Sahara sand viper (Cerastes vipera) in the sand, From Mauritania to Egypt. Captivity

coluber vipera aspis vipera vipera aegyptiaca echidna atricauda vipera avicennae cerastes vipera captive animal sand desert adult predator alone eye sand lying in wait hide bury camouflage venemous species close up profile shot sahara cerastes least concern september lesser cerastes vipera cerastes vipera north africa nobody captive animals captive animals in captivity animal in captivity sand deserts ergs erg adults predators predatory single lonely only solo one lone eyes sands watchful be on the watch stalking being on the watch stalk at steal hidden hiding buried burying buryings camouflages venemous venomous profile sights profile sight profile shots profile view profile views side view least concern species northern africa with nobody fauna use natural resources use desert area stage of development individual predation relation between species species enumeration sensory system physiological system organ anatomy organism mineral matter matter substance hunt behavior risky species species particularity shot africa viperidae serpentes squamata lepidosauria reptilia tetrapoda vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota low risk iucn) lr iucn red list of threatened species viper with horns cerastes sp adders viper snake reptile wild animal animal