White-barred piculet different sub-populations of this bird on either side of the equator in South America. The northerly population is in Guyana, northwestern French Guiana and northern Brazil. The southern population is in southeastern Brazil, eastern Bolivia, eastern Paraguay and northern Argentina. The white-barred piculet occupies various habitats including wet and dry woodland, forest verges, thickets, gallery forests, wooded savannah, scrub, bamboo clumps, vines, creepers and overgrown parks and gardens at elevations of up to about . It is a resident, sedentary species. The white-barred piculet usually forages singly, but may join small mixed species flocks. It feeds on ants, their larvae
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.