Nyctimantis rugiceps Boulenger, 1882

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Nyctimantis > Species: Nyctimantis rugiceps

Nyctimantis rugiceps Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 422. Syntypes: BMNH (Ecuador),–164 (3 specimens) (Canelos) (although 4 specimens noted in original publication as coming from this location). Type localities: "Ecuador" and "Canelos", Pastaza, Ecuador.

English Names

Brown-eyed Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 60).


Known only from widely separated localities in Amazonian Colombia (Amazonas and Putumayo departments), Ecuador, and Peru; presumably to be found in adjacent Brazil.

Geographic Occurrence

Natural Resident: Colombia, Ecuador, Peru


For discussion see Duellman and Trueb, 1976, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 58: 1–14. R.I. Crombie (person. commun.) notes MZUSP specimens from Peru. Duellman, 1978, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 65: 168–168, provided a brief account including characterization of call. Lynch, 2005, Rev. Acad. Colomb. Cienc. Exact. Fis. Nat., 29: 58–588, reported this species from the region of Leticia, Amazonas, Colombia. Pérez-Villota, Anganoy-Criollo, and Betancourth-Cundar, 2009, Check List, 5: 270–272, provided a specific locality from the municipality of Orito, Putumayo Department, Colombia. Forti, Foratto, Márquez, Pereira, and Toledo, 2018, PeerJ, 6(e4813): 1–19, characterized the advertisement call. Souza, Rivera-Correa, Padial, and Castroviejo-Fisher, 2018, Zootaxa, 4532: 441–443, reported on advertisement call and natural history. 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. 

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