Assertion: pit viper | /r/HasProperty | a species of viper
Facets:
Source sentences:
text: The Brazilian pit viper (Bothrops jararaca) is a species of viper endemic to South America and is an important cause of snakebite in that region.
text: Pit viper, any species of viper (subfamily Crotalinae) that has, in addition to two movable fangs, a heat-sensitive pit organ between each eye and nostril which together help it accurately aim its strike at its warm-blooded prey.