Komodo dragons kill using a one-two punch of sharp teeth and a venomous bite, scientists have confirmed for the first time.
The find dispels the common belief that toxic bacteria in the Komodos' mouths are responsible for ultimately killing the dragons' prey.
An animal that escapes a Komodo's initial attack soon weakens and dies. The fierce carnivore tracks the wounded creature and dines at its leisure once the prey collapses.
Researchers have long thought that the Komodo dragon, native to Indonesia, kills via blood poisoning caused by the multiple strains of bacteria in the dragon's saliva.
But "that whole bacteria stuff has been a scientific fairy tale," said Bryan Fry, a venom researcher at the University of Melbourne in Australia.
While his colleagues expressed surprise at the findings, Fry said he wasn't so shocked.
His earlier research had shown that other lizard species—such as iguanas, legless lizards, and monitor lizards—are also venomous.
In fact, Fry estimates that close to a hundred of the more than 5,000 known lizard species use venom
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