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Pygmy Short-horned Lizard - Phrynosoma douglasii
State Rank Reason (see State Rank above)
This species has been documented in Montana one time. Data to assess the conservation status in Montana are not available, and further surveys to determine if the species is present are needed.
General Description
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Species Range
Reported but Unconfirmed
Western Hemisphere Range
Observations in Montana Natural Heritage Program Database
Number of Observations: 1
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Stewardship Responsibility
References
- Additional ReferencesLegend:
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Baxter, G.T. and M.D. Stone. 1985. Amphibians and reptiles of Wyoming. Second edition. Wyoming Game and Fish Department. Cheyenne, WY. 137 p.- Becker, D.M. 1984. Reproductive ecology and habitat utilization of Richardson's Merlins in southeastern Montana. M.Sc. Thesis. Missoula, MT: University of Montana. 62 p.
- Dumas, P.C. 1964. Species-pair allopatry in the genera Rana and Phrynosoma. Ecology 45(1): 178-181.
- Hendricks, P. and J.D. Reichel. 1996b. Preliminary amphibian and reptile survey of the Ashland District, Custer National Forest: 1995. Montana Natural Heritage Program, Helena, MT. 79 p.
- Joslin, Gayle, and Heidi B. Youmans. 1999. Effects of recreation on Rocky Mountain wildlife: a review for Montana. [Montana]: Montana Chapter of the Wildlife Society.
- Mosimann, J.E. and G.B. Rabb. 1952. The herpetology of Tiber Reservoir Area, Montana. Copeia(1): 23-27.
- Nussbaum, R.A., E.D. Brodie, Jr. and R.M. Storm. 1983. Amphibians and reptiles of the Pacific Northwest. University of Idaho Press. Moscow, ID. 332 pp.
- Oechsli, L.M. 2000. Ex-urban development in the Rocky Mountain West: consequences for native vegetation, wildlife diversity, and land-use planning in Big Sky, Montana. M.Sc. Thesis. Montana State University, Bozeman. 73 p.
- Powell, G.L., and A.P. Russell. 1991a. Distribution of the eastern short-horned lizard (Phrynosoma douglasi brevirostre) in Alberta, Canada. Northwestern Naturalist. 72(1): 21-26.
- Reichel, J. and D. Flath. 1995. Identification of Montana's amphibians and reptiles. Montana Outdoors 26(3):15-34.
- Russell, A. P. and A. M. Bauer. 1993. The amphibians and reptiles of Alberta. University of Calgary Press. Calgary, Alberta. 264 p.
- Thompson, L.S. 1981. Circle West wildlife monitoring study: Third annual report. Technical report No. 8. Montana Department of Natural Resources and Conservation. Helena, Montana.
- Werner, J.K. 1974. Geographic distribution, Phrynosoma douglassi brevirostre. Herpetological Review 5(1):20.
- Zamudio, K.R., K.B. Jones, and R.H. Ward. 1997. Molecular systematics of short-horned lizards: biogeography and taxonomy of a widespread species complex. Systematic Biology 46:284-305.
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