Xenodon dorbignyi

Xenodon dorbignyi
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Xenodon
Species:	X. dorbignyi
Binomial name
Xenodon dorbignyi (Bibron, 1854)
Synonyms [2]
Heterodon dorbignyi Bibron, 1854 Lystrophis dorbignyi — Cope, 1885 Xenodon dorbignyi — Zaher et al., 2009

Xenodon dorbignyi, the South American hognose snake, is a species of snake in the family Colubridae. The species is native to southern South America. There are four recognized subspecies.

Etymology

The specific name, dorbignyi, is in honor of French naturalist Alcide d'Orbigny. ^[3]

Geographic range

X. dorbignyi is found in Argentina, southern Brazil, Paraguay, and Uruguay. ^{[1] [2]}

Habitat

The preferred natural habitats of X. dorbignyi are forest and grassland, both with sandy soil. ^[1]

Description

X. dorbignyi may attain a total length of 56 cm (22 in), including a tail 8 cm (3.1 in) long. ^[4] It resembles the sympatric venomous snake Bothrops alternatus . ^[2]

Diet

X. dorbignyi preys upon insects, amphibians, and lizards. ^[1]

Reproduction

X. dorbignyi is oviparous. ^[2]

Subspecies

Four subspecies are recognized as being valid, including the nominotypical subspecies. ^[2]

• Xenodon dorbignyi chacoensis(Lema, 1994)
• Xenodon dorbignyi dorbignyi(Bibron, 1854)
• Xenodon dorbignyi orientalis(Lema), 1994)
• Xenodon dorbignyi uruguayensis(Lema, 1994

Nota bene : A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Xenodon .

References

1. Cacciali, P.; Carreira, S.; Giraudo, A.; Montero, R.; Scott, N. (2019). "Xenodon dorbignyi ". IUCN Red List of Threatened Species . 2019 e.T15183361A15183370. Retrieved 20 November 2021.
2. Species Xenodon dorbignyi at The Reptile Database
3. Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN   978-1-4214-0135-5. (Lystrophis dorbignyi, p. 74).
4. Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I–XX. (Lystrophis dorbignyi, pp. 151–152).

Further reading

• Bibron G (1854). In: Duméril A-M-C, Bibron G, Duméril A (1854). Erpétologie générale ou histoire naturelle complète des reptiles. Tome septième. Première partie. Comprenant l'histoire des serpents non venimeux. [= General Herpetology or Complete Natural History of the Reptiles. Seventh Volume, First Part. Containing the Natural History of the Nonvenomous Snakes ]. Paris: Roret. xvi + 780 pp. (Heterodon dorbignyi, new species, pp. 772–774). (in French).
• Cope ED (1885). "Twelfth Contribution to the Herpetology of Tropical America". Proceedings of the American Philosophical Society22: 167–194. (Lystrophis dorbignyi, new combination, p. 193).
• Freiberg M (1982). Snakes of South America. Hong Kong: T.F.H. Publications. 189 pp. ISBN   0-87666-912-7. (Lystrophis dorbignyi, pp. 103, 136 + photos on pp. 63, 130).
• Lema T (1994). "Lista commentada dos répteis occorentes no Rio Grande do Sul, Brasil ". Comunicações do Museo de Ciências e Tecnologia da Pontifícia Universidade do Rio Grande do Sul, Série Zoologia7: 41–150. (Lystrophis dorbignyi chacoensis, new subspecies, p. 118; L. d. orientalis, new ssp., p. 119; L. d. uruguayensis, new ssp., p. 120). (in Portuguese).