Systematics and Population Ecology of Late Pleistocene Bighorn Sheep (Ovis Canadensis) of Natural Trap Cave, Wyoming
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Mandibular Hypodontia and Osteoarthritis in Prehistoric Bighorn Sheep (Ovis canadensis) in Eastern Washington State, USA
Mandibular hypodontia of the p2 was found to occur in 3 out of 21 individual prehistoric Rocky Mountain bighorn sheep (Ovis canadensis canadensis) from Moses Coulee Cave in eastern Washington State, similar to its frequency of occurrence in modern bighorn. There is no evidence of lumpy jaw (mandibular osteomyelitis) in the Moses Coulee Cave collection. Evidence from Moses Coulee Cave aligns wit...
متن کاملLocal Extinction and Unintentional Rewilding of Bighorn Sheep (Ovis canadensis) on a Desert Island
Bighorn sheep (Ovis canadensis) were not known to live on Tiburón Island, the largest island in the Gulf of California and Mexico, prior to the surprisingly successful introduction of 20 individuals as a conservation measure in 1975. Today, a stable island population of ∼500 sheep supports limited big game hunting and restocking of depleted areas on the Mexican mainland. We discovered fossil du...
متن کاملFrequency of pathology in a large natural sample from Natural Trap Cave with special remarks on erosive disease in the Pleistocene.
Population data are presented for erosive arthritis, osteoarthritis, diffuse idiopathic skeletal hyperostosis (DISH), joint eburnation and dental injury in a fauna from Natural Trap Cave, Wyoming, represented by over thirty thousand bones from twenty-four different species. Erosive arthritis is limited to the bovids, Bison, Ovis and Bootherium. Erosive arthritis is also present in bison from th...
متن کاملShared Bacterial and Viral Respiratory Agents in Bighorn Sheep (Ovis canadensis), Domestic Sheep (Ovis aries), and Goats (Capra hircus) in Montana
Transmission of infectious agents from livestock reservoirs has been hypothesized to cause respiratory disease outbreaks in bighorn sheep (Ovis canadensis), and land management policies intended to limit this transmission have proven controversial. This cross-sectional study compares the infectious agents present in multiple populations of bighorn sheep near to and distant from their interface ...
متن کاملBighorn sheep (Ovis canadensis) diseases: a brief literature review and risk assessment for translocation
Prior to European settlement in western North America, bighorn sheep (Ovis canadensis) were more widespread and abundant than they are today (Buechner 1960). The species arrived via the Bering land bridge approximately 70-100,000 years before the present (YBP) (Kurten and Anderson 1980) and slowly spread to occupy most mountainous regions of western North America from southern British Columbia ...
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