Heterodon
Sign in to saveHeterodon is a genus of harmless colubrid snakes endemic to North America. They are stout with upturned snouts and are perhaps best known for their characteristic threat displays. Three species are currently recognized. Members of the genus are commonly known as hognose snakes, hog-nosed snakes, North American hog-nosed snakes, and colloquially puff adders (though they should not be confused with the venomous African vipers of the genus Bitis).
Species
Genus
- PhylumChordata
- ClassMammalia
- OrderCetartiodactyla
- FamilyZiphiidae
Heterodon Dipsadidae familiako narrasti genero bat da. Ipar Amerikan bizi dira. Espezieak Heterodon gloydi Edgren, 1952 Heterodon kennerlyi Kennicott, 1860 Heterodon nasicus Baird & Girard, 1852 Heterodon platirhinos Latreille, 1801 Heterodon simus (Linnaeus, 1766) (RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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8 sectionsContents
- Description
- Behavior
- Feeding
- Captivity
- Species
- References
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Heterodon is a genus of harmless colubrid snakes endemic to North America. They are stout with upturned snouts and are perhaps best known for their characteristic threat displays. Three species are currently recognized. Members of the genus are commonly known as hognose snakes, hog-nosed snakes, North American hog-nosed snakes, and colloquially puff adders (though they should not be confused with the venomous African vipers of the genus Bitis).
==Description== left|thumb|Western hog-nosed snake (Heterodon nasicus|H. nasicus) Adults grow to in total length. The body is stout and the head is slightly distinct from the neck. The latter is expandable, the anterior ribs being capable of spreading to flatten that portion of the body, similar to a cobra. The tail is short and the anal scale divided. The dorsal scales are keeled with apical pits in 23-25 rows. The rostral scale is projecting, upturned, recurved and keeled dorsally. There are usually 1-20 accessory scales (azygous) that separate the internasals and the prefrontals. A subocular ring is present with 8-12 ocular scales. There are 7-8 upper labials and 9-13 lower labials. The ventrals number 114–152 and the subcaudals 27–60.