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
White-browed piculet a ring of bare pinkish or reddish skin. Males have a small golden-yellow patch on the forehead which females lack. Juveniles are duller in colour than adults, greener above and greyer beneath. The beak is grey, the iris is red and the legs are yellow or orange, the feet having just three toes, (four being the norm in the woodpecker family). In southern Myanmar and southeastern Thailand, where their ranges overlap, the white-browed piculet can be confused with the very similar rufous piculet ("Sasia abnormis"), but differs in the white streak above the eye and the darker beak. The white-browed