Lancehead
Bothrops spp
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Lanceheads, which include the fer-de-lance, are a group of South America’s most venomous snakes. Lanceheads have a pointed and unelevated snout leading to their common name. They are responsible for more deaths in the Americas than any other snake group, and are a likely contender for the snakes that kill the most people worldwide. They prefer to bask in the sun on manmade forest trails, and so pose a considerable risk for walkers. However, if you are walking with a professional guide the risk is minimal, as guides know the snakes well and encounter them regularly. The snakes choose to avoid human contact if they can. Even if encountered, the snakes resort to defence displays first to alert animals of their presence. Alongside their dangerous image comes research used to benefit human health. Venom research of these snakes has revealed the drug Capoten, a billion dollar drug used in the treatment of high blood pressure and diabetes.
