Dipsas gracilis (BOULENGER, 1902)

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Graceful Snail-eater
Synonym	Leptognathus gracilis BOULENGER 1902: 57 Leptognathus hammondii BOULENGER 1920: 108 Sibynomorphus macrostomus AMARAL 1924: 200 Sibynomorphus macrostomus — AMARAL 1925: 9 Dipsas gracilis — PETERS 1960: 44 Dipsas gracilis — LEHR 2002: 204 Dipsas gracilis — WALLACH et al. 2014: 232
Distribution	NW Ecuador, Colombia [Castro,F. (pers. comm.)] Type locality: San Javier, Ecuador
Reproduction	oviparous
Types	Syntypes: BMNH 1946.1.20.95; two males. Holotype: USNM 14047 [Sibynomorphus macrostomus]
Diagnosis	Unfortunately 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 2713 characters), are available for collaborators and contributors. Please contact us for details.
Comment	Dipsas gracilis and D. viguieri are not distinguishable according to CADLE (2005). Distribution: not in Peru fide IUCN assessment. Habitat: fully arboreal (Harrington et al. 2018).
Etymology	Named after Latin “gracilis”, meaning small or lanky, or gracile.
References	Amaral, A. do 1925. South American snakes in the collection of the United States National Museum. Proc. US Natl. Mus. 67 (24): 1-30 - get paper here Arteaga AF, Bustamante-Enríquez LM and Guayasamin JM 2013. The Amphibians and Reptiles of Mindo. http://www.tropicalherping.com - get paper here Arteaga, A.; Bustamante, L.; Vieira, J. 2024. Reptiles of Ecuador. Khamai Foundation & Tropical Herping, 1073 pp. - 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,G.A. 1902. Descriptions of new batrachians and reptiles from northwestern Ecuador. Ann. Mag. Nat. Hist. (7) 9 (49): 51-57 - get paper here Boulenger,G.A. 1920. Descriptions of four new snakes in the collection of the British Museum. [Zamenis hotsoni unassigned.]. Ann. Mag. nat. Hist. (9) 6 (31): 108-111 - get paper here Cadle, J. E. 2005. SYSTEMATICS OF SNAKES OF THE DIPSAS OREAS COMPLEX (COLUBRIDAE: DIPSADINAE) IN WESTERN ECUADOR AND PERU, WITH REVALIDATION OF D. ELEGANS (BOULENGER) AND D. ELLIPSIFERA (BOULENGER). Bull. Mus. Comp. Zool. Harvard 158 (3): 67-136 - get paper here Carvajal-Cogollo, J.E.; L.E. Rojas-Murcia. & G. Cárdenas-Arévalo 2020. Reptiles del Caribe colombiano/ Reptiles of the Colombian Caribbean. Tunja: Editorial UPTC, 268 pp. - get paper here Cruz-García, Keyko & Andrea E. Narváez 2024. Herpetofauna Diversity and Habitat Use Assessment in Two Remnant Forests of Western Ecuador South American Journal of Herpetology Dec 2024 Vol. 33, No. 1: 1-9 - get paper here Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here Harvey, Michael B. 2008. New and Poorly Known Dipsas (Serpentes: Colubridae) from Northern South America. Herpetologica 64 (4): 422-451 - get paper here Harvey, Michael B. and Dirk Embert 2008. Review of Bolivian Dipsas (Serpentes: Colubridae), with Comments on Other South American Species. Herpetological Monographs 22 (1): 54-105 - get paper here Lehr, E. 2002. Amphibien und Reptilien in Peru. Natur und Tier-Verlag (Münster), 208 pp. - get paper here Mata-Silva, V, DeSantis DL, García-Padilla E, Johnson JD, Wilson LD. 2019. The endemic herpetofauna of Central America: a casualty of anthropocentrism. Amphibian & Reptile Conservation 13 (1) [General Section]: 1–64 (e168) - get paper here Moreno-Arias, Rafael. 2010. Geographic distribution: Dipsas gracilis. Herpetological Review 41 (3): 379-380 - get paper here Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp. Peters , J. A. 1960. The snakes of the subfamily Dipsadinae. Misc. Publ. Mus. Zool., Univ. Michigan (114): 224 pp. - get paper here Pinto-Erazo, M.A., Calderón-Espinosa, M.L., Medina-Rangel, G.F. & Méndez-Galeano, M.A. 2020. Herpetofauna from two municipalities of southwestern Colombia. Biota Colombiana 21(1): 41-57. DOI: 10.21068/c2020.v21n01a04 - get paper here Rojas-Morales JA, Arias- Monsalve HF, Caicedo-Martínez LS, et al. 2023. Historical perspective and state of knowledge of the non-avian reptiles (Vertebrata: Sauropsida) of the Department of Caldas, Central Andes of Colombia. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales. 47(185): 868-881 - get paper here Torres-Carvajal O, Pazmiño-Otamendi G, Salazar-Valenzuela D. 2019. Reptiles of Ecuador: a resource-rich portal, with a dynamic checklist and photographic guides. Amphibian & Reptile Conservation 13 (1): [General Section]: 209–229 (e178) - get paper here Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp. Werner, F. 1910. Neue oder seltenere Reptilien des Musée Royal d'Histoire Naturelle de Belgique in Brüssel. [Mabuia dolloi, Mabuia polylepis]. Zool. Jb. Abt. Syst. Okol. Geogr. 28 [1909]: 263-288. - get paper here
External links	IUCN Red List National Center for Biotechnology Information https://bioweb.bio/faunaweb/reptiliaweb/FichaEspecie/Dipsas%20gracilis Google images

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