Vireo pallens
The Mangrove Vireo (Vireo pallens) is a small, compact songbird, typically measuring 11-12 cm (4.3-4.7 in) in length and weighing 8-10g. Its upperparts are a dull olive-gray, contrasting sharply with bright yellow underparts, especially on the belly, flanks, and undertail coverts. A distinctive pale yellowish eye-ring and lores, often complemented by a faint pale supercilium, frame its dark eyes, while its bill is short, stout, and slightly hooked. Key field marks for identification include i...
Strictly restricted to coastal mangrove forests and estuaries, typically found at or near sea level in intertidal zones.
Primarily insectivorous, feeding on a wide variety of insects and spiders gleaned from foliage and bark; occasionally consumes small fruits.
Diurnal and often elusive, the Mangrove Vireo is most reliably detected by its distinctive, persistent song echoing through the dense mangrove canopy. It forages methodically, gleaning insects and spiders from the leaves, twigs, and bark of mangrove trees, often hovering briefly to snatch elusive...
The Mangrove Vireo is an exclusively neotropical species, primarily distributed along the coasts of Central America. On the Pacific side, its range extends from southern Sonora, Mexico, south through Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica, reaching western Panama. Along the C...
Least Concern
- The Mangrove Vireo is one of the most habitat-specific vireos in the Americas, rarely venturing outside its preferred mangrove ecosystems. - Its distinctive, deliberate song is often the best way to locate this secretive bird within the dense mangrove canopy. - Several subspecies are recognized...