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Dendrophidion paucicarinatum (COPE, 1894)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Cope's Forest Racer 
SynonymDrymobius paucicarinatus COPE 1894: 202
Dendrophidion paucicarinatus — STUART 1933
Dendrophidion paucicarinatus — SLEVIN 1942: 470
Dendrophidion paucicarinatus — PETERS & OREJAS-MIRANDA 1970: 80
Dendrophidion paucicarinatum — VILLA et al. 1988
Dendrophidion paucicarinatum — SAVAGE 2002
Dendrophidion paucicarinatum — WALLACH et al. 2014: 225 
DistributionS Costa Rica, W Panama, 1000-1600 m elevation

Type locality: La Candelaria, Costa Rica [probably equivalent to ‘‘Monte Redondo’’in San Jose ́ Province south of the Candelaria (Cedral) mountain range that forms the southern rim of the Valle Central; 09°47’17’’N, 84°07’24’’W, ca. 1,170 m elevation, fide Cadle & Savage 2014)  
Reproductionoviparous 
TypesHolotype: AMNH R-17268. Adult female (fide Cadle & Savage 2014); MNCR 116, a 1230 mm specimen (B. Carranza). 
DiagnosisDiagnosis: Dendrophidion paucicarinatum is distinguished from other species of the genus by a combination of having more ventrals (>17), fewer subcaudals (<140), very weak keels on the dorsal scales, and distinct transverse dark lines across each ventral in adults.


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CommentSimilar species: Has been confused with Drymobius chloroticus (SAVAGE 2002: 67).

Behavior: diurnal

Diet: frogs

Habitat: partly arboreal (Harrington et al. 2018). 
References
  • Cadle, John E. and Jay M. Savage 2014. Systematics of the Neotropical Snake Dendrophidion paucicarinatum (COPE), with a Description of its Hemipenis (Serpentes: Colubridae). . Bull. Mus. Comp. Zool. Harvard 161 (4): 111-138 - get paper here
  • Cope, E.D. 1894. Third addition to a knowledge of the batrachia and reptilia of Costa Rica. Proc. Acad. Nat. Sci. Philadelphia 1894: 194-206 - get paper here
  • Gilson, P. & Cossel, J., Jr. 2012. Dendrophidion paucicarinatum (white-lipped forest racer) elevation. Herpetological Review 43: 342 - 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
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Köhler, Gunther, Joseph Vargas, Johannes J. Köhler and Milan Vesel´y. 2013. Noteworthy distributional records of amphibians and reptiles from Costa Rica. Herpetological Review 44 (2): 280-283 - get paper here
  • Lieb C S 1991. Dendrophidion paucicarinatum (Cope). Talamanca forest racer. Catalogue of American Amphibians and Reptiles ( 521: 1-2 - get paper here
  • Morato, Sérgio Augusto Abrahão; Guilherme Nunes Ferreira; Michela Rossane Cavilha Scupino (eds.) 2018. Herpetofauna da Amazônia Central: Estudos na FLONA de Saracá-Taquera. Curitiba, Pr: STCP Engenharia de Projetos Ltda.; Porto Trombetas, Pa: MRN – Mineração Rio do Norte S.A., 2018.<br />210p. - get paper here
  • Sasa, M., Arias, E., & Chaves, G. 2025. Annotated list of amphibians and reptiles of Costa Rica: The role of the Museum of Zoology in cataloging the country’s herpetological diversity. Revista de Biología Tropical, 73(S2): e64536-e64536 - get paper here
  • Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press, 934 pp. [review in Copeia 2003 (1): 205]
  • Savage, J.M. & Bolaños, F. 2009. A checklist of the Amphibians and Reptiles of Costa Rica: Additions and nomenclatural revisions. Zootaxa 2005: 1–23 - get paper here
  • Slevin, J.R. 1942. Notes on a collection of reptiles from Boquete, Panama, with the description of a new species of Hydromorphus. Proc. Cal. Acad. Sci. 23: 463-480 - get paper here
  • Solorzano, A. 2004. Serpientes de Costa Rica - Snakes of Costa Rica. Editorial INBio, Costa Rica, 792 pp.
  • Stuart, L. C. 1933. Studies on Neotropical Colubrinae III. The Taxonomic Status of Certain Neotropical Racers. Copeia 1933 (1): 9-10 - get paper here
  • Taylor,E.H. 1954. Further studies on the serpents of Costa Rica. Univ. Kansas Sci. Bull. 36: 673-800. - 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.
 
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