Little Sunangel vs Rufous-booted Racket-tail
Heliangelus micraster 比較対象 Ocreatus addae
Side-by-Side Comparison
| 属性 | Little Sunangel | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Heliangelus micraster | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Not Evaluated |
| 体長 | — | — |
| 翼開長 | 12.7 cm (5.0 in) | — |
| 体重 | 3.8499999999999996 g (0.14 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of misty upper montane forest; forages at diverse epiphyte and shrub flowers. Gleans small … | 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
Little Sunangel
Sharp, emphatic rattle with forceful delivery; rapid dry notes erupting suddenly then ceasing in abrupt silence.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Little Sunangel
Found in Andean cloud forests of southern Ecuador and northern Peru at 2,000–3,500 m. Locally common.
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
Little Sunangel
Rufous-booted Racket-tail
How to Tell Them Apart
Little Sunangel
Tyrian Metaltail: males with glittering coppery-purple gorget; metallic bronze-green above; females green above with buff spotted below
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
Little Sunangel
エクアドルからペルーにかけてのアンデス山地林（標高1,500〜2,500 m）に生息する小型ハチドリ（体長9〜10 cm）。雄は小さな紫のゴルジェットを持つ。緑色の羽衣。山地林の蜜食性。最小のサンエンジェル種。稀で研究が少ない。
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.