Pearly Antshrike

Megastictus margaritatus

The Pearly Antshrike (*Megastictus margaritatus*) is a captivating member of the antbird family (Thamnophilidae), renowned for its strikingly patterned plumage. Measuring approximately 13-14 cm (5.1-5.5 inches) in length and weighing 17-21 grams (0.6-0.7 ounces), this species exhibits pronounced sexual dimorphism. Males are distinguished by their dark slate-grey body, heavily adorned with prominent white 'pearly' spots across the mantle, wing-coverts, and rump, contrasted by a broad, pale buf...

Habitat

Found primarily in the dense undershrub of humid lowland evergreen forest, including terra firme and varzea, often near water. Typically occurs at elevations below 600 meters (2,000 feet).

Diet

Primarily insectivorous, feeding on a variety of arthropods such as insects (including beetles, ants, and caterpillars) and spiders, gleaned from leaves and branches or captured during short sallies.

Behavior

The Pearly Antshrike is a diurnal species, typically observed alone or in pairs, moving deliberately and often secretively through the dense undergrowth. A key aspect of its foraging strategy involves following army ant swarms, where it expertly gleans flushed arthropods like insects and spiders ...

Range

The Pearly Antshrike is a resident species found exclusively within the Amazon Basin of South America. Its distribution spans southern Colombia, eastern Ecuador, northeastern Peru, northern Bolivia, and western to central Brazil. In Brazil, its range extends south of the Amazon River, eastward in...

Conservation Status

Least Concern

Fun Facts

- The Pearly Antshrike is the sole member of its genus, *Megastictus*, making it a unique and isolated evolutionary lineage within the antbird family. - Its name comes from the striking white 'pearly' spots that adorn its mantle, wing-coverts, and rump, particularly prominent on the male. - Both ...

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