jararacussu
bothropic
jararaca
jararacussin
bothrombin
lancehead
river jack
bothropoid
fer-de-lance
Bothrops atrops
temple viper
horned viper
nigroviriditoxin
sand viper
asp
horned asp
cerastes
Cerastes cornutus
bothropasin
western diamondback rattlesnake
Boettger's two-headed snake
pentabothropic
copperhead
shore pit viper
viperine
bushmaster
black snake
Gaboon viper
water moccasin
ticpolonga
Nikolsky's viper
Russell's viper
galatrox
lowlands hump-nosed pit viper
carpet viper
jararhagin
red-shouldered hawk
tsingala
rhodocytin
scolopendrism
ammodytoxin
cottonmouth
Galápagos hawk
Pseudechis
family Helodermatidae
Helodermatidae
genus Pseudechis
Agkistrodon piscivorus
cottonmouth moccasin
twig snake