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Topic: Desert Bighorn Sheep

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In the News (Sun 26 May 19)

  Desert Bighorn Sheep - Wikipedia, the free encyclopedia
The Desert Bighorn Sheep (Ovis canadensis nelsoni) is a subspecies of Bighorn Sheep that occurs in the desert Southwest regions of the United States.
Desert Bighorn Sheep appear to have occupied all the mountains in southwest Texas west of the Pecos River.
In 1993 the Desert Bighorn Sheep population was estimated at 2,200-2,250.
en.wikipedia.org /wiki/Desert_Bighorn_Sheep   (1130 words)

 Bighorn Sheep - Wikipedia, the free encyclopedia
Bighorn Sheep are named for the large, curved horns borne by the males, or rams.
Bighorn sheep graze on grasses and browse shrubby plants, particularly in fall and winter, and seek minerals at natural salt licks.
Bighorn sheep are highly susceptible to certain diseases carried by domestic sheep such as scabies and pneumonia; additional mortality occurs as a result of accidents involving rock fall or falling off cliffs (a hazard of living in steep, rugged terrain).
en.wikipedia.org /wiki/Bighorn_sheep   (1034 words)

 Desert Bighorn Sheep
Desert bighorn sheep is a subspecies of the Rocky Mountain bighorn sheep.
The Rocky Mountain bighorns and the desert bighorns of the Mojave and Sonoran deserts are descended from the wild sheep of Central Asia.
Originally the bighorn sheep were found from Baja California and Texas in the south to the Canadian Rockies.
www.blueplanetbiomes.org /desert_bighorn_sheep.htm   (819 words)

 Desert Bighorn Sheep of Cabeza Prieta NWR
Desert bighorn are stocky, heavy-bodied sheep, similar in size to mule deer.
Activities that influence bighorn sheep numbers include disturbance from a wide variety of sources: hunting and other recreational use of habitat, poaching, and habitat fragmentation and encroachment caused by roads, fences, mining, and military and recreational activities.
All have contributed to a desert bighorn sheep population we believe is similar to that originally found in the mountains of Cabeza Prieta NWR.
www.fws.gov /southwest/refuges/arizona/cabighrn.html   (859 words)

 Los Coatis Kids Club: Big Horn Sheep   (Site not responding. Last check: 2007-11-01)
Bighorn sheep are best known for the huge horns which the rams display on their heads.
Bighorn sheep are found in the highest mountains of the West from Canada through the United States and into northern Mexico.
Desert bighorns prefer to live in terrain which is rough, rocky and broken by canyons and washes.
www.desertmuseum.org /kids/features_bighorn.html   (1081 words)

 Desert Bighorn Sheep in the Cave Creek Area
Desert bighorn sheep are magnificent animals that symbolize the grandeur and wildness of the mountains rising above the Sonoran and Mohave Desert basins.
The presence of desert bighorn sheep as late as 1892 is surprising because of the large number of cattle and sheep free-ranging the countryside at that time and the ever increasing number of settlers looking for free meat to eat in the area.
Ancient desert bighorn sheep images are found carved into stone as petroglyphs, as stone effigies, molded out of clay as figurines and painted on the surface of pottery and boulders as pictoglyphs.
www.dflt.org /awareness/bighorn.htm   (779 words)

 The Living Desert - Desert Bighorn Sheep
Bighorn are widespread sparingly dispersed in the western mountains from Canada to California and Mexico.
Desert Bighorn are now so few in number and generally so well-secluded in their rocky habitat that they are seldom seen.
Bighorn sheep are shy creatures which need ample wilderness area not encroached upon by human activities.
www.livingdesert.org /animals/bighorn_sheep.asp   (524 words)

