Resultado de búsqueda
1.8-2.5. m ft. The Polar bear ( Ursus maritimus) is a hypercarnivorous bear found within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is the largest extant bear species, as well as the largest extant land carnivore. Although it is the sister species of the Brown bear, it has evolved to ...
10 de feb. de 2015 · A polar bear's body has a number of adaptations for living in cold Arctic conditions. A polar bear's fur is the thickest of all bears. The coat is made up of a dense undercoat and a top layer of longer guard hair. This dual-layered coat provides waterproofing, insulation and protection. Underneath its fur, a polar bear's skin is black.
3 de abr. de 2019 · The polar bear (Ursus maritimus) is the largest terrestrial carnivore in the world, rivaled in size only by the Kodiak bear.Polar bears play an important role in the life and culture of the Arctic Circle. Most people are familiar with polar bears from visiting zoos or seeing the bear depicted in the media, but there are many misconceptions about this fascinating animal.
Polar bears reach 97% of their asymptotic (i.e., adult) body length between 46 years of age, with females usually reaching this. –. length earlier than males (Derocher and Stirling 1998; Rode et al. 2010). Adult body length is approximately 150250 cm for females and 200300 cm for males. – –.
Polar bears have white fur so that they can camouflage into their environment. Their coat is so well camouflaged in Arctic environments that it can sometimes pass as a snow drift. Interestingly, the polar bear’s coat has no white pigment; in fact, a polar bear’s skin is black and its hairs are hollow.
9) The polar family emerge from the den four to five months later. The cubs will stay with their mother for about two years, during which time they learn the skills needed to survive in the Arctic.. 10) Sadly, these incredible creatures are classified as “vulnerable”.The biggest threat to polar bears is climate change.Rising global temperatures means that sea ice is melting earlier and ...
It is a keystone species in Arctic marine ecosystems. The walrus was once threatened by commercial hunting, but today the biggest danger it faces is climate change. Majestic creature of the far north, the polar bear is the world's largest terrestrial carnivore. Its Latin name, Ursus maritimus, means 'sea bear': an apt name for this amazing ...
