bn:00062640n
Noun Concept
Categories: All articles needing additional references, Articles with 'species' microformats, Crotalinae
EN
pit viper  Crotalinae  Agkistrodontini  Agkistrodontinii  Bothrophera
EN
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head WordNet 3.0
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EN
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head WordNet 3.0 & Open English WordNet
The Crotalinae, commonly known as pit vipers, or pit adders, are a subfamily of vipers found in Eurasia and the Americas. Wikipedia
Subfamily of vipers Wikidata
Any of various venomous snakes, of the subfamily Crotalinae, found in Asia and the Americas, with a deep pit or fossa on either side of the head that enables them to detect prey by infrared. Wiktionary