Herpsilochmus dorsimaculatus
The Spot-backed Antwren (Herpsilochmus dorsimaculatus) is a small, active passerine of the antbird family (Thamnophilidae), measuring approximately 11.5 cm (4.5 inches) in length. Males are characterized by a striking grey crown and nape, a prominent black supercilium, and a distinctive white post-ocular stripe. Their back is black with white spots, giving the species its common name, while the underparts are white, sometimes tinged buffy on the flanks. Black wings feature two clear white win...
Inhabits tropical lowland evergreen forests, primarily terra firme (unflooded) forests. Typically found in the midstory to subcanopy layers, occasionally ranging higher or lower.
Feeds primarily on insects and other small arthropods. Forages by gleaning prey from foliage and small branches.
The Spot-backed Antwren is a highly active, diurnal species, constantly moving and foraging throughout its arboreal habitat. It primarily employs a gleaning foraging strategy, plucking insects and other small arthropods from leaves, twigs, and small branches in the forest midstory and canopy. Thi...
The Spot-backed Antwren is endemic to the upper Amazon basin of South America, exhibiting a relatively widespread resident distribution. Its primary range extends across eastern Colombia, eastern Ecuador, eastern Peru, and western Brazil, reaching into the states of Amazonas, Acre, Rondônia, and ...
Least Concern
- The Spot-backed Antwren is one of approximately 20 species within the diverse Herpsilochmus genus, all known for their distinctive dorsal patterns. - It is a quintessential participant in the complex mixed-species foraging flocks of the Amazonian rainforest, often acting as a 'nuclear' species....