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The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
It features a polar bear, a lion, a hippopotamus, a flamingo, a zebra, a boa constrictor, an elephant, a leopard, a peacock, a walrus, a zoo keeper and some children. This is a companion book to Brown Bear, Brown Bear, What Do You See? , published by Carle and Martin in 1967 , [ 1 ] replacing the earlier text's colours and common animals with ...
The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
Polar bear fur is not actually white, but rather clear and hollow, the better to insulate them in icy waters and help them stay afloat. When exposed to the sun, these tubular hairs yellow slightly.
After graduating with his bachelor's degree, Martin taught journalism, drama, and English at high schools in Newton and St. John, Kansas. [3] During World War II, he served in the Army Air Force as a newspaper editor and wrote his first book, The Little Squeegy Bug, published in 1945, as William Ivan Martin, with illustrations by his brother Bernard Martin.
There are an estimated 17,000 polar bears across Canada; of the world’s total estimated population of 26,000. A polar bear and a cub search for scraps in a large pile of bowhead whale bones (AP)
Ursus is a genus in the family Ursidae that includes the widely distributed brown bear, [3] the polar bear, [4] the American black bear, and the Asian black bear. The name is derived from the Latin ursus , meaning bear .
Articles relating to the polar bear (Ursus maritimus), a hypercarnivorous species of bear.Its native range lies largely within the Arctic Circle, encompassing the Arctic Ocean and its surrounding seas and landmasses, which includes the northernmost regions of North America and Eurasia.