Synallaxis ruficapilla
The Rufous-capped Spinetail (*Synallaxis ruficapilla*) is a small, energetic passerine endemic to the Atlantic Forest and associated biomes of southeastern South America. Measuring approximately 15-16 cm (6-6.3 inches) in length and weighing 13-18 g (0.46-0.63 oz), its most distinctive feature is its rich rufous crown and a similarly colored, relatively long tail, often held cocked. The upperparts are a dull brownish-olive, contrasting with a greyish throat that may show faint dusky streaking...
Found primarily in subtropical and tropical moist lowland and montane forests, often preferring dense undergrowth, forest edges, secondary growth, and bamboo thickets. It occurs from sea level up to approximately 1,500 meters (4,900 feet) in elevation.
Feeds almost exclusively on small arthropods, including various insects (beetles, ants, caterpillars, flies) and spiders. It primarily forages by gleaning from dense foliage, twigs, and bark.
A highly active, diurnal species, the Rufous-capped Spinetail is notoriously skulking, spending most of its time foraging within dense vegetation, often in pairs. They are highly territorial, defending their home ranges year-round with characteristic vocalizations. Foraging involves meticulously ...
The Rufous-capped Spinetail is endemic to southeastern South America, primarily inhabiting the Atlantic Forest biome. Its breeding and year-round range extends across southeastern Brazil, from southern Bahia south through Espírito Santo, Rio de Janeiro, Minas Gerais, São Paulo, Paraná, Santa Cata...
Least Concern
- The Rufous-capped Spinetail's genus name, *Synallaxis*, means "alternating" or "changing," possibly referring to its varied calls or quick movements. - Its intricate, oven-like nest, crafted from sticks, is an architectural marvel designed to protect eggs and chicks from predators. - Despite be...