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The polar bear was given its common name by Thomas Pennant in A Synopsis of Quadrupeds (1771). It was known as the "white bear" in Europe between the 13th and 18th centuries, as well as "ice bear", "sea bear" and "Greenland bear". The Norse referred to it as isbjørn ' ice bear ' and hvitebjørn ' white bear '. The bear is called nanook by the ...
Ringed seals are both predators and prey. A predator to zooplankton and fish, the ringed seal is considered a primary consumer as well as a secondary consumer. But the tertiary consumer, or top predator, in the Arctic is the polar bear, feeding mostly on seals, including the ringed seal.
Bear habitats are generally forests, though some species can be found in grassland and savana regions, and the polar bear lives in arctic and aquatic habitats. Most bears are 1.2–2 m (4–7 ft) long, plus a 3–20 cm (1–8 in) tail, though the polar bear is 2.2–2.44 m (7–8 ft) long, and some subspecies of brown bear can be up to 2.8 m (9 ...
Natural predators of the bearded seal include polar bears, who rely on these seals as a major food source. [21] Killer whales also prey on these seals, sometimes overturning ice floes to reach them. Walruses also eat these seals, mainly pups, but such predation is rare. [22] Bearded seals are believed to live up to 31 years. [23]
The 1958 Statehood Act set up a program for polar bear management, and further conservation efforts, including the 1972 Marine Mammal Protection Act, have limited polar bear hunts. [10] Polar bear populations may be threatened by oil development and global warming. [10] [11] Only about 4700 polar bears are known to inhabit Alaska. [12]
Animal common name Animal scientific name Location of fatal attacks (continent) Location of fatal attacks (country, region) Article American black bear [7] [8] Ursus americanus: North America Canada, [9] United States [9] Bear attack: Blue shark: Prionace glauca: Shark attack: Brown bear [10] [11] [12] Ursus arctos: Asia, Europe, North America
Ashland Soil and Water Conservation District will present a Conservation Chat this January on livestock predator management.
Polar bear feeding on a seal on an ice floe north of Svalbard, Norway. It is the most carnivorous species. The sloth bear is not as specialized as polar bears and the panda, has lost several front teeth usually seen in bears, and developed a long, suctioning tongue to feed on the ants, termites, and other burrowing insects