Herpsilochmus pectoralis
The Pectoral Antwren, *Herpsilochmus pectoralis*, is a small, energetic passerine endemic to northeastern Brazil, belonging to the antbird family Thamnophilidae. Measuring approximately 11-12 cm (4.3-4.7 inches) in length and weighing 9-12 grams, it is a distinctly marked species. Males sport a striking black crown, a prominent white supercilium, black ear coverts, and grey upperparts, contrasted by black wings adorned with two conspicuous white wing bars. Its most diagnostic feature, giving ...
Found primarily in dry to semi-humid deciduous woodlands, caatinga, secondary growth, and gallery forest edges, typically at low to mid-elevations.
Feeds primarily on small arthropods, including insects and spiders, which it gleans from foliage and branches or captures in short aerial sallies.
Pectoral Antwrens are diurnal and highly active, often observed foraging in pairs or as key components of mixed-species flocks, particularly in the mid-story and understory. They employ an active foraging strategy, gleaning small arthropods from leaves, twigs, and bark, often hovering briefly or ...
The Pectoral Antwren is an endemic resident of northeastern Brazil, with its distribution centered within the Caatinga and Atlantic Forest transition zones. Its primary range spans the states of Maranhão, Piauí, Ceará, Bahia, Pernambuco, Alagoas, and Sergipe. It is non-migratory, maintaining its ...
Least Concern
- The 'pectoralis' in its scientific name directly refers to the distinctive black band across the male's chest, a key identification feature. - Pectoral Antwrens are expert insect-eaters, constantly searching for small arthropods, playing an important role in controlling insect populations in th...