Hypocnemis ochrogyna
The Rondônia Warbling Antbird, *Hypocnemis ochrogyna*, is a striking member of the antbird family (Thamnophilidae), endemic to the southwestern Amazon Basin. Males exhibit a bold pattern of a black crown and ear coverts, a crisp white supercilium and malar stripe, and olive-brown upperparts often faintly streaked. Their underparts are white, heavily streaked with black on the breast and flanks, transitioning to a distinctive ochraceous wash on the lower belly and vent - a key field mark that ...
Found in the understory and mid-story of lowland humid evergreen forests, preferring dense vegetation, often near watercourses or in regenerating secondary growth, typically below 500 meters.
Primarily insectivorous, feeding on a variety of small arthropods, including insects and spiders, gleaned from vegetation and captured during ant-following events.
Rondônia Warbling Antbirds are diurnal and highly active, typically observed singly or in pairs foraging in the dense undergrowth. They employ a gleaning strategy, meticulously searching foliage, twigs, and bark for arthropods, often making short hops and dashes. A notable behavior is their assoc...
The Rondônia Warbling Antbird is a non-migratory resident confined to a relatively restricted area of the southwestern Amazon Basin. Its primary distribution lies in eastern Rondônia and northern Mato Grosso in Brazil, extending westward into the lowlands of northeastern Bolivia, specifically in ...
Least Concern
- The 'ochrogyna' in its scientific name translates to 'ochre female', referring to the distinct ochraceous wash on the female's underparts, a key identifier. - It was only recognized as a distinct species in 2007, previously being considered a subspecies within the widespread Striped Antbird (*H...