Narrow-tailed Emerald vs Golden-bellied Starfrontlet
Chlorostilbon stenurus 对比 Coeligena bonapartei
Side-by-Side Comparison
| 属性 | Narrow-tailed Emerald | Golden-bellied Starfrontlet |
|---|---|---|
| 学名 | Chlorostilbon stenurus | Coeligena bonapartei |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 8.4 cm (3.3 in) | 15.0 cm (5.9 in) |
| 体重 | 3.4000000000000004 g (0.12 oz) | 6.800000000000001 g (0.24 oz) |
| 食性 | Feeds on floral nectar at forest edges in northwestern South America. Supplements diet with small … | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Narrow-tailed Emerald
Melodic, two-note ascending whistle; pure tones stepping upward clearly, given repeatedly near territory boundary.
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Geographic Range & Migration
Narrow-tailed Emerald
Found in Andean highlands from Venezuela to Peru at 800-2,500 m elevation. Resident in montane forest edges.
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
保护状况
Narrow-tailed Emerald
Golden-bellied Starfrontlet
How to Tell Them Apart
Narrow-tailed Emerald
White-chinned Sapphire (alt): males with glittering blue gorget; metallic green above; white chin; females green above; spotted below
Golden-bellied Starfrontlet
Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below
About These Birds
Narrow-tailed Emerald
窄尾翠蜂鸟(Chlorostilbon stenurus)是一种体长8-9厘米的小型蜂鸟，分布于委内瑞拉至秘鲁海拔800-2500米的安第斯高地。雄鸟通体翠绿色，尾羽修长而窄。以花蜜为食。
Golden-bellied Starfrontlet
金腹星额蜂鸟(Coeligena bonapartei)是一种体长13-14厘米的中型蜂鸟，分布于委内瑞拉至哥伦比亚海拔1800-3200米的安第斯云雾林。雄鸟具有金色腹部和彩虹色星状前额斑块。以花蜜为食。