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Sibon leucomelas (BOULENGER, 1896)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Cloudy Snail-eating Snake
S: Caracolera subtropical
Portuguese: Caracoleira, Cobra-Cipó, Cobra-Nebulosa, Come-Lesma, Dormideira, Dorminhoca, Papa-Lesma 
SynonymLeptognathus leucomelas BOULENGER 1896
Sibon nebulata leucomelas — PÉREZ-SANTOS & MORENO 1988: 309
Sibon leucomelas — ARTEAGA & BATISTA 2023 
DistributionColombia, Panama

Type locality: Buenaventura, Colombia.  
Reproductionoviparous 
TypesHolotype: BMNH 1895.11.16.16; other specimens: CZI, MHCH 3149, SMF 97592, UV-C 5386, UV-C 7620, CPZ-UV 05823, CPZ-UV 05914, CZI-R158, MHCH 3121, SMF 89598 (fide ARTEAGA & BATISTA 2023, supplement) 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1075 characters), are available for collaborators and contributors. Please contact us for details. 
CommentDistribution: see map in ARTEAGA & BATISTA 2023: 27 (Fig. 12)

Habitat: fully arboreal (Harrington et al. 2018, by implication).

Similar species: S. nebulatus. 
EtymologyNamed after Greek leuco (λευκο), white + Greek melas (μέλας), black.

The genus name “Sibon may derive from the Latin noun sibonis, a kind of hunting spear" (Lee, 1996:357, cited in McCranie 2011). The name may refer to the attenuate form of the type species of the genus. See J. Peters (1960) for a discussion of the complicated nomenclatural history of the generic name Sibon. H. Smith (1983) argued that the name was masculine in gender, not neuter or feminine, as regarded by some authors. 
References
  • Arteaga, A., & Batista, A. 2023. A consolidated phylogeny of snail-eating snakes (Serpentes, Dipsadini), with the description of five new species from Colombia, Ecuador, and Panama. ZooKeys 1143: 1-49 - get paper here
  • Bernal, R. 2025. Serpientes de Colombia-Guía de Campo. Serie de Guías Tropicales de Campo. 19: 396 pp. Conservación Internacional Colombia, Bogotá - get paper here
  • Boulenger, George A. 1896. Descriptions of new reptiles and batrachians from Colombia. Ann. Mag. nat. Hist. (6) 17 (97): 16-21 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
 
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