Bar-breasted piculet measurements, the wing chord is , the tail is , the bill is and the tarsus is . These yellowish green piculets have horizontal barring on the chest and vertical streaking on the belly. Several different subspecies exist throughout their large range. Unfortunately, very little is known about their life history and basic ecology. Bar-breasted piculet The bar-breasted piculet ("Picumnus aurifrons") is a species of bird in the family Picidae. It is found in Bolivia, Brazil, Colombia, and Peru. Its natural habitats are subtropical or tropical moist lowland forests and sometimes in heavily degraded former forest. The bar-breasted piculet is
White-barred piculet and heavily degraded former forest. The white-barred piculet was first described in 1825 by the Dutch zoologist Coenraad Jacob Temminck. It was given the name "Picumnus cirratus", the specific name meaning "curly headed", "cirrus" being Latin for a ringlet or curl. Molecular studies show that it is the sister species to "P. temminckii" and also closely related to "P. dorbignyanus", and at different times these species have been treated as synonymous. Six subspecies are recognised; "P. c. confusus" found in southwestern Guyana, northern Brazil and French Guiana; the Marajo piculet, "P. c. macconnelli" found in the eastern Amazon region of