Ololygon berthae (Barrio, 1962)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Ololygon > Species: Ololygon berthae

Hyla berthae Barrio, 1962, Physis, Buenos Aires, 23: 137. Holotype: LIHUBA 1080, by original designation; now in MACN. Type locality: "Punta Lara, [Departamento] Buenos Aires, Argentina".

Ololygon berthaeFouquette and Delahoussaye, 1977, J. Herpetol., 11: 393; Duellman, Marion, and Hedges, 2016, Zootaxa, 4104: 26. 

Scinax berthaeDuellman and Wiens, 1992, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 151: 10, 21.

English Names

Dwarf Snouted Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 63).


Northeastern Argentina, southern Paraguay, Uruguay, and southern Brazil.

Geographic Occurrence

Natural Resident: Argentina, Brazil, Paraguay, Uruguay


In the Scinax catharinae group of Faivovich, 2002, Cladistics, 18: 372, Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 95. Advertisement call was described in the original publication. See redescription by Barrio, 1964, Copeia, 1964: 583–585 (who considered it related to Scinax catharinae), as well as account by Cei, 1980, Monit. Zool. Ital., N.S., Monogr., 2: 491–492. See also comments (as Hyla berthae) regarding the paratypes by Klappenbach and Langone, 1992, An. Mus. Nac. Hist. Nat. Montevideo, Ser. 2, 8: 181. Achaval and Olmos, 2003, Anf. Rept. Uruguay, ed. 2: 44, provided a brief account and photograph for the Uruguay population. de Sá, Wassersug, and Kehr, 1997, Herpetol. J., 7: 13–17, described larval morphology. López, Blotto, and Cacicio, 1999, Cuad. Herpetol., 13:105–110, reported the species in Chaco province, Argentina. Waller and Beccaceci, 2000, Cuad. Herpetol., 14: 75, reported the species in Corrientes Province, Argentina. Cajade, Natale, and Alcalde, 2006, Herpetol. Rev., 37: 103, discussed the range and provided range extension, specifically with respect to Argentina. Brusquetti and Lavilla, 2006, Cuad. Herpetol., 20: 11, briefly discussed the range in Paraguay. Tadpoles compared to those of other members of the Scinax catharinae group by Conte, Nomura, Rossa-Feres, d'Heursel, and Haddad, 2007, Amphibia-Reptilia, 28: 177–192. Pereyra, Borteiro, Baldo, Kolenc, and Conte, 2012, Herpetol. J., 22: 133–137, compared the advertisement call of this species with Scinax aromothyellaWeiler, Núñez, Airaldi, Lavilla, Peris, and Baldo, 2013, Anf. Paraguay: 75, provided a brief account, image, and dot map for Paraguay. Pezzuti, Leite, Rossa-Feres, and Garcia, 2021, S. Am. J. Herpetol., 22 (Special Issue): 1–109, described and discussed larval morphology and natural history. In the Ololygon catharinae 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): 61 (see comment under Hylinae). Vicente-Ferreira, Nascimento, Batista, Kardush, Reyes, and Garey, 2024, Biota Neotrop., 24(1: e20231526): 1–17, provided (as Ololygon bertae) records from the Refúgio Biológico Bela Vista, Paraná, southern Brazil (adjacent to the Paraguay border), as well as providing identification keys to these species based on larval and adult morphology.

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