Plain-breasted piculet Plain-breasted piculet The plain-breasted piculet ("Picumnus castelnau") is a species of bird in the woodpecker family. It is found in the Ucayali and Amazon floodplains in eastern Peru. Its natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest. A small bird with a short tail, the plain-breasted piculet typically grows to a length of . It is mostly grey on the face and its nape and upper neck are finely barred in an olive green color. Its mantle and back are an olive, brown or grey color with slight pale barring and a light yellowish-brown,
Ocellated piculet slightly barred. The iris of the eye is black or brown, the beak is blackish and the legs and feet are grey. There is a grey orbital ring around the eye. Juveniles resemble females but are rather darker, with fine barring on the mantle and underparts. The ocellated piculet is native to South America. It is found in the foothills on the eastern side of the Andes, its range extending from Peru and Bolivia to northern Argentina, at altitudes between . Its habitat is primary rainforest and secondary moist forest, where it frequents bushy undergrowth, with vines, creepers and epiphytes.