(DeMaster and Stirling, 1981; Nowak, 1999), Polar bears are considered by many to be marine mammals. (DeMaster and Stirling, 1981; Nowak, 1999; Ramsey and Stirling, 1988), In the wild polar bears are estimated to live 25 to 30 years.

The binomial name of polar bears is Ursus maritmus. (Nowak, 1999), Polar bear populations were recently considered to be stable or growing in some areas. the area in which the animal is naturally found, the region in which it is endemic. The binomial or scientific name is also known as Latin Name. Please, email us to describe your idea. Females are smaller, weighing 150 to 300 kg (330 to 660 lbs) and measuring 1.8 to 2 m in length. All rights reserved. The term is used in the 1994 IUCN Red List of Threatened Animals to refer collectively to species categorized as Endangered (E), Vulnerable (V), Rare (R), Indeterminate (I), or Insufficiently Known (K) and in the 1996 IUCN Red List of Threatened Animals to refer collectively to species categorized as Critically Endangered (CR), Endangered (EN), or Vulnerable (VU). Aristotle was the first person to divide the entire living things into plants and animals.

Add new content to your site from Sensagent by XML. living in the northern part of the Old World. Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Accessed November 06, 2020 at https://animaldiversity.org/accounts/Ursus_maritimus/. Ursus maritimus One of the earth’s largest and most powerful carnivores, the polar bear is found in all the world’s arctic seas and coastal lines. You can also try the grid of 16 letters. generally wanders from place to place, usually within a well-defined range. (DeMaster and Stirling, 1981; Talbot and Shields, 1996).

Bears will travel as much as 1,000 km north and south, as the ice melts and freezes. Nowak, R. 1999.

In birds, naked and helpless after hatching. The high caloric value of blubber relative to meat is important to bears for maintaining an insulating fat layer and storing energy for times when food is scarce. The literal meaning of the word ursus in Latin is bear. This suggests that polar bears have evolved fairly recently from a brown bear ancestor and that brown bear genetic structure is more complicated than previously thought. The English word games are: at http://endangered.fws.gov/wildlife.html. Walker's Mammals of the World. living in the Nearctic biogeographic province, the northern part of the New World. and across multiple seasons (or other periods hospitable to reproduction). (DeMaster and Stirling, 1981; Nowak, 1999), Polar bears have a sequential polygynous mating system. The literal meaning of the word ursus in Latin is bear. English Encyclopedia is licensed by Wikipedia (GNU).

Find out more, être vivant : selon un critère physique (fr), (white), (fair; white), (fairness; white; whiteness), ice bear, polar bear, Thalarctos maritimus, Ursus Maritimus, an offensive content(racist, pornographic, injurious, etc.

Journal of Zoology, 214: 601-634. The white appearance is the result of light being refracted from the clear hair strands. Bears often leave a kill after consuming only the blubber. They will emerge from the den in spring weighing 10 to 15 kg. Commercial and sport hunting of polar bears increased in the 1900s as the price of pelts reached as much as $3000. Two deaths resulting from polar bear encounters have been reported. The soles of both hind and fore feet are furred for insulation and traction while walking on ice and snow. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. the regions of the earth that surround the north and south poles, from the north pole to 60 degrees north and from the south pole to 60 degrees south. By using our services, you agree to our use of cookies. When a bear sees a seal basking out of the water it will use a stalking technique to get close, then make an attempt at catching it.

With a SensagentBox, visitors to your site can access reliable information on over 5 million pages provided by Sensagent.com. In instances where bears encounter each other, the smaller bear will tend to run away. This includes Greenland, the Canadian Arctic islands, and all of the North American as far south as the highlands of central Mexico. This material is based upon work supported by the This includes mammals, reptiles, birds, amphibians and fish. Animals are multicellular, eukaryotic organisms.

Soils usually subject to permafrost. An average of 2 cubs are born in the mother's den between November and January, litter sizes can range from 1 to 4. Historically, polar bears have been hunted by the native peoples of the arctic for fur and meat. 1988. Polar bears have a plantigrade gait. Male polar bears may prey on cubs if they come into contact. ], animal eater, carnivore, flesh-eater - mammal genus[Hyper. Polar Bear. DeMaster, D., I. Stirling. They also hunt bearded seals (Erignathus barbatus), harp seals (Pagophilus groenlandicus), hooded seals (Cystophora cristata), walruses (Odobenus rosmarus), sea birds and their eggs, small mammals, fish and scavenge on carrion of seals, walruses, or whales. (DeMaster and Stirling, 1981; Nowak, 1999; Ramsey and Stirling, 1988), Mating occurs in late winter and early spring, from March to June. Polar bears, black bears, and brown bears occur in the genus Ursus. A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your webpage. mainly lives in oceans, seas, or other bodies of salt water. During the summer, bears will remain at the edge of the receding ice pack or on islands and coastal regions that retain landfast ice. In fact, polar bears have been shown to be genetically more closely related to certain brown bear populations than are some brown bear populations to others. A terrestrial biome with low, shrubby or mat-like vegetation found at extremely high latitudes or elevations, near the limit of plant growth. a species whose presence or absence strongly affects populations of other species in that area such that the extirpation of the keystone species in an area will result in the ultimate extirpation of many more species in that area (Example: sea otter). Give contextual explanation and translation from your sites ! Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes). Vertebrates have backbone while invertebrates lack one. young are born in a relatively underdeveloped state; they are unable to feed or care for themselves or locomote independently for a period of time after birth/hatching. "The 2000 IUCN Red List of Threatened Species" (On-line). (DeMaster and Stirling, 1981; Nowak, 1999), Polar bears are solitary.