Campylorhynchus griseus
The Bicolored Wren, Campylorhynchus griseus, is a striking and relatively large member of the wren family (Troglodytidae), measuring around 18-22 cm (7.1-8.7 in) in length and weighing approximately 30-40 g (1.1-1.4 oz). Its common name perfectly describes its appearance: a clean bicolored pattern with a dull grayish-brown or sometimes slightly rufous-tinged back, wings, and tail, sharply contrasting with a pristine white or buffy-white underbelly, throat, and face. Distinctive field marks in...
Found primarily in dry, open habitats such as arid scrubland, savanna, llanos, deciduous woodlands, and thorny thickets, often near human habitation. Typically occurs at elevations from sea level up to 1,500 meters (4,900 feet).
Primarily insectivorous, feeding on a wide variety of insects such as beetles, ants, caterpillars, and grasshoppers, as well as spiders. Forages by gleaning from vegetation and probing bark and crevices.
Bicolored Wrens are diurnal and highly vocal, with pairs or small family groups often roosting communally in domed nests, especially during non-breeding periods. They are active foragers, primarily gleaning insects and spiders from foliage, branches, and the ground, often working through dense un...
The Bicolored Wren is an endemic resident of northern South America, with a broad distribution spanning several countries. Its breeding range extends across eastern Colombia, throughout Venezuela, and into the Guianas (Guyana, Suriname, and French Guiana). It also occupies a significant portion o...
Least Concern
- The Bicolored Wren is one of the largest wren species, a trait shared with other members of its genus, Campylorhynchus. - Unlike many wren species, they often exhibit cooperative breeding, with juvenile helpers assisting their parents in raising subsequent broods. - They are renowned for their ...