Hemitriccus margaritaceiventer
The Pearly-vented Tody-Tyrant, *Hemitriccus margaritaceiventer*, is a diminutive and often elusive member of the Tyrannidae family, a true gem for keen observers of Neotropical avifauna. Measuring a mere 9-10 cm (3.5-4 in) in length and weighing just 6-8 grams, this tiny flycatcher boasts olive-green upperparts contrasted with pale yellowish to whitish underparts, which lend it its descriptive name. Key field marks include a prominent pale (often yellowish) eye-ring, dusky lores, and two yell...
This adaptable species inhabits a variety of open woodland and scrub environments, including forest edges, secondary growth, riverine thickets, and plantations. It is typically found in low to mid-elevations, generally below 1,500 meters (5,000 feet).
The diet of the Pearly-vented Tody-Tyrant consists almost entirely of insects and other small arthropods. They primarily forage by sallying from perches to catch prey in flight or gleaning from foliage.
Pearly-vented Tody-Tyrants are diurnal and generally observed singly or in pairs, exhibiting an active, almost restless demeanor, often twitching their tails. Their foraging strategy is quintessential for a flycatcher: they typically perch upright on a low, open branch, constantly scanning for pr...
The Pearly-vented Tody-Tyrant boasts an extensive and continuous breeding range across much of lowland South America, from southern Colombia, Venezuela, and the Guianas south through Brazil to eastern Peru, northern Bolivia, Paraguay, and northeastern Argentina. It is a resident species throughou...
Least Concern
- Despite its small stature, the Pearly-vented Tody-Tyrant has a remarkably loud and persistent song, often heard before the bird is seen. - Its scientific name, *margaritaceiventer*, directly translates to 'pearl-bellied,' referencing its distinctive whitish vent. - This species is one of the mo...