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Topic: Rocky Mountain Bighorn Sheep


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In the News (Mon 7 Dec 09)

  
 Bighorn Sheep - Wikipedia, the free encyclopedia
Wild sheep crossed the Bering land bridge from Siberia during the Pleistocene and, subsequently, spread through western North America as far south as Baja California and northern mainland Mexico (Cowan 1940).
Bighorn sheep were amongst the most admired animals of the Apsaalooka, or Crow, people, and what is today called the Bighorn Mountain Range was central to the Apsaalooka tribal lands.
Bighorn sheep graze on grasses and browse shrubby plants, particularly in fall and winter, and seek minerals at natural salt licks.
en.wikipedia.org /wiki/Rocky_Mountain_Bighorn_Sheep   (796 words)

  
 Rocky Mountain Bighorn Society - Sheep Biology
Bighorn sheep are arguably one of the most recognizable hoofed animals in the western United States, if not in all of North America.
Adult bighorn sheep typically weigh between 110 and 275 pounds (50-125 kg) and are approximately 30 to 44 inches (75-110 cm) tall at the shoulder, depending on the sex and age of the animal.
Bighorn sheep are active throughout the day, with several periods of foraging interspersed with periods of grooming, sleeping, and/or playing (often ewes with young lambs and lambs with one another).
www.bighornsheep.org /SheepBiology.htm   (509 words)

  
 Bear Country USA
Bighorn Sheep can be found in all of the southwestern deserts.
Bighorn Sheep rarely inhabit areas that are disturbed by humans.
Bighorns are generally active during the day, feeding morning, noon and evening, then lying down to chew their cud.
www.bearcountryusa.com /information.asp?ID=4   (287 words)

  
 Hunting Rocky Mountain Bighorn Sheep Jackson Hole Yellowstone Bridger Teton National Forest
Bighorn sheep are gregarious and may form herds of over 100 animals, but small groups of 8-10 are more common.
The Whiskey Mountain bighorn herd is the largest concentration of Rocky Mountain bighorn Sheep in North America and has been instrumental in the recovery of sheep populations.
Bighorn sheep are heavy horned and often broom (breaking the tips of the horns off to help vision).
www.free-press.biz /Hunting-Bighorn-Sheep.html   (1775 words)

  
 Bighorn Sheep in the Rocky Mountain National Parks
The negative effects of small population size on bighorn were documented by Berger (1990), who reported that no indigenous populations of fewer than 50 animals survived for 5 decades, whereas all populations numbering more than 100 animals survived for the same period.
Restoration of bighorn sheep has been pursued actively by many state and federal agencies since the 1940's, although these efforts have met with only limited success, and most of the historical range of bighorns remains unoccupied.
Berger, J. Persistence of different-sized populations: an empirical assessment of extinction in bighorn populations.
biology.usgs.gov /s%2Bt/frame/r260.htm   (1067 words)

  
 Bighorn Sheep
In the early 1900's bighorn sheep in North America were estimated to number between 1.5 and 2 million.
Bighorn populations were devastated by hunting, diseases introduced by domestic livestock and competition from grazing livestock.
Bighorn sheep habitat include mountain slopes that are rugged with sparse growths of trees.
www.scsc.k12.ar.us /2001Outwest/PacificEcology/Projects/WashamR   (335 words)

  
 Rocky Mountain Bighorn Sheep - Discover The Outdoors   (Site not responding. Last check: 2007-10-20)
Sheep have soft hooves with hard outer rims that provide good footing on precarious ledges; however, the two parts of the hoof are not independently movable.
Bighorns are not as agile as mountain goats on difficult terrain, but they do move quickly over rocky mountain slopes when alarmed.
Bighorn sheep migrate between high mountain slopes in the summer and foothill slopes in winter.
www.dto.com /hunting/species/generalprofile.jsp?speciesid=221   (789 words)

  
 Rocky Mountain Bighorn Sheep
The Rocky Mountain bighorns are in the class Mammalia (mammals).
Bighorns prefer to live in the wilderness areas because they are well away from people.
Bighorns spend their summers high up in the mountains and then when winter snow comes, they move down into the valleys.
lsb.syr.edu /projects/cyberzoo/bighornsheep.html   (541 words)

  
 Bighorn Sheep - Alberta Sustainable Resource Development   (Site not responding. Last check: 2007-10-20)
Bighorn sheep are brown to greyish brown in color, with light underparts, a white muzzle and an obvious, light rump patch.
Thus, bighorns are not as agile as mountain goats on difficult terrain.
Sheep are mainly grazers, feeding on grasses and forbs.
www3.gov.ab.ca /srd/fw/hunting/bighorn.html   (314 words)

  
 Bighorn Sheep
Audubon's bighorn sheep were native to the Black Hills and Badlands of South Dakota.
Uncontrolled hunting caused the extinction of this subspecies of bighorn sheep by 1916.
Bighorn sheep are very social animals and are generally separated into two groups.
www.northern.edu /natsource/MAMMALS/Bighor1.htm   (855 words)

