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Encyclopedia > Mooses
This article is about the land mammal. For other meanings, see Moose (disambiguation).
Moose
Conservation status: Lower Risk

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Cervidae
Genus: Alces
Species: alces
Binomial name
Alces alces
(Linnaeus, 1758)
Moose map

The animal Alces alces, called the Moose in North America and the Elk in Europe (see also elk for other animals called elk) is the largest of all the deer family Cervidae, distinguished from other members of Cervidae by the form of the antlers of its males. These arise as cylindrical beams projecting on each side at right angles to the middle line of the skull, which after a short distance divide in a fork-like manner. The lower prong of this fork may be either simple, or divided into two or three tines, with some flattening. The word "moose" is thought to be from "mus" or "moos" of the Algonquian (northern American Indian) family of languages.


In the East Siberian race of the Elk (Alces alces bedfordiae) the posterior division of the main fork divides into three tines, with no distinct flattening. In the Common Elk (Alces alces alces), on the other hand, this branch usually expands into a broad palmation, with one large tine at the base, and a number of smaller snags on the free border.


There is, however, a Scandinavian phase of the Common Elk in which the antlers are simpler, and recall those of the East Siberian race.


The palmation appears to be more marked in the North American race, the Moose (Alces alces americanus) than in the typical Scandinavian elk. The largest of all is the Alaskan race (Alces alces gigas), which stands 2.5 m (8 ft) in height, with a span of 1.8 m (6 ft) across the antlers.


The great length of the legs gives a decidedly ungainly appearance to the moose. The muzzle is long and fleshy, with only a very small triangular naked patch below the nostrils; and the males have a peculiar sac, known as the bell, hanging from the neck. From the shortness of their necks, moose are unable to graze, and their chief food consists of young shoots and leaves of willow and birch, and waterplants (such as Arnicus brucitus). These ruminants are often found feeding in wetlands in temperate climes.


Male moose weigh over 550 kg (1200 lb) on average, and females are often more than 400 kg. Calves weigh around 15 kg at birth but quickly increase in size. Height at the shoulders generally ranges between 2.1 to 2.3 m (6.5 to 7.5 feet). Only the males have antlers, averaging 160 cm across and 20 kg in weight with a broad, flattened palmate shape fringed in up to 30 times.


An Alaskan moose discovered in 1897 holds the record for being the largest known modern deer; it was a male standing 2.34m and weighing 816 kg. Its antler spread was 199 cm.

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A female moose.
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A moose warning sign.
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A moose warning sign.

Although generally timid, the males become very bold during the breeding season, when the females utter a loud call, often mistaken for lowing cattle; and at such times they fight both with their antlers and their hoofs. Fierce clashing of antlers between males is also not uncommon. U.S. President Theodore Roosevelt was referring to this behavior when he said "I am as strong as a bull moose" (some accounts say "fit as a bull moose"). Because of this, Roosevelt's Progressive Party became popularly known as the "Bull Moose Party."


The usual pace is a shambling trot, but when pressed moose can break into a gallop. The female gives birth to one or two young at a time, which are not spotted.


The female moose is reported to kill more people in Canada than any other animal (far exceeding the North American Grizzly Bear). These large animals can be extremely protective of their young, and caution should be exercised when approaching a cow moose.


In North America, during the winter one male and several females may form a "moose-yard" in the forest, which they keep open by trampling the snow. In the spring, moose can often been seen in drainage ditches at the side of roads, taking advantage of road salt which has run off the road. These minerals replace electrolytes missing from their winter diet.


The clearing of the northern forests has led to the range of the White-tailed Deer expanding northward. Where their ranges overlap, moose become inflicted by parasites carried by the deer such as brain worm, Parelaphostrongylus tenuis, and winter ticks, Dermacentor albipictus, which can be fatal to the moose population.


In Western culture, the moose is often depicted as a laconic, good-natured and not terribly bright creature. Bullwinkle of The Rocky and Bullwinkle Show, an animated television series, is the most famous example.


A moose's body structure, with a large heavy body suspended on long spindly legs, makes these animals particularly dangerous when hit by motor vehicles. Such collisions are often fatal for both the moose and motorist. This has led to the development of a vehicle test in Scandinavia referred to as the "moose test" (Älgtest).


  Results from FactBites:
 
ADW: Alces alces: Information (1282 words)
Moose are limited to cool regions because of their large bodies, inability to sweat, and the heat produced by fermentation in their gut.
Moose are the largest members of the deer family and one of the largest land mammals in North America.
Adult moose are in their prime from 5 to 12 years of age but begin to suffer from arthritis, dental diseases and wear, and other factors after about 8 years.
  More results at FactBites »

 
 

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