Rufous-capped Nunlet

The rufous-capped nunlet is about 14 cm (5.5 in) long and weighs 14 to 22 g (0.49 to 0.78 oz). The nominate subspecies has a large rich chestnut crown. The rest of the face, its nape, and the sides of the breast are cold gray. The rest of the upperparts are plain dull brown with some reddish highlights. The chin and breast are reddish orange, the flanks a paler rufous, and the central underparts whitish. The bill is mostly silvery blue, the eye brown with a bare reddish ring around it, and the feet dark brownish gray. N. r. rufipectus has a darker cap and brighter breast than the nominate, N. r. nattereri a darker cap and duller breast, and N. r. inundata is darker and duller than nattereri.

The subspecies of rufous-capped nunlet are distributed thus:

N. r. rufipectus, northeastern Peru N. r. ruficapilla, eastern Peru and western Brazil south of the Amazon River N. r. inundata, along the Tocantins River in eastern Pará, Brazil N. r. nattereri, northern Bolivia and Brazil's Mato Grosso and western Pará states The species inhabits the undergrowth and subcanopy of a variety of landscapes, including terra firme, secondary, and transitional forest; forest along rivers and streams, and igapó. It most often associates with bamboo, especially thickets along river edges, but not exclusively. In hilly forested country it is often found along streams.

Specimens of rufous-capped nunlet had insect remains in their stomachs. No other information about its diet or feeding behavior has been published.