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Arctodus is an extinct genus of short-faced bear that inhabited North America during the Pleistocene (~2.5 Mya until 12,800 years ago). There are two recognized species: the lesser short-faced bear (Arctodus pristinus) and the giant short-faced bear (Arctodus simus).
The Tremarctinae or short-faced bears is a subfamily of Ursidae that contains one living representative, the spectacled bear (Tremarctos ornatus) of South America, and several extinct species from four genera: the Florida spectacled bear (Tremarctos floridanus), the North American giant short-faced bears Arctodus (A. pristinus and A. simus), the South American giant short-faced bear ...
Arctotherium ("bear beast") is an extinct genus of the Pleistocene short-faced bears endemic to Central and South America. [1] Arctotherium migrated from North America to South America during the Great American Interchange, following the formation of the Isthmus of Panama during the late Pliocene.
The spectacled bear (Tremarctos ornatus), also known as the South American bear, Andean bear, Andean short-faced bear or mountain bear and locally as jukumari (Aymara and Quechua [3]), ukumari or ukuku, is a species of bear native to the Andes Mountains in northern and western South America.
[150] [151] Another huge bear was the giant short-faced bear (Arctodus simus), with the average weight of 625 kg (1,378 lb) and the maximum estimated at 957 kg (2,110 lb). [152] There is a guess that the largest individuals of this species could reached even larger mass, up to 1,200 kg (2,600 lb). [150]
The smallest species is the sun bear, which ranges 25–65 kg (55–143 lb) in weight and 100–140 cm (39–55 in) in length. [44] Prehistoric North and South American short-faced bears were the largest species known to have lived. The latter estimated to have weighed 1,600 kg (3,500 lb) and stood 3.4 m (11 ft) tall.
The shark, which was known as set as Bruce, was 25 feet long. The shark was named after director's Steven Spielberg's lawyer. Near the end of the movie, the crew hunting for the white shark in ...
The northern species, the Florida short-faced bear, became extinct 11,000 years ago. [1] The sole living Tremarctos species is the South American spectacled bear . Tremarctos is also the only living genus under the Tremarctinae subfamily, with the other genera, Plionarctos , Arctodus , and Arctotherium all being extinct.