black-necked garter snake thamnophis cyrtopsis

animal animalia animals black blacknecked checkered colubrid colubridae cyrtopsis fauna flicking garter gartersnake gartersnakes herp herpetofauna herpetology herping herps nature necked position reptile reptiles reptilia reptilian scale scaled scales scaly serpent serpents slither slithering slithers snake snakes sqamata stike striped thamnophis tongue vertabrate vertabrates wild wildlife