Pachysylvia semibrunnea
The Rufous-naped Greenlet (*Pachysylvia semibrunnea*) is a small, active passerine bird of the Vireonidae family, distinguished by its vibrant plumage and distinctive head pattern. Measuring approximately 11-12 cm (4.3-4.7 inches) in length and weighing around 10-12 grams, its upperparts are generally yellowish-green, fading to a paler, often yellowish wash on the underparts. The most striking field mark, and the origin of its common name, is the rich rufous (chestnut) crown and nape, which c...
This species primarily inhabits humid montane evergreen forests, cloud forests, and their edges, extending into mature secondary growth. It is typically found at elevations ranging from 900 to 2200 meters above sea level.
Its diet primarily consists of small insects, including caterpillars, beetles, and spiders, gleaned from foliage. Small fruits and berries may also supplement its insectivorous diet, especially seasonally.
The Rufous-naped Greenlet is a diurnal and highly active bird, constantly foraging through the mid to upper canopy layers of its forest habitat. It employs a gleaning foraging strategy, meticulously picking insects and spiders from leaves and twigs, often hanging upside down to reach prey. While ...
The Rufous-naped Greenlet is a resident species, primarily distributed along the Andean mountain ranges of northern South America. Its breeding and year-round range extends from the Central and Eastern Andes of Colombia, through the Andes of western Venezuela, and down both the western and easter...
Least Concern
- The Rufous-naped Greenlet's scientific epithet "semibrunnea" directly translates to "half brown," referring to its distinctive rufous (brownish-red) crown and nape. - It is a member of the Vireonidae family, a group known for its often subtle plumage but distinctive, often repetitive, songs. - ...