Western diamondback rattlesnake (Crotalus atrox), S. Arizona.

crotalus atrox desert arizona adult alone tongue venemous species profile shot overview western diamond backed rattlesnake crotalus atrox crotalus june rattle desertic areas desert areas desert area desertic zone desertic zones desertic area adults single lonely only solo one lone tongues venemous venomous profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length western diamond backed rattlesnakes least concern species sound effect area mountain states western united states united states of america north america america stage of development individual morphology zoology organism risky species species particularity species rattlesnake crotalus sp rattlesnake snake reptile sauropsid vertebrate chordate wild animal animal viperidae serpentes squamata lepidosauria reptilia sauropsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota iucn red list of threatened species