polar

The polar bear (Ursus maritimus) is a hypercarnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is a large bear, approximately the same size as the omnivorous Kodiak bear (Ursus arctos middendorffi). A boar (adult male) weighs around 350–700 kg (772–1,543 lb), while a sow (adult female) is about half that size. Polar bears are the largest land carnivores currently in existence, rivaled only by the Kodiak bear. Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological niche, with many body characteristics adapted for cold temperatures, for moving across snow, ice and open water, and for hunting seals, which make up most of its diet. Although most polar bears are born on land, they spend most of their time on the sea ice. Their scientific name means "maritime bear" and derives from this fact. Polar bears hunt their preferred food of seals from the edge of sea ice, often living off fat reserves when no sea ice is present. Because of their dependence on the sea ice, polar bears are classified as marine mammals.Because of expected habitat loss caused by climate change, the polar bear is classified as a vulnerable species. For decades, large-scale hunting raised international concern for the future of the species, but populations rebounded after controls and quotas began to take effect. For thousands of years, the polar bear has been a key figure in the material, spiritual, and cultural life of circumpolar peoples, and polar bears remain important in their cultures. Historically, the polar bear has also been known as the "white bear". It is sometimes referred to as the "nanook", based on the Inuit term nanuq.

View More On Wikipedia.org
  • 20

    josher

    Well-known Member
    • Posts
      6,745
    • Likes
      176
    • Points
      0
  • 7

    NANAIU

    Well-known Member From BD
    • Posts
      2,734
    • Likes
      63
    • Points
      0
  • 4

    jorj_saha

    Member
    • Posts
      202
    • Likes
      0
    • Points
      0
  • 2

    Lrayon

    Well-known Member
    • Posts
      579
    • Likes
      5
    • Points
      0
  • 2

    ..::khokon::..

    Active Member
    • Posts
      324
    • Likes
      1
    • Points
      0
  • 2

    luaice

    Member
    • Posts
      175
    • Likes
      2
    • Points
      0
  • 2

    Laruae

    Well-known Member
    • Posts
      2,351
    • Likes
      30
    • Points
      0
  • 1

    Khijirp

    Active Member
    • Posts
      250
    • Likes
      0
    • Points
      0
  • 1

    Musakatari

    Well-known Member
    • Posts
      1,460
    • Likes
      15
    • Points
      0
  • 1

    OLERD

    Active Member
    • Posts
      270
    • Likes
      0
    • Points
      0
  • 1

    INSP DDK

    Well-known Member
    • Posts
      1,638
    • Likes
      28
    • Points
      0
  • 1

    Lawra

    Well-known Member
    • Posts
      1,353
    • Likes
      7
    • Points
      38
  • 1

    sima_telecom

    Member
    • Posts
      212
    • Likes
      2
    • Points
      0
  • 1

    Varims

    • Posts
      372
    • Likes
      3
    • Points
      0
  • 1

    gsm_new1

    Junior Member
    • Posts
      94
    • Likes
      1
    • Points
      0
  • 1

    Shikderg

    • Posts
      4,168
    • Likes
      321
    • Points
      0
  • 1

    Tomaki

    • Posts
      347
    • Likes
      10
    • Points
      0
  • Back
    Top