Euphonia affinis (Lesson, 1842) Vázquez-López & Morrone & Ramírez-Barrera & López-López & Robles-Bello & Hernández-Baños, 2020

Vazquez-Lopez, Melisa, Morrone, Juan J., Ramirez-Barrera, Sandra M., Lopez-Lopez, Anuar, Robles-Bello, Sahid M. & Hernandez-Banos, Blanca E., 2020, Multilocus, phenotypic, behavioral, and ecological niche analyses provide evidence for two species within Euphonia affinis (Aves, Fringillidae), ZooKeys 952, pp. 129-157 : 129

Euphonia affinis (Lesson, 1842) stat. nov.

Tanagra affinis Lesson 1842, Rev. Zool. 5: 175.

Tanagra affinis affinis ; Miller et al. 1957, Cooper Ornithol. Soc. Pac. Coast Avifauna 33: 298.

Euphonia affinis affinis ; Dickerman, 1981, Occ. Pap. Mus. Zool. Louisiana State. Univ. 59: 3.

Euphonia affinis olmecorum Dickerman, 1981, Occ. Pap. Mus. Zool. Louisiana State. Univ. 59: 4, syn. nov.

Morphological characterization.

Males. Yellow forehead, back black with bluish to violet glow, black throat, yellow from chest to belly, yellow subcaudal coverts feathers ( Hilty 2018). Morphometric characters, wing chord 52.167 mm, tail length 28.667 mm and bill depth 4.1985 mm.

Females. Forehead olive-yellow and gray, olive-green back. The throat is olive-yellow, with a yellow belly, subcaudal coverts feathers also in yellow ( Hilty 2018). Morphometric characters, wing chord 52.167 mm, tail length 28 mm and bill depth 4.117 mm.

Geographical distribution.

Through Gulf slope of Mexico from Nuevo Leon, S Tamaulipas and E San Luis Potosí to N Chiapas, Yucatan Peninsula, E of Guatemala, Belize to N Honduras; in the Pacific slope from W Oaxaca, Mexico to NW Costa Rica ( Hilty 2018).