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

coluber vipera aspis vipera vipera aegyptiaca echidna atricauda vipera avicennae cerastes vipera captive animal sand desert adult alone sand bury venemous species overview animal sequence sahara top view cerastes least concern september lesser cerastes vipera cerastes vipera north africa sinuosity nobody captive animals captive animals in captivity animal in captivity sand deserts ergs erg adults single lonely only solo one lone sands buried burying buryings venemous venomous overviews global sight global sights full length animal sequences animal series top views top sight top sights view from above top shot least concern species northern africa sinuosities sinuous winding windings with nobody fauna use natural resources use desert area stage of development individual enumeration mineral matter matter substance behavior risky species species particularity species shot sequence 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 shape