Caballo Mountains gambelii" and "Callipepla squamata"), doves ("Zenaida macroura" and "Zenaida asiatica"). Common reptiles include Collared lizards ("Crotaphytus collaris"), Roundtail Horned Lizard ("Phrynosoma modestum"), Striped whipsnake ("Masticophis taeniatus"), and Western diamondback rattlesnake ("Crotalus atrox"). Caballo Mountains The Caballo Mountains, (Spanish: "horse") are a mountain range located in Sierra and Doña Ana Counties, New Mexico, United States. The range is located east of the Rio Grande and Caballo Lake, and west of the Jornada del Muerto; the south of the range extends into northwest Doña Ana County. The nearest towns are Truth or Consequences and Hatch. Most of the Caballo Mountains are located
Caballo Mountains Nakaye Formation of limestone, the Bar B Formation of interbedded limestone, dolomite, shale, and conglomerate, and the red shale beds of the Abo Formation. All of those strata are Pennsylvanian in age. Above them is thePermian Yeso Formation, which consists of sandstones, siltstone-dolomites, and limestones. The Paleozoic strata are completed by the Meseta Blanca Sandstone. Most of the Mesozoic rocks are missing from the Caballo geological history. A second unconformity lies above the Meseta Blanca Sandstone, and includes all of the Triassic and Jurassic periods. The next oldest rocks are of Cretaceous age and include: The Mesozoic rocks terminate below