North American montane red foxes: expansion, fragmentation, and the origin of the Sacramento Valley red fox

@article{Sacks2010NorthAM,
  title={North American montane red foxes: expansion, fragmentation, and the origin of the Sacramento Valley red fox},
  author={B. Sacks and M. Statham and J. Perrine and S. Wisely and K. Aubry},
  journal={Conservation Genetics},
  year={2010},
  volume={11},
  pages={1523-1539}
}
Most native red foxes (Vulpes vulpes) in the western contiguous United States appear to be climatically restricted to colder regions in the major mountain ranges and, in some areas, have suffered precipitous declines in abundance that may be linked to warming trends. However, another population of unknown origin has occurred in arid habitats in the Sacramento Valley of California well outside this narrow bioclimatic niche since at least 1880. If native, this population would be ecologically… Expand
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