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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).
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.
Rank Common name Scientific name Family Image Average mass (kg) Maximum mass (kg) Average length (m) Maximum length (m) Shoulder height (m) Native range
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At the north end is the 266,000-gallon polar bear pool and underwater window, one of the largest polar bear habitats in the world. The zoo received two polar bears, brother and sister Lee and Anana, in 2001, but currently only Anana remains, as Lee was sent to the Detroit Zoo to assist in a breeding program. [ 74 ]
According to Servheen, bear conservation efforts vary from the intensive and highly organized management of the grizzly bear in the United States to little management in Asian countries. However, since 2004 the non-profit organization Free the Bears (FTB) has been working to rescue bears in Asia along with educating the local communities.
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 ...
[6] [7] Along with other large bears such as the cave bear, short-faced bears Arctodus and Arctotherium, and an extinct subspecies of the modern polar bear Ursus maritimus tyrannus, Agriotherium was among the largest known terrestrial members of Carnivora. They had longer legs and shorter faces than other bears, and were more lightly built.