 Bighorn Institute
Female bighorn or "ewes" have slender, straighter horns that grow throughout their lives to lengths of 8-10" for Rocky Mountain bighorn ewes and 12-17" for desert bighorn ewes.
Generally, bighorn sheep are opportunistic feeders that adapt their diet to the forage available.
Desert bighorn lambs are usually born in January-June, with the majority of births in February-April.
www.bighorninstitute.org /faq.htm   (726 words)

 Desert Bighorn Sheep, Photo, Photos
The Desert Bighorn Sheep (Ovis canadensis nelsoni) found in southwestern California, is a subspecies of the North American desert bighorn sheep that occupies the rocky and arid Mojave and Senoran deserts of the American southwest and northern Mexico.
The desert bighorn sheep is highly endangered in the United States, having a population of only about 4000 individuals, and is under survival pressure due to habitat loss, disease, over-hunting, competition with livestock, and human encroachment.
The desert bighorn sheep prefers steep, rocky mountainsides that afford them a view with which to view approaching predators, for their eyesight is excellent.
www.oceanlight.com /log/2005/11/22/desert-bighorn-sheep.html   (321 words)

 Bighorn Sheep (DesertUSA)
Bighorn sheep are gregarious, sometimes forming herds of over 100 individuals, but small groups of 8-10 are more common.
Bighorns are generally active during the day, feeding morning, noon and evening, then lying down to chew their cud.
In the desert, off-road vehicles, trespassing cattle, poaching in the 1960s and early '70s, drought, disease and Mountain Lion predation have worked together to push this population to the edge of extinction.
www.desertusa.com /big.html   (1493 words)

 02.10.2004 - Bighorn sheep threatened by climate change, finds new study
According to the study, groups of bighorn sheep were more likely to be lost in lower elevation mountains where there were higher average temperatures and less precipitation.
Desert bighorn sheep primarily live in small, isolated groups throughout the mountain ranges of the Sonoran, Mojave and Great Basin deserts of the southwestern United States.
Statewide, the population of desert bighorn is estimated at 3,500.
www.berkeley.edu /news/media/releases/2004/02/10_sheep.shtml   (868 words)

 Joshua Tree NP-Bighorn Sheep
Desert Bighorn prefer a habitat of steep, rocky terrain for escape from predators, bedding, and lambing.
Bighorn have extremely acute eyesight, which aids in jumping and gaining footholds in the steep terrain.
Like all sheep, bighorn are gregarious, sometimes forming herds of over 100 individuals, but small groups of eight to 10 are more common.
www.nps.gov /jotr/nature/animals/mammals/sheep/sheep.html   (912 words)

 Bighorn Institute
Bighorn Institute is dedicated to the conservation of the world's wild sheep through research and education.
Bighorn Institute is a nonprofit, tax-exempt organization created in 1982 by a group of biologists and veterinarians to investigate the causes of bighorn sheep declines, with the primary focus being Peninsular desert bighorn sheep (Ovis canadensis).
Bighorn Institute provides ecological information related to bighorn sheep to various organizations and agencies to promote the conservation and proper management of wild sheep and their habitat.
www.bighorninstitute.org /mission.htm   (337 words)

 Desert Bighorn Sheep
The Sierra Diablo Mountains population, in Culberson and Hudspeth counties, is a result of two successful releases of pen-raised sheep, consisting of 4 rams and 3 ewes in June 1973, and 3 rams and 4 ewes in January 1979.
The bighorns in the Sierra Vieja Mountains of Presidio County are the result of a release of 4 rams and 1 ewe from the 600-acre Chilicote Ranch brood pasture on March 16, 1987.
These sheep consisted of 1 mature ram, 5 mature ewes, 13 yearling rams, and 4 yearling ewes relocated from the Sierra Diablo brood facility in December 1990, plus 3 lambs born in the holding pen.
www.tpwd.state.tx.us /landwater/land/habitats/trans_pecos/big_game/desertbighornsheep   (899 words)

