Robust cottontail
| Robust cottontail | |
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S. robustus
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| Binomial name | |
| Sylvilagus robustus (Bailey, 1905)
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| File:Robust Cottontail area.png | |
| Robust cottontail range | |
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The robust cottontail or Davis Mountains cottontail (Sylvilagus robustus) is a species of cottontail rabbit endemic to four mountain ranges in the southwestern United States and adjacent Mexico.[2] It was long considered to be a subspecies of the eastern cottontail (S. floridanus), but has recently been promoted to species level due to morphological analysis.[3] Genetic data have confirmed the uniqueness of S. robustus.[4] S. robustus and the subspecies of S. floridanus are distinguished primarily by size, dental, and cranial differences. These rabbits typically average a total length of 42 cm, and weigh between 1.3 and 1.8 kg.[5] This species is restricted to dry, brushy, mountains at elevations above 1500 meters.[5] Despite its rarity, currently no governmental agency provides protection or listing for this species.[1]
Range
Historically, this species was known to be endemic to four mountain ranges. In Texas it was known in the Guadalupe Mountains, Davis Mountains and Chisos Mountains. In New Mexico it was known from the Guadalupe Mountains. And in Coahuila, Mexico it is known from the Sierra de la Madera. The Chisos and Guadalupe Mountains populations are believed to be extirpated.[1]
References
- ↑ 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found. Database entry includes a brief justification of why this species is endangered
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 The mammals of Texas: 2nd edition By David J. Schmidly, William B. Davis. 2004. pp. 466-467. University of Texas Press.
