Varzea piculet south. Its typical habitat is dense forest with vines and creepers on the Amazon floodplain and adjoining swampy forested areas, wooded islands and riverine woodland. It is a sedentary and non-migratory species. The varzea piculet is presumed to feed on small invertebrates like other members of the genus, but its diet has not been studied. Its breeding habits are also poorly known, but the breeding season may be from June to December, and young birds have been recorded in September. The varzea piculet is a poorly known bird with a restricted range in the Brazilian rainforest. It is threatened by
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.