About Automolus ochrolaemus cervinigularis (P.L.Sclater, 1857)
The ochre-throated foliage-gleaner (Automolus ochrolaemus) is 18 to 20 cm (7.1 to 7.9 in) long and weighs 30 to 46 g (1.1 to 1.6 oz). It is a fairly large member of its genus, with a relatively short, heavy bill. The sexes share identical plumage. For adults of the nominate subspecies A. o. ochrolaemus, the face is mostly dark brownish, marked by a prominent buff eyering and a buff stripe behind the eye, faint reddish streaks on the ear coverts, and an ochraceous-buff malar area with faint dark flecks. The crown and nape are dark brown with a faint blackish brown scalloped pattern. The back and rump are rich dark brown, transitioning to dark chestnut on the uppertail coverts. Wing coverts are rich dark brown, and flight feathers are slightly paler and more rufous. The tail is dark chestnut. The throat is deep buff, the breast is streaked with medium brown and ochraceous buff, and the belly is brown. The flanks are darker and more rufescent brown, and the undertail coverts are dull chestnut. The iris ranges from brown to dark brown; the maxilla is blackish horn, gray, or horn brown; the mandible is greenish buff to gray; and the legs and feet are olive, greenish brown, or greenish gray. Juveniles are slightly duller than adults, with a less distinct eyering, a rufous tint to the face, a chestnut tint to the crown, and lightly mottled throat and breast. Subspecies A. o. pallidigularis is the palest and dullest, with a nearly white throat and dull brown underparts that lack any ochraceous tint. A. o. auricularis is larger and duller than the nominate, with a more grayish olive back and paler underparts with less streaking. A. o. turdinus has a paler throat and slightly less ochraceous underparts than the nominate; its underpart tone and markings are intermediate between the nominate and auricularis. The known distribution of each subspecies is as follows: A. o. pallidigularis is found in Tumbes–Chocó–Magdalena; A. o. turdinus ranges from southeastern Colombia east through southern Venezuela and the Guianas to the Atlantic coast, and south through eastern Ecuador into northeastern Peru and northwestern Brazil that lies north of the Amazon; A. o. ochrolaemus occurs south of the Amazon in eastern Peru, western Brazil, and central Bolivia; A. o. auricularis is found in central Brazil south of the Amazon between the Rio Purus and Pará state, and extends south into northeastern Bolivia. The ochre-throated foliage-gleaner lives in a variety of forested habitats across its very large range. In Panama, it is found in lowland rainforest and secondary forest up to approximately 1,500 m (4,900 ft) elevation. Across most of the Amazon Basin, it occurs in transitional forest, seasonally flooded várzea forest, and swamp forest, from sea level to about 1,000 m (3,300 ft). West of the Andes in Colombia and Ecuador, it is typically found in secondary forest up to about 800 m (2,600 ft). In localized areas along the Andes, it can reach elevations of 1,400 m (4,600 ft).
