viper crawls in the woods, ready to hit, sniffs the air, goes hunting

adder best camouflage cats closeup common conservation copperhead creepy czech danger endangered environment european eye fauna fear fejkl fejky forest frightening habitat head herpetology high jiri liberec lska mimetic ndhern nosehorned phobia photography photos poison poisonous predator predatory protected rattlesnake reptiles republic resolution scary slimy snake tajemn terrifying the toxic venomous viper vipera viperinae wild wonderful zmije