Rufous-booted Racket-tail vs Saw-billed Hermit
Ocreatus addae 对比 Ramphodon naevius
Side-by-Side Comparison
| 属性 | Rufous-booted Racket-tail | Saw-billed Hermit |
|---|---|---|
| 学名 | Ocreatus addae | Ramphodon naevius |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 14.3 cm (5.6 in) |
| 体重 | 3.0 g (0.11 oz) | 7.15 g (0.25 oz) |
| 食性 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Primarily nectarivore; bill curvature matches specific flowers; supplements diet by hawking tiny insects. |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Saw-billed Hermit
Bright, musical trill with cheerful bubbly quality; quick rolling notes cascading pleasantly from dense flowering vegetation.
Geographic Range & Migration
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
Saw-billed Hermit
Endemic to the Atlantic Forest of southeastern Brazil from Bahia to Santa Catarina. Resident in humid forest up to 1,200 m. Near Threatened.
保护状况
Rufous-booted Racket-tail
Saw-billed Hermit
How to Tell Them Apart
Rufous-booted Racket-tail
Saw-billed Hermit
Bronze-green upperparts; underparts rufous-buff with dark brown streaking; broad pale supercilium; rufous-buff tail tipped dark; serrated edge to bill visible at close range; Brazilian Atlantic forest endemic; boldly streaked underparts.
About These Birds
Rufous-booted Racket-tail
A small hummingbird (8-10 cm plus tail rackets) found in Andean cloud forests of southeastern Peru and Bolivia at 1,200-2,200 m. Males have rufous leg puffs instead of white. Recently split from Booted Racket-tail. Nectarivore of montane forest undergrowth.
Saw-billed Hermit
A large hummingbird (14-16 cm) endemic to the Atlantic Forest of southeastern Brazil. Distinguished by its serrated, saw-like bill unique among hummingbirds. Green plumage with a rufous throat. Nectarivore and insectivore. Classified as Near Threatened due to Atlantic Forest fragmentation.