green viper

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  • Habitat preference: Found mostly in rain forest. Said to prefer relatively low and thick, flowering bushes.
  • Venom: Bites from this particular species have resulted in at least one report of severe hematological complications as well as two deaths.

(Trimeresurus trigonocephalus) Sri Lankan green pitviper
Mainly hemotoxic. Reported human envenomation symptoms of local pain & swelling generally subside within a few days. Bites & envenomations of plantation workers are relatively common, but only a few human fatalities from bites by this species have been reported.

(Causus resimus) Green night adder, Grune Nachtotter

If disturbed, they inflate themselves and put on a ferocious hissing and puffing threat display. The front part of the body is raised and coiled from which position they tend to make sweeping and lashing strikes as opposed to a stabbing motion.

(Crotalus basiliscus) Mexican west coast rattlesnake, Mexican green rattler

Not well known, but mainly hemotoxic; may also have potent tissue-necrotic factor(s). Usually very painful at the bite site w/ rapid progression of local & systemic symptoms if envenomation occurred. Humans are sometimes envenomated by this species, but reported fatalities are rare.