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
Antillean piculet of fruit compared to other piculets. Individuals and pairs forage rapidly through the understory of their habitat, mostly on small branches, twigs, vines and stalks, and less commonly on trunks. Food is mostly obtained by gleaning, with a few weak pecks (but no hammering as found in the true woodpeckers). The breeding season of the Antillean piculet is March to July. A cavity is excavated in a stump, tree, palm or fence post in which two to four eggs are laid. The pair are highly territorial and will aggressively call and display towards intruders. Antillean piculet The Antillean piculet ("Nesoctites