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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).
Petrus Alphonsi was born at an unknown date and place in the 11th century in Spain, and educated in al-Andalus, or Islamic Spain.As he described himself, he was baptised at Huesca, capital of the Kingdom of Aragon, on St. Peter's Day, 29 June 1106, when he was probably approaching middle age; this is the first clear date we have in his biography.
The Polar Bear Family & Me is a three-part nature documentary series produced by the BBC Natural History Unit. It follows wildlife cameraman Gordon Buchanan as he spends a year with a family of wild polar bears, under the guidance of his biologist Jason Roberts, the polar expertise of the Antarctic region and Svalbard near Norwegian archipelago of the Arctic Ocean.
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
The polar bear often hunts the walrus by rushing at beached aggregations and consuming the individuals crushed or wounded in the sudden exodus, typically younger or infirm animals. [88] The bears also isolate walruses when they overwinter and are unable to escape a charging bear due to inaccessible diving holes in the ice. [ 89 ]
They are extremely important for understanding the evolutionary history of life on Earth, as they provide direct evidence of evolution and detailed information on the ancestry of organisms. Paleontology is the study of past life based on fossil records and their relations to different geologic time periods.
Four versions of the "Shield of the Trinity" or "Scutum Fidei" diagram of traditional Christian Trinitarian symbolism, illustrating some variant depictions: 1. A shield-shaped version on red shield, attributed as the heraldic arms of God (or of the Trinity) in medieval England and France. See "The Heraldic Imagination" by Rodney Dennys.