White-browed piculet descending to the ground, where it may hop for short distances. This bird uses pieces of bamboo to make its nest. It picks up bits of broken bamboo with its feet, and uses its beak to pull away partially broken fragments. Breeding takes place between March and July. The white-browed piculet is described as a fairly common bird and has a very extensive range. No particular threats to this bird are known and, in the absence of evidence to the contrary, the population is believed to be stable. For these reasons, the International Union for Conservation of Nature has assessed
Varzea piculet is unlikely to be confused with any other piculet because it is the only species in its range with dark underparts. The varzea piculet is endemic to Brazil in tropical South America where it has a rather limited range. It lives along the Amazon River in a wildlife corridor, in the forest called "várzea forest", a freshwater swamp forest. It ranges from the confluence of the Amazon River with the Rio Negro in a , variable-width corridor downstream for about to the confluence of the Trombetas River from the north. The confluence of the Tapajós River joins here from the