  
 Bighorn Mountain Sheep - British Columbia Wildlife
- The California bighorn resides in alpine meadows and foothills near rocky cliffs in the Okanagan, Similkameen and south Chilcotin regions.
Most sheep ranges are within easy range of cliffs with avalanche chutes and talus slopes which they use to escape from predators.
The bighorn has always been prized for their meat; the horns were used by some Indians to make powerful bows and are still prized by hunters as trophies.
www.bcadventure.com /adventure/wilderness/animals/bighorn.htm   (305 words)

  
 Bighorn sheep
As one might expect from a mountain dweller, the bighorn sheep is extremely agile and nimble, able to move quickly over uneven, steep surfaces.
Alpine meadows and foothills near rocky cliffs in the Rocky Mountains.
The bighorn sheep is classified as a low risk, conservation dependent species by the IUCN (1996).
www.ultimateungulate.com /Artiodactyla/Ovis_canadensis.html   (369 words)

  
 BISON Species Account 050682   (Site not responding. Last check: 2007-10-20)
Sheep were often observed feeding on patches of emergent forbs during that time, corroborating the increase in the proportion of forbs in the spring diet.
However, several sheep were observed during this study with lateral and dorsal alopecia, pruritis including excessive head shaking and horning shrubs, suggesting the possi- bility of scabies.
Bedsite characteristics of desert bighorn sheep in the Superstition Mountains, Arizona.
www.fw.vt.edu /fishex/nmex_main/species/050682.htm   (6267 words)

  
 Rocky Mountain Bighorn Sheep Hunting Outfitters of Canada
Rocky Mountain sheep, (Bighorn) wild sheep of W North America, formerly plentiful in mountains from Canada to Mexico.
One type of bighorn lives at high altitudes in the W United States and another in desert regions.
The distinctive feature of Bighorn Sheep is the massive brown spiral horns which, in rams, curls back and down close to the head with tips projecting forward and outward just below the eyes.
www.huntingoutfitters.ca /Sheep_hunting_Canada.htm   (259 words)

  
 BISON Species Account 050680   (Site not responding. Last check: 2007-10-20)
Bighorn Sheep Rocky Mountain bighorn Mountain Sheep Berrego Cimarron (Hispanic)
Rocky Mountain bighorn sheep are generally found above timber line on the high ranges and often in summer among the show banks, or, farther north, among the glaciers, where they climb into the most inaccessible nooks and corners of the rocky peaks and cliffs (Bailey, 1931)*56*.
Bighorn sheep (O.c.canadensis) were re-established in the Pecos Wilderness in the 1960's (Velasquez, et al., 1997) *60*.
www.fw.vt.edu /fishex/nmex_main/species/050680.htm   (6225 words)

  
 Bighorn Sheep (DesertUSA)
Bighorn sheep are gregarious, sometimes forming herds of over 100 individuals, but small groups of 8-10 are more common.
Bighorn are primarily grazers, consuming grasses, sedges, and forbs, but will eat young twigs, leaves, and shoots when preferred food is scarce (especially in winter).
In 1979 Bighorn between Mt. San Jacinto and the Mexican border were estimated to number 1,180; in 1996 that number had plummeted to 280 sheep.
www.desertusa.com /big.html   (1488 words)

  
 Alberta Canada Big Horn Sheep Hunting Alberta Rocky Mountain Trophy Bighorn Sheep Hunts Sheep Hunting Outfitters Guides
Many trophy size sheep are found in the northern part of Alberta as well as in the south.
Many sheep can be found in rocky gorges and in the timbered foothills as well as the highest mountain peaks.
Bighorn sheep grow up to six feet in length, live up to 12 years and can weigh as much as 300 pounds.
www.abhunting.com /sheep-hunting.asp   (408 words)

  
 University of Arizona Press - Mountain Sheep of North America
Mountain sheep epitomize wilderness for many people because they occupy some of the most inaccessible and rugged habitats known to man, from desert crags to alpine mountains.
Written by wildlife biologists who have devoted years of study to the animals, it covers Dall's and Stone's sheep and Rocky Mountain, California, and desert bighorn and examines a variety of factors pertinent to their life histories: habitat, diet, activity, social organization, reproduction, and population dynamics.
Discussions on diseases of wild sheep present a wealth of information that will be of particular use to wildlife biologists, including detailed clinical descriptions of conditions that threaten sheep populations, from pasteurellosis to capture myopathy.
www.uapress.arizona.edu /books/bid1233.htm   (419 words)

  
 Colorado's State Mammal, the Rocky Mountain Bighorn Sheep (Geobopological Survey)   (Site not responding. Last check: 2007-10-20)
But the “Rocky Mountain bighorn sheep” was adopted as Colorado’s state animal on May 1, 1961.
The bighorn sheep is named for its massive horns, which may grow fifty inches long on rams (males).
Male bighorns stand from three to three and a half feet tall at the shoulder and weigh up to three hundred pounds.
www.geobop.com /world/NA/US/CO/Mammal.htm   (199 words)

