White-barred piculet make the species vulnerable, and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern". White-barred piculet The white-barred piculet ("Picumnus cirratus") is a species of bird in the family Picidae, the woodpeckers, piculets, and wrynecks. It is found in south-eastern Brazil south and west to the Pantanal, and into south-eastern Bolivia, Paraguay and northern Argentina. A disjunct population occurs in the coastal parts of French Guiana, south to the Brazilian state of Amapá and west along the lower Amazon River up to around the Tapajós River. A small, apparently isolated population is
Black-dotted piculet Sucre, a few have finely barred chests. Rare individuals with scaly throats and pale buffy (rather than yellow) underparts resemble the scaled piculet, which can be distinguished by its scaly lower underparts. The crown is black with narrow scarlet streaks on the forepart and conspicuous white dots on the rear part, or throughout in some females. The upperparts are light olive-brown, slightly yellowish, with dusky spots on the shoulders and back. The song is "2 to several extremely high, thin notes, each slightly lower than the preceding, "tseeet, tseeet, tsee," etc." Possibly it is also used as a contact call.