Assertion: viper | /r/HasProperty | venomous
Facets:
value: from the family viperidae
type: OTHER
Source sentences:
text: Many of these predators use vision to find their prey, and because the viper is deadly venomous, they probably recognise the distinctive, contrasting markings from a considerable distance and avoid the toad because of them, receiving a threatening hiss if the appearance doesn't put them off.
text: A viper is a venomous snake from the family Viperidae; such snakes are also known as viperids.
text: Vipers are venomous snakes that make up the family Viperidae.
text: All vipers are venomous and have long, hinged fangs.