Glaucis hirsutus
The Rufous-breasted Hermit, *Glaucis hirsutus*, is a captivating medium-sized hummingbird, measuring 10.7-11.4 cm (4.2-4.5 in) in length and weighing 5-7 grams. Its most striking feature is its long, strongly decurved bill, dark above and mostly reddish below with a dark tip, perfectly adapted for probing deep tubular flowers. Plumage-wise, it boasts a greenish-bronze back and crown, contrasting sharply with its rich rufous underparts, which extend from the chin to the undertail coverts. Dist...
Found primarily in the understory of humid tropical and subtropical evergreen forests, secondary growth, and shaded plantations (e.g., cacao, banana), from sea level up to 1,200 meters elevation.
Feeds primarily on nectar from a variety of long-tubed flowers, particularly from Heliconia, Costus, and Strelitzia species, supplemented by small insects and spiders gleaned from foliage or caught in flight.
This diurnal hummingbird is renowned for its 'trap-lining' foraging strategy, systematically visiting a circuit of scattered flowers over a wide area throughout the day, often returning to the same flowers at predictable intervals. Males gather at communal leks where they perform vocal and aerial...
The Rufous-breasted Hermit has an extensive range across northern South America and parts of Central America, primarily as a year-round resident. Its distribution spans from eastern Panama south through Colombia, Venezuela, and the Guianas (Guyana, Suriname, French Guiana), extending into eastern...
Least Concern
- The Rufous-breasted Hermit is a classic example of a 'trap-liner,' repeatedly visiting a set circuit of flowers rather than defending a specific territory. - Its extremely long, decurved bill is perfectly adapted to pollinate specific long-tubed flowers, playing a vital role in tropical plant r...