Chochín de Tepuí

Identificación

The nominate subspecies of tepui wren is 11.5 to 12 cm (4.5 to 4.7 in) long and weighs 13 to 18 g (0.46 to 0.63 oz). The adult's crown and upperparts are chestnut brown that is slightly redder on the lower back and rump. Its tail is dark reddish brown with thin blackish bars. It has a yellowish buff supercilium and a dark brown streak behind the eye. The throat and breast are yellowish buff; the sides, flanks, and lower belly are reddish brown; and the vent area is buffy brown with dark brown bars. The juvenile is darker with scaly underparts. T. r. fulvigularis is darker and less reddish than the nominate. T. r. yavii has white underparts. T. r. duidae has whitish underparts and the bars on its tail are more pronounced. T. r. wetmorei is the most similar to the nominate, differing only by having gray central underparts. T. r. marahuacae is similar to wetmorei but is smaller and the entire belly is gray.

Taxonomía

The tepui wren has often been treated a subspecies of mountain wren (Troglodytes solstitialis). The South American Classification Committee of the American Ornithological Society (SACC/AOS) considers those two, ochraceous wren (T. achraceus), rufous-browed wren (T. rufociliatus), and Santa Marta wren (T. monticola) to be a superspecies.<p>The tepui wren has six subspecies:

Nombre científico

Troglodytes rufulus

Autoridad

Cabanis, 1849

Orden

Passeriformes

Familia

Troglodítidos

Género

Troglodytes

Distribución y hábitat

The subspecies of tepui wren are distributed thus:<p>The tepui wren inhabits humid forest, forest edges, and bushland on isolated flat-topped mountains called tepuis. In elevation it ranges from 1,000 to 2,800 m (3,300 to 9,200 ft) but is mostly found in the narrower band between 1,600 and 2,400 m (5,200 and 7,900 ft).

Migración

Especie residente

Comportamiento

Patrón migratorio: Especie residente.

Conservación

Tendencia poblacional: en declive.

Tendencia poblacional

en declive