Plain-breasted piculet has assessed its conservation status as being of "least concern." 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
Rufous piculet of bare skin around the eye. The legs and feet are yellowish or orange, and this piculet has just three toes on each foot, (four being normal in the woodpecker family). The juvenile is rather more grey. The rufous piculet is native to tropical southeastern Asia. Its range extends from southern Myanmar, through Thailand and the Malay Peninsula to the Greater Sunda Islands and Borneo. It is a resident and sedentary species, generally restricted to the lowlands and hills, but at altitudes of up to about in Borneo. Its typical habitat is dense humid secondary forests with tangled undergrowth, vines,