May 7, 2017
(Dispholidus typus) boomslang Very potently hemotoxic; can cause severe bleeding internally, within critical organs, & from mucous membranes. Human deaths reported in as short as 3-5 days.
seen from Sweden
seen from United States
seen from Italy
seen from Yemen
seen from United States
seen from Türkiye
seen from United States
seen from Brazil
seen from United States
seen from Yemen
seen from United States
seen from China
seen from United States
seen from Singapore
seen from Germany
seen from United States
seen from Ukraine
seen from United States
seen from United States
seen from Singapore
(Dispholidus typus) boomslang Very potently hemotoxic; can cause severe bleeding internally, within critical organs, & from mucous membranes. Human deaths reported in as short as 3-5 days.
(Crotalus basiliscus) Mexican west coast rattlesnake, Mexican green rattler 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.
(Bothrops asper) Terciopelo, barba amarilla, cantil, cantil Boca dorado, cantil devanador, yellow-jaw tommygoff, equis, equis negra, cascabelle, toboba rabo amarilla, cuatronarices, pelo de gato, nauyaca, taya equis, fer-de-lance Has a large supply of potent mainly hemotoxic venom w/ cytotoxic factors; envenomation can cause systemic internal bleeding & serious local tissue destruction. Causes immediate burning pain, edema, local hemorrhage, discoloration, necrosis, can cause wide-spread hemmorrhage (at multiple sites & intracranial), coagulopathy, severe hypotension, renal failure & shock. Causes more human deaths than any other pitviper species in the Western Hemisphere.’ Bothrops asper
(Crotalus enyo) Baja California rattlesnake Not much known; probably mainly hemotoxic but w/ tissue-necrotic factors. May be very painful at the bite site w/ rapid progression of local & systemic symptoms if envenomation occurred. Bites & significant envenomations, of humans occur occasionally, but there are no well-documented human deaths due to this species.
(Crotalus atrox) Western diamondback rattlesnake Primarily hemotoxic; venom also has potent necrotic (tissue-destroying) & myotoxic factors. In northern Mexico, responsible for more human deaths than any other snake & responsible for the most snake-bite casualties annually in North America.
(Bothriechis rowleyi) Rowley’s palm-pit viper Description Small to medium-sized, moderately slender, arboreal pitviper, w/ a prehensile tail, adults usually 50-100 cm long, & w/ 19-21 midbody dorsal scale rows. Body background color usually emerald green scales w/ bluish skin; frequently w/ bluish or yellow & black blotches. The head has no dark postocular stripe.
Habitat Found mainly in cloud forest & mesic revines in pine-oak forest at 1,060-1,830 m elevation. Limited to Mexico (southeastern Oaxaca, northwestern Chiapas).
Activity and Behavior Mainly arboreal & diurnal. Usually not aggressive & remains quietly coiled in vegetation, but will strike if disturbed. Ovoviviparous w/ reportedly 6-8 young/ litter. Prey mainly on arboreal frogs & small mammals.
Venom Characteristics Not well known, but reportedly considered a dangerous snake by local inhabitants. Venoms is mainly hemotoxic, but may also contain neurotoxic components. No specific antivenom to this species currently produced.
Hemotoxin
Progressive Death/Thrash