rock snake
brown snake
proteroglyph
family Anhingidae
opisthoglyph
Natrix
crotaloid
hoop snake
viperine
elapid
lyre snake
habu
genus Natrix
pine woods snake
fierce snake
snakess
adder
water moccasin
caenophidian
carphophiine
pythonoid
cottonmouth moccasin
cottonmouth
eastern indigo snake
Drymarchon corais couperi
Agkistrodon piscivorus
bull-snake
cribo
genus Arizona
sand snake
sand viper
Joe Blake
nope rope
toxicoferan
bull snake
bolyeriid
danger noodle
Arizona
marsh snake
crappo
suborder Ophidia
suborder Serpentes
Sonora
genus Sonora
Channidae
Serpentes
Ophidia
homalopsid
class Channidae