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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). The species is sexually dimorphic, as adult females ...
An average adult male measures 244 cm (8 ft 0 in) in length, and stands 133 cm (4 ft 4 in) tall at the shoulder. The largest recorded wild male weighed 751 kg (1,656 lb), and had a hind foot measurement of 46 cm (18 in). [12] A large male Kodiak bear stands up to 1.5 m (4.9 ft) tall at the shoulder when it is standing on all four legs.
The brown bear is a sexually dimorphic species, as adult males are larger and more compactly built than females. The fur ranges in color from cream to reddish to dark brown. It has evolved large hump muscles, unique among bears, and paws up to 21 cm (8.3 in) wide and 36 cm (14 in) long, to effectively dig through dirt.
It can reach a shoulder height of over 1.6 m (5.2 ft) and total length of as much as 3.1 m (10 ft). The heaviest wild polar bear weight recorded was 1,002 kg (2,209 lb). The Kodiak bear, a brown bear (U. arctos) subspecies, rivals the polar bear in size, but is slightly smaller. It has a similar body length with the largest confirmed wild ...
The grizzly bear (Ursus arctos horribilis), also known as the North American brown bear or simply grizzly, is a population or subspecies [4] of the brown bear inhabiting North America. In addition to the mainland grizzly ( Ursus arctos horribilis ), other morphological forms of brown bear in North America are sometimes identified as grizzly bears.
Human height. Human height or stature is the distance from the bottom of the feet to the top of the head in a human body, standing erect. It is measured using a stadiometer, [1] in centimetres when using the metric system or SI system, [2][3] or feet and inches when using United States customary units or the imperial system. [4][5] In the early ...
[a] The polar bear is considered to be the largest extant species, [42] with adult males weighing 350–700 kg (770–1,540 lb) and measuring 2.4–3 m (7 ft 10 in – 9 ft 10 in) in total length. [43] 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]
The vertical cephalic index, also known as the length-height index, was a less-commonly measured head ratio. [ 8 ] [ 9 ] In the vertical cephalic index model, humans beings were characterized by having either a chamaecranic (low-skulled), orthocranic (medium high-skulled), or hypsicranic (high-skulled) cephalic index or cranial index.