Golden-bellied Starfrontlet vs Black-billed Streamertail
Coeligena bonapartei 比較対象 Trochilus scitulus
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Black-billed Streamertail |
|---|---|---|
| 学名 | Coeligena bonapartei | Trochilus scitulus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 15.0 cm (5.9 in) | 13.0 cm (5.1 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 4.7 g (0.17 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore probing tubular flowers in humid forest. Supplements nectar diet with small insects and spiders … |
| 一腹卵数 | 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-billed Streamertail
Buzzy, insect-like sustained trill; continuous high-frequency vibration with rapid modulation near nectar flowers.
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-billed Streamertail
Endemic to the eastern Blue Mountains of Jamaica. Restricted to montane forest. Sometimes treated as subspecies.
保全状況
Golden-bellied Starfrontlet
Black-billed Streamertail
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-billed Streamertail
Black-faced Coucal: glossy black head; rufous-brown wings; black underparts; red eye; long dark tail; sexually similar plumage
About These Birds
Golden-bellied Starfrontlet
A medium-sized hummingbird (13-14 cm) found in Andean cloud forests from Venezuela to Colombia at 1,800-3,200 m. Males have a golden-yellow belly and iridescent green forehead. Nectarivore of montane forest and forest edges.
Black-billed Streamertail
ブラックビルドストリーマーテイルはジャマイカの固有種のハチドリです。雄は黒い嘴と長い尾羽が特徴的です。