Scinax exiguus (Duellman, 1986)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Scinax > Species: Scinax exiguus

Ololygon exigua Duellman, 1986, Copeia, 1986: 866. Holotype: KU 167094, by original designation. Type locality: "Km 144 on the El Dorado-Santa Elena de Uairén Road in the Gran Sabana, Estado de Bolívar, Venezuela, 1210 m (05° 53′ N, 61° 23′ W)".

Scinax exiguaDuellman and Wiens, 1992, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 151: 22.

Scinax exiguusKöhler and Böhme, 1996, Rev. Fr. Aquar. Herpetol., 23: 139.

English Names

Gran Sabana Snouted Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 64).


Northern part of the Gran Sabana (drainage of the Río Caroní), Estado de Bolívar, Venezuela, at elevations of 1210–1350 m into the northern part of the state of Roraima, Brazil; reported from likely into western Guyana. 

Geographic Occurrence

Natural Resident: Brazil, Colombia, Venezuela

Likely/Controversially Present: Guyana


In the Scinax staufferi, according to the original publication. Duellman, 1997, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 2: 21, commented on a population in southeastern Venezuela. In the Scinax ruber clade, unassigned to group, of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 97. See comments regarding distribution of Venezuelan population by Gorzula and Señaris, 1999 "1998", Scient. Guaianae, 8: 41. Señaris, Lampo, Rojas-Runjaic, and Barrio-Amorós, 2014, Guía Ilust. Anf. Parque Nac. Canaima: 182–183, provided a photograph and a brief account for the Parque Nacional de Canaima, Venezuela. Araujo-Vieira, 2017 "2016", Herpetol. Rev., 47: 624, provided records from the state of Roraima, Brazil, and briefly discussed the known range. Carvalho, Azarak, Bang, Duellman, and Giaretta, 2017, Neotropical Biodiversity, 3: 196–202, reassessed the vocalization and distribution in Roraima, Brazil. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 83, for comments on range and literature. Señaris and Rojas-Runjaic, 2020, in Rull and Carnaval (eds.), Neotrop. Divers. Patterns Process.: 571–632, commented on range and conservation status in the Venezuelan Guayana. Osorno-Muñoz, Gutiérrez-Lamus, and Caicedo-Portilla, 2021, In Oviedo et al., Plan de Manejo Ambiental: 93–105 (not seen by DRF), reported the species from the Ramsar site in Guainía, eastern Colombia. In the Scinax cruentomma group of Araujo-Vieira, Lourenço, Lacerda, Lyra, Blotto, Ron, Baldo, Pereyra, Suárez-Mayorga, Baêta, Ferreira, Barrio-Amorós, Borteiro, Brandão, Brasileiro, Donnelly, Dubeux, Köhler, Kolenc, Leite, Maciel, Nunes, Orrico, Peloso, Pezzuti, Reichle, Rojas-Runjaic, Silva, Sturaro, Langone, Garcia, Rodrigues, Frost, Wheeler, Grant, Pombal, Haddad, and Faivovich, 2023, S. Am. J. Herpetol., 27 (Special Issue): 96 (see comment under Hylinae).    

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.