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Alaska moose are sexually dimorphic with males being 40% heavier than females. [5] Male Alaska moose can stand over 2.1 m (6.9 ft) at the shoulder, and weigh over 635 kg (1,400 lb). When Alaska moose are born, they weigh on average about 28 pounds, but by five months old they can weigh up to 280 pounds. [4]
The Western moose [2] (Alces alces andersoni) is a subspecies of moose that inhabits boreal forests and mixed deciduous forests in the Canadian Arctic, western Canadian provinces and a few western sections of the northern United States. It is the second largest North American subspecies of moose, second to the Alaskan moose.
Eastern moose are the third largest subspecies of moose only behind the western moose and the Alaska moose. Males stand on average 1.7–2.0 m (5.6–6.6 ft) at the shoulder and weigh up to 634 kg (1,398 lb). Females stand on average 1.7 m (5.6 ft) at the shoulder and weigh on average 270–360 kg (600–790 lb).
Alces is a genus of artiodactyl mammals, that includes the largest species of the deer family. [1] There are two species in genus: the moose (Alces alces) and the fossil Alces gallicus (also known as the Gallic moose), that existed in the Pleistocene about 2 million years ago.
Moose have a series of rutting events that are similar to those seen in other deer species, however, they have several characteristic behaviors which give them a distinct rut. The first of these behaviors is a challenger gait where the bull moose will sway back and forth and circle the rival bull while dipping his antlers down. [32]
Cervalces scotti, also known as stag-moose, is an extinct species of large deer that lived in North America during the Late Pleistocene epoch. [1] It is the only known North American member of the genus Cervalces .
This is a collection of lists of mammal gestation period estimated by experts in their fields. The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs.
In mammals, pregnancy is the period of reproduction during which a female carries one or more live offspring from implantation in the uterus through gestation. It begins when a fertilized zygote implants in the female's uterus , and ends once it leaves the uterus.