- Order: Piciformes
- Family: Picidae
The IUCN Red List status of Plain-breasted Piculet is Least Concern; the population trend, while not quantified, is believed to be one of decline (BirdLife International 2012).
The relative abundance of Plain-breasted Piculet is assessed as "fairly common" (Parker et al. 1996, Schulenberg et al. 2010).
Effects of human activity on populations
Human activity has little short-term direct effect on Plain-breasted Piculet, other than the local effects of habitat destruction. This species can occupy woody second growth, however, and so may be able to tolerate moderate levels of habitat disturbance.
Schulenberg, Thomas S., and Hope Batcheller. 2012. Plain-breasted Piculet (Picumnus castelnau), Neotropical Birds Online (T. S. Schulenberg, Editor). Ithaca: Cornell Lab of Ornithology; retrieved from Neotropical Birds Online: http://neotropical.birds.cornell.edu/portal/species/overview?p_p_spp=307256