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When walking on all fours, A. simus stood 1–1.67 m (3.3–5.5 ft) high at the shoulder, with the largest males being tall enough to look an adult human in the eye. [ 45 ] [ 43 ] [ 46 ] The average weight of A. simus was ~625 kilograms (1,378 lb), with the maximum recorded at 957 kilograms (2,110 lb).
However, the authors consider the upper limit as improbable, and say that 1,588 to 1,749 kg (3,501 to 3,856 lb) is more likely. An estimated standing height for this A. angustidens individual is between 3.4 and 4.3 m (11 and 14 ft). It would still make the species the largest bear ever found, and contender for the largest carnivorous land ...
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 ...
Quadrupedalism is sometimes referred to as being "on all fours", and is observed in crawling, especially by infants. [1] In the 20th century quadrupedal movement was popularized as a form of physical exercise by Georges Hebert. [2] Kenichi Ito is a Japanese man famous for speed running on four limbs in competitions. [3]
In addition to the lithotomy position still commonly used by many obstetricians, childbirth positions that are successfully used by midwives and traditional birth-attendants the world over include squatting, standing, kneeling, and on all fours, often in a sequence. [3]
Agriotherium is an extinct genus of bears whose fossils are found in Miocene through Pleistocene-aged strata of North America, Eurasia, and Africa.This long-lived genus persisted from at least ~11.6–2.5 Mya. [2]
Headless Corpse – (Southeast) headless body that runs around on all fours with gaping mouth where head should be. Heyoka – (Lakota) People chosen by the Thunder Beings to be Medicine Men. Possessing supernatural abilities. A Heyoka must have a vision of a Thunder Being or be struck by lightning. May have visions of the future or other ...
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