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The oldest fossils are from the Choukoutien, China, and date back about 500,000 years. However, in late 2019, brown bears killed three men in Romania in just over a month. Unlike in North America, where an average of two people a year are killed by bears, Scandinavia only has records of three fatal bear attacks within the last century. Whenever possible, the brown bear will consume sheep. Today, meat makes up little more than 10–15% of its diet. However, as its habitat increasingly diminished, the portion of meat in its diet decreased with it until by the late Middle Ages, meat consisted of only 40% of its dietary intake. In antiquity, the Eurasian brown bear was largely carnivorous, with 80% of its diet consisting of animal matter.
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The strongest bears apparently came from Caledonia and Dalmatia. Įurasian brown bears were used in Ancient Rome for fighting in arenas. History īrown bears were present in Britain until no later than AD 1000, when they had been exterminated through over-hunting. They have a lifespan of 20 to 30 years in the wild. Females typically range between 150 and 250 kg (330 and 550 lb). A full-grown male weighs on average between 250 and 300 kilograms (550 and 660 lb), and reaches a maximum weight of 481 kg (1,058 lb) and length of nearly 2.5 m (8.2 ft). The weight varies depending on habitat and the time of the year. It has a powerful bone structure and large paws equipped with claws that can grow up to 10 cm in length. The head normally is quite round in shape and has relatively small rounded ears, a wide skull and a mouth equipped with 42 teeth, including predatory teeth. The fur is dense to varying degrees and the hair can grow up to 10 cm in length. The Eurasian brown bear has brown fur, which ranges from yellowish-brown to dark brown, red-brown, and almost black in some cases albinism has also been recorded.