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Björn Kurtén (19 November 1924 ... He wrote fifteen papers and one book about prehistoric bears and was the first person to study allometry in fossil teeth. [1]
The ulna is estimated to have been 48.5 cm (19 in) long when complete- for comparison, modern subadult polar bear ulnae are 36–43 cm (14–17 in) long. [1] The ulna was dated to the early Weichselian of the Late Pleistocene (~70kya). [2] Of the 16 specimens identified as Pleistocene polar bears, this is the only fossil ascribed to this ...
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).
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 ...
The polar bear's liver accumulates high concentrations of vitamin A from their prey, making it toxic: little ambiguity in practice, but grammatically it ought to refer to the prey. Suggest "The polar bear's liver is toxic from the accumulation of..." Fixed. LittleJerry 16:19, 10 August 2023 (UTC)
Called the "I Turn Polar Bears White" riddle, it presents a series of cryptic statements that don't seem to make sense at first glance. Take a closer look at this perplexing puzzle and see if you ...
A man has been seriously injured after trying to prevent a polar bear from attacking his wife in northern Ontario, Canada. On Tuesday, Dec. 3, before 5 a.m. local time, an adult male and an adult ...
The polar bear then fled to a nearby wooded area, where it later died from the gunshot wounds. Officers with the Nishnawbe-Aski Police Service responded to the scene after reports of gunfire and a ...