Boana sibleszi (Rivero, 1972)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Boana > Species: Boana sibleszi

Hyla sibleszi Rivero, 1972 "1971", Caribb. J. Sci., 11: 182. Holotype: UPRM 3177, by original designation. Type locality: "Paso del Danto, La Escalera, entre El Dorado y Sta. Elena de Uairén, 1300–1400 m; Serranía de Lema, Edo. Bolívar, Venezuela".

Hypsiboas siblesziFaivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 88.

Boana sibleszi — Dubois, 2017, Bionomina, 11: 28. 

English Names

La Escalera Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 58).


Moderate elevations (500–1850 m) in highlands in eastern Venezuela and adjacent Guyana.

Geographic Occurrence

Natural Resident: Guyana, Venezuela


See Hoogmoed, 1979, Zool. Verh., Leiden, 172: 23, for account. Duellman, 1997, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 2: 19–20, commented on a population in southern Venezuela. See comments regarding distribution of Venezuelan population by Gorzula and Señaris, 1999 "1998", Scient. Guaianae, 8: 35–36. In the Hypsiboas punctatus group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 88. MacCulloch and Lathrop, 2005, Phyllomedusa, 4: 27–30, reported the species for Mount Ayanganna, Guyana, and provided an account. Señaris and Ayarzagüena, 2006, Herpetologica, 62: 315–316, discussed this species and previous misidentifications with Hypsiboas jimenezi. Myers and Donnelly, 2008, Bull. Am. Mus. Nat. Hist., 308: 58–60, discussed specimens from Auyantepui. Kok and Kalamandeen, 2008, Intr. Taxon. Amph. Kaieteur Natl. Park: 173–174, provided an account. MacCulloch and Lathrop, 2009, R. Ontario Mus. Contrib. Sci., 4: 14, commented on specimens from Mount Ayanganna, Guyana. See Cole, Townsend, Reynolds, MacCulloch, and Lathrop, 2013, Proc. Biol. Soc. Washington, 125: 408, for brief account and records for Guyana. Señaris, Lampo, Rojas-Runjaic, and Barrio-Amorós, 2014, Guía Ilust. Anf. Parque Nac. Canaima: 166–167, provided a photograph and a brief account for the Parque Nacional de Canaima, Venezuela. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 68, for comments on range, systematics, 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. Almeida, Moraes, Rojas-Zamora, Roberto, Carvalho, Ávila, Frazão, Silva, Menin, Werneck, Hrbek, Farias, and Gordo, 2021, Zootaxa, 4933: 301–323, transferred the species into the Boana pulchella group on the basis of molecular evidence.  

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