 [No title]
Bighorn sheep in Arizona have declined over the last century due to a variety of human-related factors including livestock diseases, habitat destruction and human disturbance.
The natural population in the Kofa Mountains in western Arizona is one of the few stable natural populations of desert bighorn.
Although the diet of bighorn sheep varies according to the habitat and season, bighorn primarily eat grasses and browse, such as mesquite and palo verde leaves.
www.desertmuseum.org /visit/events_bighorn.html   (788 words)

 Bighorn Sheep
Bighorn sheep (Ovis Canadensis) inhabit grassy mountains, alpine meadows and foothill country near rocky cliffs that allow quick escape.
Desert Bighorn sheep are considered to be good indicators of land health, because they are sensitive to human-induced environmental problems.
The digestive system of Bighorn sheep is very complex and has 9 stages that allow the sheep to maximize removal of nutrients from various foods.
www.bighorn-sheep.com   (249 words)

 Desert Bighorn Sheep Hunting in Arizona   (Site not responding. Last check: 2007-11-01)
Desert populations have since fallen to about 20,000; of which about 4,500 are found in Arizona.
Bighorn sheep have a life expectancy of 10 to 12 years, but can reach 17 or older.
Totally protected by the territorial legislature in 1893, bighorn sheep were not legal game in Arizona until 1953, when it was determined that the limited hunting of trophy rams might be the only way to save these animals.
www.gf.state.az.us /h_f/game_bighorn.shtml   (571 words)

 Desert Bighorn Sheep - Discover The Outdoors   (Site not responding. Last check: 2007-11-01)
The bighorn's body is compact and muscular; the nose (muzzle) is narrow and pointed; the ears are short and pointed; the tail is very short (4 to 6 inches long); the hooves are sharp-edged, with a soft center.
Desert bighorns are found in Nevada, Utah, and California to west Texas, the Arizona Strip, and south into Mexico.
Desert bighorn habitat is typically rough, rocky, cliffs and bluffs, allowing a quick escape from predators.
www.dto.com /hunting/species/generalprofile.jsp?speciesid=78   (821 words)

 Desert Bighorn Sheep
The development of artificial waters is often used to improve habitat for the advancement of desert bighorn sheep populations.
Desert bighorn sheep use (% composition of photographs) ranked third among 13 species documented and accounted for 29% (n = 412) of all photographs.
The results of this study indicate that desert bighorn sheep utilize artificial waters during critical periods of high temperatures and low rainfall.
www.sulross.edu /pages/4680.asp   (369 words)

 Arizona Guided Hunts: Desert Bighorn Sheep Hunting Outfitters & Guides - desert sheep hunts
Desert big horn sheep tags are limited to such an extent that Arizona and New Mexico only allow each hunter one desert bighorn sheep in a lifetime.
Both are members of the Desert Bighorn Sheep Society and are very knowledgeable and experienced in locating, hunting, and judging bighorn sheep.
We know most sheep units, but sheep locations within the units vary from year to year due to the constantly changing food and water sources of the desert.
www.arizonahunting.net /bighornsheep.htm   (1351 words)

 Peninsular Bighorn - Paul Baumann
The Bighorn Institute reported that between 1991 and 1996 in the northern Santa Rosa Mountains, five bighorn were killed by cars, one strangled in a wire fence, and five died from eating poisonous ornamental plants.
During the six year study period, we documented 9 bighorn hit by automobiles, 5 of which were fatally injured; 5 bighorn deaths from ingestion of exotic poisonous plants such as oleander; and 1 bighorn strangled in a wire fence.
Bighorn Institute - dedicated to the conservation of the world's wild sheep through research and education, with particular emphasis on the endangered Peninsular bighorn sheep.
employees.oneonta.edu /baumanpr/geosat2/Bighorn_Sheep/Peninsular_Bighorn.htm   (7686 words)

