Months into October, it means to sleep in winter time coming, but this is not winter sleep, hibernation that people previously believed. Metabolic rate because they are not really hibernating animals like those that fell to very low, and these sleeping bear may wake up at any time. Even so, not all of the brown bear will participate in winter and sleep action. Such as those living in the south of the brown bear, the climate is not as bad as winter food were also more security in their time to sleep may be short, even without such a long sleep. Brown bears are active to start the season in the second year in March -5 April, but the exact time depends on the location of living, climate and other factors.
Kodiak brown bear is a very aggressive animals, especially in the protection of territory and food time. To protect the food, they will drive away the wolves and mountain lions, will dislodge the other bears invade their territory. But most fights are still concentrated in the mating season event. Female brown bears to child-rearing, usually mate only once every 3-5 years, as soon as possible to allow them into the mating female bear phase, the males who will look for opportunities to kill the mother bear children, despite the brave in the face of these mothers It is 1.5 times large body type or even tripled when struggling to fight the guy, but there is still the youngest son in the death of 45% of the males who acts.
Kodiak brown bear mating season is usually in April each year in May -7. Mother bear about 180-266 days of pregnancy, when they give birth to 1-3 babies, usually two. Babies are very small when born, only 300 grams, they stayed with her mom and two and a half to four and a half (the results have aroused public anger bear: () until after the rush to the world. Children usually grow to sexual maturity until 4-6 years of age, but also to physiological maturity until 10-11 years old. a living in the wild life of the brown bear are about 20-30 years, of course, a lot of brown bears in their first life few years came to an end. in captivity, the bears live the longest life expectancy to 50 years.
Kodiak brown bear is pursued first single animal. They have their own territory, and often quite broad, because the vast territory allows them enough to live comfortably, but also easier to find love. Brown bears living in the interior of a large territory, the males may have 700-1000 square kilometers of territory is huge, even if the adult female bears have 100-450 square kilometers, requires inspections; and those living in the island territory of the beach of the guys smaller number, the males are usually only 133-219 square kilometers, the mother bear is 28-92 square kilometers. Brown bear territory they intersect is more common, the public will bear territory and a few times a bear phase interleaved. The change of seasons will bring changes in types of food and resources, such as salmon spawning and berries yield the harvest season, when they walk hundreds of kilometers may temporarily migrate to the most abundant local food chewing something. This time the bears are always large group gathered together, reason that bears the difference between the different levels at a glance. The highest level of the Grand Duchy of those who bear the huge size, while the lowest level, threatening the least are those newly independent young men and women soon. Although a single mother with children came in second, but it is quite a dangerous, out of youngest son's care, these mothers are always very aggressive.
Kodiak brown bear is omnivorous. Their recipe is the same difference with the seasons change. In general, accounting for 60-90% of plant food, which includes a variety of plant roots, tubers, fodder, grain and various fruit and so on. The rest are animal foods such as insects, rodents, ungulates (eg, elk, caribou, moose, etc.), fish and carrion and so on. Sometimes they even kill the appropriate opportunity to head a small black bear than they eat. Brown bears living in the coastline around the annual salmon spawning season in a chance and flew into the water while enjoying nutrient-rich salmon meal. |