Thicket Tinamou Crypturellus cinnamomeus
Version: 1.0 — Published March 7, 2014
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Up to nine subspecies are recognized:
occidentalis, described as Crypturus occidentalis Salvadori 1895; type locality San Blas, Nayarit, Mexico.
Occurs on the Pacific slope of Mexico from Sinaloa south to Guerrero (Blake 1979).
soconuscensis, described as Crypturellus cinnamomeus soconuscensis Brodkorb 1939; type locality Colonia Soconusco, Chiapas, Mexico
Occurs on the Pacific slope of southern Mexico in Oaxaca and Chiapas (Blake 1979).
Differs from nominate cinnamomeus in being somewhat larger and much more deeply colored throughout. Top of head blacker. Hindneck deeper rufous. Upperparts more dusky rufous, less bright and pale. Lower back and rump with blackish wavy bars much narrower, and with the interfasciate area darker brown. Uppertail coverts with the light bars much deeper and more reddish ochraceous. Tail also deeper rufous. Light markings on wings and upperwing coverts much darker and more rufous ochraceous. Superciliary stripe, sides of head, and sides of neck deeper chestnut. Breast deeper cinnamon, especially laterally. Entire posterior underparts, including crissum and thighs, with the light areas pale cinnamon instead of buffy (Brodkorb 1939).
mexicanus, described as Crypturus mexicanus Salvadori 1895; type locality Monte Verde, Tamaulipas, Mexico
Occurs in northeastern Mexico from southern Tamaulipas and San Luis Potosí south to northern Veracruz and northern Puebla (Blake 1979).
sallaei, described as Nothocernus [sic] sallaei Bonaparte 1856; type locality Córdoba, Veracruz, Mexico
Occurs in southeastern Mexico in southern Puebla, southern Veracruz, and adjoining parts of Oaxaca; also on the Pacific side of the Isthmus of Tehuantepec, south to Tonalá, Chiapas (Blake 1979).
goldmani, described as Crypturus sallaei goldmani Nelson 1901; type locality Chichén Itzá, Yucatán
Occurs in lowlands of southeastern Mexico (Tabasco and the Yucatán Peninsula), northern Guatemala (Petén), and northern Belize (British Honduras) (Blake 1979).
vicinior, described as Crypturellus cinnamomeus vicinior Conover 1933; type locality La Flor, Tegucigalpa, Honduras
Occurs in the interior valley of Chiapas, Mexico, south to the highlands and interior valleys of Guatemala and Honduras (Blake 1979).
cinnamomeus, described as Tinamus (Nothura) cinnamomea Lesson 1842); type locality La Unión, "Centre Amérique" [= El Salvador; Blake 1979)
Occurs in the Pacific lowlands of Guatemala, El Salvador, and Honduras in the region of the Golfo de Fonseca, Tegucigalpa (Blake 1979).
delattrii, described as Tinamus delattrii Bonaparte 1854; type locality Nicaragua
Occurs in the Pacific lowlands of Nicaragua (Blake 1979).
praepes, described as Crypturornis cinnamomeus praepes Bangs and Peters 1927; type locality Bolsón, Costa Rica
Occurs in western Costa Rica from the Golfo de Nicoya to the base of the Cordillera de Guanacaste and probably the lower slopes of the Cordillera de Tilarán (Blake 1979).
Monophyly of the genus Crypturellus is well-supported by analyses of both morphological and genetic characters (Bertelli et al 2002, Bertelli and Porzecanski 2004). Parker et al. (1995) noted vocal similarities betwen Crypturellus cinnamomeus, Crypturellus transfasciatus (Pale-browed Tinamou), and Crypturellus atrocapillus (Black-capped Tinamou). Phylogenetic analysis of both morphological and genetic characters confirms that transfasciatus and cinnamomeus are sister taxa (Bertelli et al 2002, Bertelli and Porzecanski 2004).
Crypturellus cinnamomeus occasionally hybridizes with Crypturellus boucardi (Slaty-breasted Tinamou) in Honduras (Monroe 1968), although Howell and Webb (1995) suggested that these reported hybrids "appear to pertain to brightly marked C. b. costaricensis".