Golden-bellied Starfrontlet vs Violet-throated Metaltail
Coeligena bonapartei 比較対象 Metallura baroni
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Violet-throated Metaltail |
|---|---|---|
| 学名 | Coeligena bonapartei | Metallura baroni |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 15.0 cm (5.9 in) | 11.4 cm (4.5 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 4.4 g (0.16 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of Ecuadorian treeline vegetation; specialized for Ericaceae blooms above 3000 m. Catches small arthropods. |
| 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.
Violet-throated Metaltail
Melodic, flute-like phrase with clear quality; smooth notes flowing pleasantly in quiet sequence at forest edge.
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.
Violet-throated Metaltail
Endemic to a tiny area in the Cajas plateau region of southwestern Ecuador. 3,000–4,200 m. Critically endangered.
保全状況
Golden-bellied Starfrontlet
Violet-throated Metaltail
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
Violet-throated Metaltail
Green-throated Mountain-gem: males with glittering green gorget; metallic green above; white underparts; females green above; spotted
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.
Violet-throated Metaltail
エクアドルの限られた高地にのみ生息するビリジアンメタルテイルハチドリ。体長9〜11cm。雄の輝く緑色の羽毛が特徴的。高山の花の蜜を主食とする。絶滅危惧種。