Rufous-booted Racket-tail vs Black-throated Hermit
Ocreatus addae 비교 대상 Phaethornis atrimentalis
Side-by-Side Comparison
| 속성 | Rufous-booted Racket-tail | Black-throated Hermit |
|---|---|---|
| 학명 | Ocreatus addae | Phaethornis atrimentalis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 7.7 cm (3.0 in) |
| 체중 | 3.0 g (0.11 oz) | 2.8 g (0.10 oz) |
| 식성 | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … | Nectarivore of long-tubed lowland flowers, especially Heliconia. Gleans small insects and spiders from leaf surfaces. |
| 산란 수 | 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.
Black-throated Hermit
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after short pause.
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.
Black-throated Hermit
Found in Amazonian foothills of Ecuador, Peru, and far western Brazil at 200–1,200 m. Uncommon and patchily distributed.
보전 상태
Rufous-booted Racket-tail
Black-throated Hermit
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.
Black-throated Hermit
검은목은둔벌새는 콜롬비아에서 페루와 브라질 서부에 걸쳐 습한 저지대 우림에 서식하는 소형 은둔벌새입니다. 검은 목이 창백한 아랫면과 대비를 이루며 헬리코니아 꽃에서 꿀을 먹습니다.