Rufous-tailed Hummingbird vs Golden-bellied Starfrontlet
Amazilia tzacatl 对比 Coeligena bonapartei
Side-by-Side Comparison
| 属性 | Rufous-tailed Hummingbird | Golden-bellied Starfrontlet |
|---|---|---|
| 学名 | Amazilia tzacatl | Coeligena bonapartei |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 11.3 cm (4.4 in) | 15.0 cm (5.9 in) |
| 体重 | 5.04 g (0.18 oz) | 6.800000000000001 g (0.24 oz) |
| 食性 | Common lowland nectarivore of Central America; visits Heliconia, banana, and garden flowers. Supplements with insects … | 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
Rufous-tailed Hummingbird
Deep, resonant trill with buzzing character; powerful churring vibration carrying across open hillside.
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Geographic Range & Migration
Rufous-tailed Hummingbird
Widely distributed from Mexico through Central America to western Ecuador. Resident in varied lowland habitats.
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
Rufous-tailed Hummingbird
Golden-bellied Starfrontlet
How to Tell Them Apart
Rufous-tailed Hummingbird
Rufous Coucal: entirely rufous-brown overall; long dark graduated tail; red eye; monochromatic rufous plumage; sexually similar
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
Rufous-tailed Hummingbird
棕尾蜂鸟（Amazilia tzacatl），体长10-11厘米，广泛分布于从墨西哥经中美洲至哥伦比亚和委内瑞拉西部。属蜂鸟科（Trochilidae），尾羽棕色，是中美洲最常见的蜂鸟之一。
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。