 White Sands Missile Range Aids New Mexico In Re-establishment of Desert Bighorn Sheep
Of the 51 sheep released in the San Andres Mountains this year, 20 came from the Kofa National Wildlife Refuge and 31 came from New Mexico's Red Rock desert bighorn sheep breeding facility.
It is the second-largest free-roaming population of desert bighorn in New Mexico.
The sheep population was reduced to a single ewe by 1997.
aec.army.mil /usaec/publicaffairs/update/win03/win0303.html   (794 words)

 ScienceDaily: Bighorn Sheep Threatened By Climate Change
Bighorn in the Peninsular range, as well as a separate subspecies in the Sierra Nevada, are listed as state and federal endangered species.
Bighorn Sheep are named for the large, curved horns borne by...
Desert -- A desert is a landscape form or region that receives little precipitation - less than 250 mm (10 in) per year.
www.sciencedaily.com /releases/2004/02/040212080717.htm   (2138 words)

 Special Species: Kid Creations: Bighorn Sheep   (Site not responding. Last check: 2007-11-01)
Bighorn sheep are threatened and on the brink of becoming an endangered animal.
There are several varieties of bighorn in the United States: the Desert Bighorn in the West, the Rocky Mountain Bighorn, and Dall Sheep in Alaska.
These bighorns have short hair which is light gray to grayish brown, except around their stomachs and rump, where it is creamy white.
www.specialspecies.com /Pages/kid_creations/bighorn_sheep/bighorn.html   (240 words)

 Desert bighorn sheep poached
BLM LAW-ENFORCEMENT Ranger Lanny Wagner poses with the carcass of a desert bighorn sheep that was illegally killed near Slick Rock Canyon on Sunday.
The sheep was found in the S64 Bighorn Sheep unit, where the Colorado Division of Wildlife has issued three licenses for desert bighorn sheep to be hunted during the season from Nov. 4 to Dec. 3.
If a suspect is found, he or she could face felony charges for willfully destroying wildlife, a misdemeanor charge of illegal possession, and a surcharge, or additional penalties, under the Sampson statute, which is named after a 1,000-pound bull elk with a huge rack that was killed near Estes Park a few years ago.
www.cortezjournal.com /archives/1news945.htm   (333 words)

 Environment group sues over Sierra bighorn sheep   (Site not responding. Last check: 2007-11-01)
Among the most pressing concerns is the proximity of domestic sheep to bighorn habitat, a situation biologists fear is spreading diseases between the two populations, according to the lawsuit filed Thursday in Sacramento.
The wild sheep that are the subject of the suit live high in the Eastern Sierra, where they are threatened by mountain lions and genetic problems caused by inbreeding.
The lawsuit singled out as a problem the decision to allow ranchers to graze domesticated sheep and goats on public land that the environmental group says is crucial to the survival of the wild sheep.
www.azcentral.com /arizonarepublic/local/articles/1210desertbighorn.html   (463 words)

 Bighorn Sheep hunting
The most recent aerial survey of bighorn sheep habitat in the Missouri River Breaks indicates that the population of wild sheep in Hunting District 680 is at a record-high level.
The annual Bighorn Sheep Workshop offers wildlife enthusiasts an opportunity to learn about these sure-footed animals and view them in their native habitat during two separate two-day workshops on July 28-29 and Aug. 4-5.
Results of the drawings for moose, bighorn sheep and mountain goats controlled hunts now are available.
www.biggamehunt.net /sections/Bighorn_Sheep   (523 words)

 Desert Bighorn Sheep Diets
Ninety-four dietary items were identified, with overall bighorn diets consisting of 50 percent browse, 35 percent forbs, 11 percent grasses and 4 percent succulents.
Restoration and management of desert bighorn sheep in Texas must consider the important influence of diet on reproduction and maintenance of viable populations.
Management strategies should include: determining diets of all existing free-ranging bighorn populations; evaluation of the forage component prior to desert bighorn introductions; and implementation of techniques for evaluating habitat manipulations and monitoring forage use, status, condition and trends, including key indicator species.
www.sulross.edu /pages/4684.asp   (414 words)

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