Black Metaltail vs Rufous-booted Racket-tail
Metallura phoebe 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Black Metaltail | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Metallura phoebe | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 14.1 cm (5.6 in) | — |
| 体重 | 5.7325 g (0.20 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of high Peruvian puna scrub; visits small compact flowers of cushion plants. Gleans tiny … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black Metaltail
Harsh, buzzy rattle with percussive onset; abrupt rough trill erupting suddenly then ceasing in sharp silence.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Black Metaltail
Found in the high Andes of Peru and Bolivia in puna and upper montane scrub at 3,400–5,000 m elevation.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保全状況
Black Metaltail
Rufous-booted Racket-tail
How to Tell Them Apart
Black Metaltail
Fiery-throated Hummingbird: tiny; males with multicolored fiery gorget; metallic blue crown; iridescent green above; females duller
Rufous-booted Racket-tail
Golden-bellied Starfrontlet: tiny; males with brilliant orange-gold belly; violet gorget; females green above; spotted buff below
About These Birds
Black Metaltail
ペルーとボリビアのアンデス高地に生息するブラックメタルテイルハチドリ。体長11〜13cm。暗い羽毛と輝く黒い尾が特徴的。高山の花の蜜を主食とする。低危険種。
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.