Order: Passeriformes | Family: Fringillidae | IUCN Status: Least Concern
Age: Adult | Sex: Male | Loc. Aguas Calientes, Peru
Age: Adult | Sex: Female | Loc. Aguas Calientes, Peru
Age: Adult | Sex: Male | Loc. San Martin, Peru
Age: Adult | Sex: Female | Loc. Aguas Calientes, Peru
Status: The Thick-billed Euphonia is widespread and fairly common in a variety of habitats ranging from humid Amazonian forest to deciduous forest and scrub in the northwest in Tumbes. It is known to occur at elevations of up to 1200 m along the foothill of the Andes. It also occurs in Co, Ec, Br, and Bo.
Name in Spanish: Eufonia de Pico Grueso.
Sub-species: Thick-billed Euphonia (Euphonia laniirostris melanura), P. L. Sclater, 1851. E Colombia S through E Ecuador and E Peru (S to San Martín and N Ucayali), and C Brazil (Acre and generally E across Amazon Basin S of R Amazon to W Pará).
(Euphonia laniirostris hypoxantha), Berlepsch and Taczanowski, 1884. Pacific coast of Ecuador S to NW Peru (S Cajamarca).
(Euphonia laniirostris zopholega), (Oberholser), 1918. EC Peru (Junín and Cuzco).
(Euphonia laniirostris laniirostris), d’Orbigny & Lafresnaye, 1837. SE Peru and N Bolivia E to C Brazil (SE Amazonas and C Mato Grosso).
Meaning of Name: Euphonia: Gr. eu= good and phōnē= voice. Euphōnia= goodness of voice, excellence of tone. laniirostris: Genus Lanius Linnaeus, 1758, shrike and rostris, rostrum= billed, beak.

References:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 03/01/2016.