Rufous-capped Thornbill vs Golden-bellied Starfrontlet
Chalcostigma ruficeps 比較対象 Coeligena bonapartei
Side-by-Side Comparison
| 属性 | Rufous-capped Thornbill | Golden-bellied Starfrontlet |
|---|---|---|
| 学名 | Chalcostigma ruficeps | Coeligena bonapartei |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 11.6 cm (4.6 in) | 15.0 cm (5.9 in) |
| 体重 | 3.6666666666666665 g (0.13 oz) | 6.800000000000001 g (0.24 oz) |
| 食性 | Nectarivore of Peruvian and Bolivian puna; forages at Chuquiraga and low shrubs. Catches tiny arthropods. | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous-capped Thornbill
Melodic, descending phrase with warm timbre; clear notes stepping down smoothly in relaxed musical progression.
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
Geographic Range & Migration
Rufous-capped Thornbill
Found on the eastern Andean slope from Ecuador south to Bolivia in lower montane forest. 1,200–2,600 m elevation.
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
保全状況
Rufous-capped Thornbill
Golden-bellied Starfrontlet
How to Tell Them Apart
Rufous-capped Thornbill
Purple-crowned Plovercrest: males with glittering violet crown; metallic green above; white underparts; females green with 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
Rufous-capped Thornbill
エクアドルからボリビアのアンデス雲霧林・パラモ(2,500〜4,000 m)の小型ハチドリ(10〜11 cm)。赤褐色の頭頂と緑色の羽衣。高高度の低木やプヤ・ブロメリアで花蜜を吸う。
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.