Hemitriccus obsoletus
The Brown-breasted Bamboo Tyrant (Hemitriccus obsoletus) is a diminutive yet distinctive neotropical passerine, measuring approximately 10-11 cm (4 inches) in length and weighing around 7-8 grams. Its plumage is subtly colored, featuring brownish-olive upperparts, a slightly rufous-tinged cap, and a dusky tail. The wings are dusky with two noticeable rufous wing-bars, providing a key field mark for identification amidst the dense undergrowth. A narrow, pale eye-ring contrasts with dusky auric...
Found primarily in humid foothill and lower montane evergreen forests, the Brown-breasted Bamboo Tyrant specializes in dense bamboo thickets (e.g., Chusquea, Guadua spp.), typically at elevations between 500-1900 meters.
The Brown-breasted Bamboo Tyrant feeds almost exclusively on small insects and other arthropods, primarily acquired through gleaning from foliage and short aerial sallies.
This diurnal species is generally solitary or found in pairs, often becoming more vocal and territorial during the breeding season. Its foraging strategy involves active gleaning of small insects and arthropods from bamboo foliage, complemented by short, agile sallies to snatch flying insects fro...
The Brown-breasted Bamboo Tyrant is a resident species primarily distributed across southeastern South America, with disjunct populations further north. The main range extends from eastern Brazil, encompassing states like Bahia, Espírito Santo, Minas Gerais, Rio de Janeiro, São Paulo, Paraná, San...
Least Concern
- The 'obsoletus' in its scientific name refers to its somewhat 'obsolete' or indistinct plumage markings, helping it blend into the dark undergrowth. - Despite its name, its breast color is more accurately described as a dull brownish-olive rather than a strong brown. - It is often detected by i...