darker on pileum, and passing into chestnut on lower rump and upper tail-coverts; tail darker sepia brown, passing into blackish brown terminally; chin and throat dull tawny-rufous or rufous-tawny (the chin sometimes decidedly paler, rarely dull whitish), passing into deeper tawny-rufous or tawny-chestnut on chest; rest of under parts plam brown (nearest mummy brown), sometimes tinged with more rufescent brown, especially on breast and under tail-coverts; under, wing-coverts mixed tawny and grayish brown; maxilla dusky horn color or blackish, mandible pale yellowish or dull whitish (in dried skins), dusky or horn colored terminally and along tomia; iris hazel;[1] legs and feet horn color or dusky (in dried skins).
Young. — Similar to adults, but colors rather duller, especially on throat and chest, which are dull tawny or tawny-brown, some of the feathers with very indistinct shaft-streaks of paler and (sometimes) with narrow and indistinct terminal margins of duller brown or dusky.
Adult male. — Length (skins), 142-163 (154); wing, 78-83 (80.5); tail, 51-62 (56.2); culmen, 23-27 (24.7) ; tarsus, 20-22 (21.2); middle toe, 16-17.5 (17).[2]
Adult female. — Length (skin), 158; wing, 80; tail, 56.5; culmen, 24; tarsus, 20.5; middle toe, 17.5.[3]
Southeastern Mexico, in States of Vera Cruz (Córdova; Potrero, near Córdova; Jico; Jalapa; Orizaba), and Mexico (City of Mexico), Guatemala (Cobán; Raxché; Savana Grande; Volcán de Agua), Honduras (Volcán de Puca, Department of Copán), Costa Rica (Cariblanco de Sarapiquí), Panamá (Lion Hill; Panamá; Calovévora; Cordillera de Tolé; Santiago de Veragua) and southward through Colombia (Bogotá; Frontino) and Ecuadór (Intaj; Sarayacu) to Peru (Yurimaguas ; Chyavetas) and lower Amazon (Rio Capím).[4]
- (?) "Sclerurus ruficollis Swainson, Birds Brazil, ["1834-41"], pl. 79."
- Sclerurus mexicanus Sclater, Proc. Zool. Soc. Lond., 1856 (pub. Jan. 26, 1857), 290 (Córdova, Vera Cruz, Mexico; coll. P. L. Sclater); 1859, 365 (Jalapa, Vera Cruz); 1864, 175 (City of Mexico); Cat. Am. Birds, 1862, 145, pl. 12
- ↑ W. W. Brown, jr., on label
- ↑ Seven specimens.
- ↑ One specimen.
Locality. Wing. Tall. Culmen. Tarsus. Middle
toe.males. Two adult males from Vera Cruz, Mexico 80.2 58.5 26 20.7 16.7 One adult male from Honduras 83 62 27 21 17.5 Four adult males from Panamá (Lion Hill) 80 53.6 23.2 21.5 17 - ↑ South American specimens not seen by me.
