Pachysylvia decurtata
The Lesser Greenlet (Pachysylvia decurtata) is a diminutive and often inconspicuous songbird, typically measuring 9-10 cm (3.5-4 in) in length and weighing between 7-10 grams. Its plumage is characterized by dull olive-green upperparts, contrasting with a whitish-gray underside and a slightly grayer head. A key identifying field mark is its pale, almost white, iris which stands out against its otherwise muted coloration, though a faint supercilium can sometimes be discerned. Taxonomically, it...
Found in lowland to foothill evergreen and humid deciduous forests, it also utilizes semi-open woodlands, forest edges, and secondary growth, primarily below 1200-1500 meters elevation.
Primarily insectivorous, feeding on small insects and spiders gleaned from leaves and twigs; occasionally consumes small berries or fruits.
Lesser Greenlets are diurnal, highly active birds, constantly gleaning insects from foliage and twigs in the canopy and mid-story. During the breeding season, males become highly territorial, defending their space with persistent vocalizations. They are believed to be monogamous, with courtship i...
The Lesser Greenlet is a widespread resident species found from southeastern Mexico south through Central America into northwestern South America. Its distribution extends from the Gulf Coast lowlands of Mexico (Veracruz, Yucatán Peninsula) through Belize, Guatemala, El Salvador, Honduras, Nicara...
Least Concern
- One of the smallest members of the Vireo family, making it easily overlooked in dense foliage. - Its pale, almost white, iris is a striking feature that helps distinguish it from other dull greenlets. - Known for its remarkably persistent song, which can be heard almost ceaselessly throughout t...