Black Tailed Rattlesnake
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Viperidae
- genus: Crotalus
- species: Crotalus molossus
Puebla de Zaragoza
Puebla- Plateros
Zacatecas
Mexico
Bayard- Laguna
- Reserve
- Santa Clara
- White Sands
New Mexico
United States