Golden-bellied Starfrontlet vs Black-bellied Thorntail
Coeligena bonapartei 对比 Discosura langsdorffi
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Black-bellied Thorntail |
|---|---|---|
| 学名 | Coeligena bonapartei | Discosura langsdorffi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 15.0 cm (5.9 in) | 7.0 cm (2.8 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 3.2 g (0.11 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore visiting diverse canopy flowers in humid Amazonian forest. Takes small arthropods in aerial hover-gleaning. |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Black-bellied Thorntail
Deep, hollow churring with resonant character; prolonged low buzzing sound vibrating persistently through dense foliage.
Geographic Range & Migration
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
Black-bellied Thorntail
Found in lowland Amazonian forest from southeastern Colombia south through Ecuador and Peru to Bolivia. 100–600 m.
保护状况
Golden-bellied Starfrontlet
Black-bellied Thorntail
How to Tell Them Apart
Golden-bellied Starfrontlet
Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below
Black-bellied Thorntail
Red-tailed Comet: males with glittering green gorget; brilliant coppery-bronze crown; metallic green back; reddish tail; females duller
About These Birds
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。
Black-bellied Thorntail
A tiny hummingbird (7-8 cm plus extended tail feathers) found in lowland forests from eastern Colombia through Amazonia to Bolivia and Brazil. Males have dark belly and long, wire-like outer tail feathers with racket tips. Nectarivore of forest canopy and edges.