Blue-throated Starfrontlet vs Rufous-booted Racket-tail
Coeligena helianthea 对比 Ocreatus addae
Side-by-Side Comparison
| 属性 | Blue-throated Starfrontlet | Rufous-booted Racket-tail |
|---|---|---|
| 学名 | Coeligena helianthea | Ocreatus addae |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 14.3 cm (5.6 in) | — |
| 体重 | 6.775 g (0.24 oz) | 3.0 g (0.11 oz) |
| 食性 | Nectarivore of Venezuelan Andean cloud forest; forages at Ericaceae and Brachyotum. Catches small arthropods near … | Nectarivore of Bolivian and Peruvian cloud forest; visits Ericaceae and bromeliads. Gleans small insects from … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blue-throated Starfrontlet
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly in morning territorial singing.
Rufous-booted Racket-tail
Deep, resonant hum barely audible; extremely low vibration barely perceptible during hovering near high-altitude flowers.
Geographic Range & Migration
Blue-throated Starfrontlet
Found in cloud forests of the eastern and central Andes of Colombia and adjacent Venezuela. 2,000–3,000 m.
Rufous-booted Racket-tail
Found in cloud forests of northern Bolivia and adjacent Peru and Brazil at 400–1,400 m elevation.
保护状况
Blue-throated Starfrontlet
Rufous-booted Racket-tail
How to Tell Them Apart
Blue-throated Starfrontlet
Blue-mantled Thornbill: tiny; males with brilliant violet gorget; blue-metallic mantle; metallic green above; females pale 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
Blue-throated Starfrontlet
蓝喉星额蜂鸟(Coeligena helianthea)是一种体长14-15厘米的中型蜂鸟，分布于委内瑞拉至哥伦比亚海拔1800-3000米的安第斯云雾林。雄鸟具有蓝色喉部和彩虹色星状前额斑块。以花蜜为食。
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.