the rise and fall of psoroptic scabies in bighorn sheep in the san andres mountains, new mexico. | between 1978 and 1997, a combination of psoroptic scabies (psoroptes spp.), mountain lion (puma concolor) predation, and periodic drought reduced a population of native desert bighorn sheep (ovis canadensis) in the san andres mountains (sam), new mexico, from >200 individuals to a single ewe. in 1999, this ewe was captured, ensured to be psoroptes-free, and released back into the sam. eleven radio-collared rams were translocated from the red rock wildlife area (rrwa) in new mexico into the sam r ... | 2005 | 16244062 |