mountain goat


mountain goat
n.

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Ruminant (bovid species Oreamnos americanus) of the Yukon to the northern Rockies that is more closely related to antelopes than to goats.

Stocky, with a hump at the withers, mountain goats stand about 40 in. (1 m) at the shoulder. Both sexes bear short, hollow, slightly backward-curving, black horns. The shaggy, coarse white hair covers a thick, woolly underfur, and a beard frames the slender muzzle. The hooves are black. Mountain goats are agile climbers and can leap more than 12 ft (3.5 m). They live in small bands above the timberline, eating moss, lichen, and scrub foliage.

Mountain goat (Oreamnos americanus)

Earl Kubis
Root Resources

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mammal
also called  Rocky Mountain goat 
  a stocky North American ruminant of the family Bovidae (bovid) (order Artiodactyla (artiodactyl)). Surefooted relatives of the chamois, mountain goats cling to steep cliffs in habitats ranging from ocean shores to glaciated mountain tops. They are agile, methodical climbers, adapted to the insecure footing of snow-covered and icy cliffs, where predators are loath to follow. On these cliffs, they readily turn on their pursuers, including humans.

 Mountain goats belong to the goat antelope tribe, Rupicaprini, of the bovid family. Despite their unusual appearance and behaviour, they are close relatives of sheep and true goats (goat). Mountain goats occur from the Yukon and Alaska to Utah, but most are found in British Columbia. They have been successfully restored to their former abundance in some areas and have also been introduced to some areas where they were never native, including Kodiak Island, the Olympic Peninsula of Washington, the Rocky Mountains of Colorado, and the Black Hills of South Dakota. They occurred in early postglacial times on Vancouver Island but became extinct; recent restoration efforts failed. Mountain goat populations fluctuate and are sensitive to human impacts. Consequently, they are constantly being watched to ensure the timely application of corrective management.

 Stocky climbers with muscular legs and broad hooves, mountain goats stand about 1 metre (39 inches) at the shoulder. Large males can weigh more than 120 kg (260 pounds), and females weigh about 60–90 kg (130–200 pounds). The hair is coarse, white, and shaggy over a thick, woolly underfur; a beard frames the slender muzzle. The sexes look alike and bear sharp, slightly backward-curving, black horns that are 5–25 cm (2–10 inches) long. Unlike true goats, mountain goats do not butt heads but instead stab each other with their horns. Since the horns can cause severe injury, mountain goats are highly reluctant to fight. Nevertheless, males grow a very thick skin as a body armour against attacks by rivals or females.

 To compensate for their narrow preference for cliffs, mountain goats eat a great variety of plants: grasses, herbs, foliage, twigs, lichens, and, in particular, alpine firs and other conifers. They may excavate these plants at the timberline from beneath deep snow. In summer when lactating or growing new coats of hair, mountain goats may reluctantly leave the security of their cliffs to supplement their nutrient intake with visits to mineral licks. Among other minerals, inorganic sulfur is used by the goat's rumen flora to synthesize the rare amino acids (amino acid) cysteine and methionine, which are essential to the goat's hair growth at that time.

      Mountain goats are unusual in that males readily defer to females. Females live in small bands but may become territorial in severe winters, while adult males are solitary. Courting males crawl to females and make sounds like those of baby goats. They mate in late November and December. After the mating season, females may drive the males off their wintering ranges. A single kid (rarely two) is born in late spring after about 180 days gestation and joins a nursery group within a week after birth. Adult female mountain goats are very protective mothers. In winter females with young may become territorial and lay claim to an area of favourable cliff habitat. They then chase all other goats from their territories and readily attack hesitating males. Females are more likely to fight than males.

Valerius Geist
 

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Universalium. 2010.

Look at other dictionaries:

  • Mountain goat — Mountain Moun tain (moun t[i^]n), a. 1. Of or pertaining to a mountain or mountains; growing or living on a mountain; found on or peculiar to mountains; among mountains; as, a mountain torrent; mountain pines; mountain goats; mountain air;… …   The Collaborative International Dictionary of English

  • mountain goat — ☆ mountain goat n. ROCKY MOUNTAIN GOAT …   English World dictionary

  • mountain goat — n an animal with thick white fur which looks like a goat and lives in the western mountains of North America …   Dictionary of contemporary English

  • mountain goat — mountain ,goat noun count a type of goat that lives in the mountains of western North America …   Usage of the words and phrases in modern English

  • mountain goat — ► NOUN ▪ a goat that lives on mountains, proverbial for its agility …   English terms dictionary

  • Mountain goat — For Eurasian mountain goats, see Capra (genus). For the rock band, see The Mountain Goats. For the Cumbrian bus operator, see Mountain Goat (bus company). Mountain Goat (also known as tahr) Conservation status …   Wikipedia

  • mountain goat — UK / US noun [countable] Word forms mountain goat : singular mountain goat plural mountain goats a type of goat that lives in the mountains of western North America …   English dictionary

  • mountain goat — snieginė ožka statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: lot. Oreamnos americanus angl. mountain goat; North American mountain goat vok. richtige Schneegemse; Schneeziege rus. снежная коза pranc. chèvre des… …   Žinduolių pavadinimų žodynas

  • mountain goat — noun 1》 (also Rocky Mountain goat) a goat antelope with shaggy white hair and backward curving horns, living in the Rocky Mountains of North America. [Oreamnos americanus.] 2》 any goat that lives on mountains, proverbial for its agility …   English new terms dictionary

  • mountain goat — noun A sure footed goat antelope, Oreamnos americanus, of the North American mountains, having black curved horns and a shaggy coat. Syn: Rocky Mountain goat …   Wiktionary


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