Adenomera hylaedactyla (Cope, 1868)

Common Names

Napo Tropical Bullfrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 70).

Dark-spotted Thin-toed Frog (Hedges, Powell, Henderson, Hanson, and Murphy, 2019, Caribb. Herpetol., 67: 14). 

Distribution

Amazonian forests of southeastern Colombia and Venezuela east through the Guianas (see comment) and south into northern, eastern, and central Brazil, and south through Amazonian Ecuador and Peru to Bolivia, 0–1000 m elevation; Trinidad. An apparently introduced population in southwestern Tobago. 

Geographic Occurrence

Natural Resident: Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, Venezuela

Introduced: Trinidad and Tobago

Comment

Records from Argentina and Paraguay now assigned to Adenomera diptyx. See account by Heyer, 1973, Contrib. Sci. Nat. Hist. Mus. Los Angeles Co., 251: 35–40. Heyer and Silverstone, 1969, Fieldiana, Zool., 51: 141–145, reported on larval morphology. See comment under Adenomera diptyx. Lescure and Marty, 2000, Collect. Patrimoines Nat., Paris, 45: 226–227, provided a photo and brief account for French Guiana. Rodríguez and Duellman, 1994, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 22: 64–65, provided a brief account for the Iquitos region of northeastern Peru. Márquez, De la Riva, and Bosch, 1995, J. Zool., London, 237: 313–336, reported on vocalization in Bolivia. Köhler, 2000, Bonn. Zool. Monogr., 48: 111–112, provided a brief account. Murphy, 1997, Amph. Rept. Trinidad Tobago: 79–80, provided an account for Trinidad. Angulo, Cocroft, and Reichle, 2003, Herpetologica, 59: 490–504, reported the call. Brusquetti and Lavilla, 2006, Cuad. Herpetol., 20: 23, suggested that Paraguayan records of this species are based on misidentifications. França and Venâncio, 2010, Biotemas, 23: 71–84, provided a record for the municipality of Boca do Acre, Amazonas, with a brief discussion of the range. See account (as Leptodactylus hylaedactyla) for Suriname population by Ouboter and Jairam, 2012, Amph. Suriname: 16–19. See Cole, Townsend, Reynolds, MacCulloch, and Lathrop, 2013, Proc. Biol. Soc. Washington, 125: 420–421, for brief account and records for Guyana. Zimmerman, 1983, Herpetologica, 39: 235–246, reported on advertisement call. Señaris, Lampo, Rojas-Runjaic, and Barrio-Amorós, 2014, Guía Ilust. Anf. Parque Nac. Canaima: 202–203, 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): 89, for comments on range and literature. Fouquet, Vidal, and Dewynter, 2019, Zoosystema, 41: 370–371, noted that the inselberg population of southern French Guiana and farther south is unlikely to be conspecific with the nominate species found along the coast. Dubeux, Silva, Nascimento, Gonçalves, and Mott, 2019, Rev. Nordestina Zool., 12: 18–52, summarized the literature on larval morphology. See brief account for the Manu region, Peru, by Villacampa-Ortega, Serrano-Rojas, and Whitworth, 2017, Amph. Manu Learning Cent.: 216–217. Dubeux, Gonçalves, Ramos, Melo, Silva, and Mott, 2020, Herpetol. Notes, 13: 997–1002, provided a record (as Adenomera aff. hylaedactyla) for Pedra Talhada Biological Reserve, Quebrangulo Municipality, Alagoas, Brazil, and commented on natural history and range. Metcalf, Marsh, Torres Pacaya, Graham, and Gunnels, 2020, Herpetol. Notes, 13: 753–767, reported the species from the Santa Cruz Forest Reserve, Loreto, northeastern Peru. Camper, Torres-Carvajal, Ron, Nilsson, Arteaga-Navarro, Knowles, and Arbogast, 2021, Check List, 17: 729–751, provided a record from Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador. Reported from the Environmental Protection Area of Catolé and Fernão Velho, Alagoas, Brazil, by Dubeux, Nascimento, Gonçalves, and Mott, 2021, Pap. Avulsos Zool., São Paulo, 61 (e20216176): 1–10, who provided a key to the frogs of that region. Palmeira, Gonçalves, Dubeux, Lima, Lambertini, Valencia-Aguilar, Jenkinson, James, Toledo, and Mott, 2022, Cuad. Herpetol., 36: 65–75, reported on habitat in Natural Heritage Reserve Mata Estrela, Baía Formosa, Rio Grande do Norte state, Brazil. Taucce, Costa-Campos, Carvalho, and Michalski, 2022, Eur. J. Taxon., 836: 96–130, reported on distribution, literature, and conservation status for Amapá, Brazil. Schiesari, Rossa-Feres, Menin, and Hödl, 2022, Zootaxa, 5223: 85–86, detailed larval and metamorph morphology and natural history. Auguste, Auguste, Maingot, Pandey, and Muhammad, 2023, Reptiles & Amphibians, 30(e20741): 1–2, reported an introduced, reproducing population of Adenomera cf. hylaedactyla in southwestern Tobago

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• For access to general information see Wikipedia
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• To search the NIH genetic sequence database, see GenBank
• For additional information see AmphibiaWeb report
• For information on conservation status and distribution see the IUCN Redlist
• For information on distribution, habitat, and conservation see the Map of Life
• For related information on conservation and images as well as observations see iNaturalist
• For additional information specific to Ecuador see FaunaWebEcuador: Anfibios del Ecuador
• For access to available specimen data for this species, from over 350 scientific collections, go to Vertnet.