ursus maritimus

In recent decades more polar bears have been forced to remain longer on land so their access to seals is limited. Ursus Maritimus - white bear of Arctic regions.


Polar Bear Ursus Maritimus Distribution Canada Denmark Greenland Norway Russian Federation Usa Circumpolar Arctic Mari Eisbar Fakten Eisbar Raubtier

American black bears Ursus amercanus brown bears Ursus arctos and polar bears Ursus maritimus all have mating seasons occurring within a three-month duration during the spring and summer months approximately May July with delayed implantation occurring in late fall November and cubs born within the den during early winter January.

. Other names were suggested including Thalassarctos Thalarctos and Thalatarctos. Ursus maritimus are facing a range of threats that might impact their future population status see section Threats below. Mammal Species of the World v3 2005 link.

The polar bear Ursus maritimus is one of the species most endangered by the rapidly declining seaice cover in the Arctic which they use as a platform to hunt fatty high-energy seals. Ad ursus ursus Heute bestellen versandkostenfrei. Select Format Select format ris Mendeley Papers Zotero enw EndNote bibtex BibTex txt Medlars RefWorks Download citation.

Genus Thalarctos Thalarctos - polar bears. Ursus maritimus Phipps 1774 Type locality. Ad Folge Deiner Leidenschaft bei eBay.

29073 for references in articles please use NCBItxid29073 current name. Ursus maritimus Polar Bears are one of the archetypal polar animals associated with snow ice and cold temperatures fending off the weather by being all wrapped up in a big fluffy thick white fur coat. Thalassarctos labradorensis Knottnerus-Meyer 1908.

Der Eisbär ist am nächsten mit dem Braunbären verwandt. Phipps 1774 first described the Polar Bear as a distinct species and named it Ursus maritimus. Erdbrink 1953 and Thenius 1953 ultimately settled on Ursus Thalarctos maritimus because of interbreeding between Brown Bears Ursus arctos and Polar Bears in zoos.

Ursus marinus Pallas 1776. Ursus maritimus Phipps 1774. Ursus maritimus Phipps 1774 old web site Vulnerable Wikispecies has an entry on.

We evaluated changes in the distribution of. Thalassarctos eogroenlandicus Knottnerus-Meyer 1908. Ursus maritimus Name Synonyms Thalarctos maritimus Phipps 1774 Thalarctos polaris Gray 1825 Ursus maritimus marinus Pallas 1776 Ursus maritimus maritimus Ursus polaris Shaw 1792 Homonyms Ursus maritimus Phipps 1774 Ursus maritimus Linnaeus 1758 Common names Ariu i bardhe in Albanian Baltasis lokys in Lithuanian.

We therefore based our Red List assessment on this threat factor only recognizing that sea-ice conditions may not. The polar bear Ursus maritimus Phipps 1774 is the largest of the eight species of bears found worldwideThis species lies in the family Ursidae ursid meaning bear within the genus UrsusThe latter contains the black and brown bears as well as the white bearor the ice bearor the sea bearor as it is most commonly knownthe polar bear. Ursus maritimus is the largest terrestrial carnivore Giuseppe Mazza.

Ihre Linien haben sich vermutlich erst vor rund 400000 Jahren getrennt. The name Ursus maritimus means maritime bear. Bear - massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws.

Omnium ursorum maximus tantummodo in regionibus septentrionalibus sive borealibus ut in civitate Alaskana in Canadae et Norvegiae locis septentrionalibus reperitur. Aktuelle Preise für Produkte vergleichen. Ursus polaris Shaw 1792.

Spitsbergen Norway Synonyms. Thalassarctos jenaensis Knottnerus-Mayer 1908. Ursus maritimus pronunciation with meanings synonyms antonyms translations sentences and more.

In some classifications not a separate genus from Ursus. Ursus maritimus est mammale familiae Ursidarum animal ferocitate velocitate pulchritudine et corporis magnitudine insigne quod praeter nasum oculos unquesque nigros paene totum albi coloris est. Bears will travel as much as 1000 km north and south as the ice melts and freezes.

Ursus maritimus Taxonomy ID. Ursus maritimus Phipps 1774 old web site Vulnerable. The IUCN Polar Bear Specialist Group PBSG regards loss of sea-ice habitat due to climate warming as the most serious threat to future Polar Bear survival.

The importance of terrestrial food to polar bears is disputable and more data are needed. Ice bear polar bear Thalarctos maritimus. Polar bears Ursus maritimus in the northern Alaska region den in coastal areas and on offshore drifting ice.

Established in 1964 the IUCN Red List of Threatened Species has evolved to become the worlds most comprehensive information source on the global conservation status of animal fungi and plant species. The Polar or White bear Ursus maritimus Phipps 1774 which till the eighties was inserted by the taxonomical biologists in the genus Thalarctos with the species Thalarctos maritimus is a quadrupedal eutherian placental mammal in the specific the largest terrestrial. Innerhalb dieser acht Bärenarten zählenden systematischen Gruppe bilden Eisbär Braunbär Amerikanischer Schwarzbär und Kragenbär die gemeinsame Gattung Ursus.

Der Eisbär Ursus maritimus gehört in der Ordnung der Raubtiere zur Familie der Bären. Their preferred habitat is the pack ice of the Arctic Ocean. Ursus maritimus Phipps 1774.

Based on the fossil record Kurtén 1964. The ice edge and pressure ridges where fractures and refreezing occur provide the best hunting ground.


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