Limnoctites sulphuriferus
The Sulphur-bearded Reedhaunter (Limnoctites sulphuriferus) is a captivating and secretive passerine, a true specialist of South American wetlands. Measuring approximately 15-16 cm in length with a wingspan of 18-20 cm and weighing around 18-22 grams, this small ovenbird is subtly adorned with an olive-brown back, a paler, grayish-buff belly, and striking rufous undertail coverts. Its most distinctive field mark, giving rise to its common name, is the brilliant sulphur-yellow throat and malar...
Exclusively inhabits dense freshwater and brackish reedbeds, marshes, and tall emergent vegetation, typically found at low elevations up to 500 meters.
Primarily insectivorous, feeding on a variety of small insects (beetles, larvae, flies) and spiders gleaned from reed stems and leaves.
Sulphur-bearded Reedhaunters are largely diurnal but remarkably elusive, spending most of their time hidden deep within dense reeds. They exhibit an acrobatic foraging style, clambering and gleaning insects from stems and leaves, often hanging upside down. They are territorial during the breeding...
The Sulphur-bearded Reedhaunter is endemic to the wetlands of southeastern South America, with its primary distribution encompassing parts of southeastern Brazil, Uruguay, and northeastern Argentina. Its core breeding range is concentrated within the Pampa biome and associated Atlantic Forest coa...
Near Threatened
- The Sulphur-bearded Reedhaunter is a 'skulker' par excellence; birders often hear its distinctive call long before catching a fleeting glimpse of its vibrant throat. - Its scientific name 'Limnoctites sulphuriferus' roughly translates to 'sulfur-bearing marsh-dweller,' perfectly describing its ...