北極熊的英文

The name is polar bear.

北極熊的英文是
polar bear
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個個都知啦polar bear媽.

polar bear......

The polar bear (Ursus maritimus) is a bear native to the Arctic. It is the world's largest land carnivore, with most adult males weighing 300-600 kg (660-1320 lbs); adult females are about half the size of males. Its fur is hollow and translucent but usually appears as white or cream coloured, thus providing the animal with effective camouflage, however its skin is actually black in color.[2] Its thick blubber and fur insulate it against the cold. The bear has a short tail and small ears that help reduce heat loss, as well as a relatively small head and long, tapered body to streamline it for swimming.

A semi-aquatic marine mammal, the polar bear has adapted for life on a combination of land, sea, and ice, [3] and is the apex predator within its range. It feeds mainly on seals, young walruses, and whales, although it will eat anything it can kill. It is the bear species most likely to prey on humans.

The polar bear is a vulnerable species. Some scientists and climatologists believe that the projected decreases in the polar sea ice due to global warming will have a significant negative impact on of this species within this century.[1][4] Despite these predictions, the actual data shows that as the earth has warmed, the total global population of polar bears has increased, and not shrunken. In 2005, Mitch Taylor, a Canadian authority on polar bears, stated, "We’re seeing an increase in bears that’s really unprecedented, and in places where we’re seeing a decrease in the population it’s from hunting, not from climate change." [1] In a 2007 article, H. Sterling Burnett wrote, "Since the 1970s, while much of the world was warming, polar bear numbers increased dramatically, from roughly 5,000 to 25,000 bears." [2] This increase coincides with changes in hunting practices which began in the early 1970s. For example, the USA adopted the Marine Mammal Protection Act in 1972, and in 1973 the International Agreement for the Conservation of Polar Bears was signed by Canada, Denmark, Norway, the USSR and the USA. [3]

Size and weight
Polar bears rank with the Kodiak bear as among the largest living land carnivores, and male polar bears may weigh twice as much as a Siberian tiger. Most adult males weigh 300–600 kg (660–1320 lb) and measure 2.4–3.0 m (7.9–10.0 ft) in length. When standing upright, an adult male can stand up to 3.35 m (11.5 ft). That is about as tall as an elephant. Adult females are roughly half the size of males and normally weigh 150–300 kg (330–660 lb), measuring 1.9–2.1 m (6.25–7 ft).[5][6] The great difference in body size makes the polar bear the second most sexually dimorphic of mammals, following the eared seals [7]. At birth, cubs weigh only 600–700 g or about a pound and a half. The largest polar bear on record was a huge male, alledgedly weighing 1002 kg (2200 lb) shot at Kotzebue Sound in northwestern Alaska in 1960.[8]

polar bear

北極熊的英文是"polar bear"

Polar bear

polar bear

poler bear

polar bear