  
 Bighorn Sheep   (Site not responding. Last check: 2007-10-20)
In summer 2003, we were able to catch glimpses of elk, bighorn sheep, and even a mother bear and her cubs, as well as some of the 'tame' side of wildlife - chipmunks, deer, and squirrels.
Mountain goats have long, white fur and live on the mountain crests.
Bighorn sheep are brown, have remarkable amber eyes, and live lower in the valley areas.
taylorrhome.dyndns.org /gracehollow/Features/bighornsheep.htm   (189 words)

  
 ESPN Outdoors   (Site not responding. Last check: 2007-10-20)
The male Rocky Mountain bighorn sheep has a muscular body with a thick neck and massive horns that curl close to the head, back over the ears and around below the cheeks, tapering at the end.
The bighorn sheep ram has white on the belly, back of the front legs, inside of hind legs and the groin.
Rockies of British Columbia and Alberta as well as in the Rockies of Montana, Idaho, Wyoming, Colorado and other isolated areas where introduced in South Dakota, Utah, New Mexico, Arizona and California.
www.espn.go.com /outdoors/general/s/g_enc_rockymount_bighorn_sheep.html   (165 words)

  
 GENETIC CHANGES IN REINTRODUCED ROCKY MOUNTAIN BIGHORN SHEEP POPULATIONS
Abstract: We compared allozyme variability in 4 reintroduced populations of bighom sheep (Ovis canadensis) with their common source population in Wyoming to understand how reintroduction affects genetic variability.
Our results indicate the operation of founder effect and subsequent genetic drift within the small reintroduced herds, but also may be influenced by small sample sizes from herds that were difficult to sample.
We suggest management practices that should minimize the loss of genetic variation from reintroduced populations of bighorn sheep.
www.uga.edu /srel/Reprint/2240.htm   (264 words)

  
 Encyclopedia: Rocky Mountain bighorn sheep   (Site not responding. Last check: 2007-10-20)
People who viewed "Rocky Mountain bighorn sheep" also viewed:
In the winter of 1981-82, an outbreak of pinkeye occurred among bighorns in the Mt. Everts area of the park.
USGS Report: Our Living Resources - Desert Bighorn Sheep (http://biology.usgs.gov/s+t/noframe/r039.htm) by Henry E. McCutchen of the National Biological Service (adapted public domain text)
www.nationmaster.com /encyclopedia/Rocky-Mountain-bighorn-sheep   (1659 words)

  
 Mule Shoe Outfitters, guided trophy hunts in wilderness and forest of western Wyoming.
Sheep hunting can be one of the most physically demanding hunts of all the North American species.
We hunt sheep in Areas 7, 8, and 23, which open September 1, and Areas 9 and 10, which open August 15th.
Sheep are on a preference point system, so if you haven't applied, don't miss another year.
www.muleshoeoutfitters.com   (1375 words)

  
 Rocky Mountain Bighorn Sheep Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-10-20)
Looking For rocky mountain bighorn sheep - Find rocky mountain bighorn sheep and more at Lycos Search.
Find rocky mountain bighorn sheep - Your relevant result is a click away!
In North America, wild sheep have diverged into two extant species -- Dall sheep that occupy Alaska and northwestern Canada, and bighorn sheep that range from southern Canada to Mexico.
www.localcolors.com /encyclopedia/Rocky_Mountain_bighorn_sheep   (941 words)

  
 Rocky Mountain Bighorn Sheep - Images of Colorado   (Site not responding. Last check: 2007-10-20)
Bighorn sheep are such impressive mammals that it is very easy to see why they have earned their designation as the state animal of Colorado.
One tip is to look for their white rumps, which tend to stand out in their environment.
To see more about Rocky Mountain bighorn sheep and where they live, see our page about Mt. Evans.
www.imagesofcolorado.com /bighornsheep.html   (342 words)

  
 Rocky Mountain Bighorn Sheep Stock Photo
Image # 8914 Rocky Mountain Bighorn Sheep bull, sheep and ewe perching on cliff, Jasper National Park, Alberta.
Bighorn Sheep seek shelter from predators on steep rock faces.
Bighorn Sheep are known for their breeding contests.
www.stockpix.com /stock/large/8914.htm   (107 words)

  
 Original Artwork: Don Balke: Rocky Mountain Bighorn Sheep   (Site not responding. Last check: 2007-10-20)
Born with special hooves which have a hard outer edge and a toe that grips, plus a pad at the back to provide traction on smooth surfaces, young Bighorn Sheep can plunge down rocky chutes, hurtling themselves in a controlled fall like expert mountain climbers.
During rutting season, the deafening crash of Bighorns meeting in battle may be heard up to a mile away.
In their lofty mountain home both the young and old Bighorn Sheep rank as some of the most fascinating creatures of the Colorado Wilderness.
www.artworkoriginals.com /EB5TBWSS.htm   (488 words)

  
 Rocky Mountain Bighorn Society - Official Site
10/26/05 - Pneumonia deaths appear to be over [for endangered Peninsular bighorn sheep population in Southern California]
Big Thompson sheep count - December 6, with December 9 as the backup date
St Vrain sheep count - December 8, with December 9 as the backup date
www.bighornsheep.org   (239 words)

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