You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Chihuahua_(state)

Context:
The Chihuahuan Desert is home to a diverse ecosystem which is home to a large variety of mammals. The most common mammals in the desert include: Desert cottontail Sylvilagus audubonii, black-tailed jackrabbit Lepus californicus, hooded skunk Mephitis macroura, cactus mouse Peromyscus eremicus, swift fox Vulpes velox, white-throated woodrat Neotoma albigula, pallid bat Antrozous pallidus, and coyote Canis latrans. The most observed reptiles in the desert include: Mohave rattlesnake Crotalus scutulatus, twin-spotted rattlesnake Crotalus pricei, prairie rattlesnake Crotalus viridis, ridge-nosed rattlesnake Crotalus willardi, whip snake Masticophis flagellum, New Mexico whiptail Cnemidophorus neomexicanus, and red-spotted toad Bufo punctatus.

Question:
Which type of reptile is most common in the desert?

rattlesnake