Myrmotherula surinamensis
The Guianan Streaked Antwren is a small, active insectivore, typically measuring 9.5-10.5 cm in length and weighing between 7-9 grams. Males are strikingly patterned, displaying intricate black and white streaks across their head, back, and underparts, complemented by black wings adorned with white wing-bars. Females exhibit a more subdued yet distinct plumage, characterized by a rufous-chestnut crown, nape, and back, with buffy-rufous underparts subtly streaked black, and black wings highlig...
Primarily inhabits lowland humid evergreen rainforests, often favoring riverine areas, forest edges, and clearings with secondary growth. Typically found at elevations from sea-level up to approximately 500 meters, occasionally reaching 700 meters.
Primarily feeds on small arthropods, including various insects such as beetles, orthopterans, and caterpillars, as well as spiders. Food items are acquired by meticulously gleaning from the undersides of leaves, twigs, and bark.
Guianan Streaked Antwrens are perpetually active insectivores, spending their days meticulously gleaning arthropods from foliage and small branches in the forest understory and mid-story, typically between 1-10 meters above ground. They are frequently observed as pairs, often participating in noi...
The Guianan Streaked Antwren is a resident species, primarily distributed across the Guianan Shield region of northern South America. Its core range encompasses Guyana, Suriname, and French Guiana, extending westward into eastern Venezuela, particularly in Bolívar state. The distribution also rea...
Least Concern
- Despite its small size (under 11 cm), the Guianan Streaked Antwren possesses a surprisingly far-carrying and distinctive song in the dense forest understory. - Males and females display strikingly different plumages, making them an excellent example of sexual dimorphism among antwrens. - It is ...