Golden-bellied Starfrontlet vs Green-tailed Goldenthroat
Coeligena bonapartei 比較対象 Polytmus theresiae
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Green-tailed Goldenthroat |
|---|---|---|
| 学名 | Coeligena bonapartei | Polytmus theresiae |
| 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) | 11.3 cm (4.4 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 3.575 g (0.13 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of open wetland margins and savanna; forages at diverse flower types. Takes tiny flies … |
| 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.
Green-tailed Goldenthroat
Rough, grating buzz with coarse texture; sustained low-pitched trill with vibrating quality audible over some distance.
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.
Green-tailed Goldenthroat
Found in open savanna and forest edges of the Guianas and Amazonian Venezuela and Brazil. Sea level to 600 m.
保全状況
Golden-bellied Starfrontlet
Green-tailed Goldenthroat
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
Green-tailed Goldenthroat
White-chinned Sapphire: males with glittering violet gorget and white chin; metallic green above; females with spotted white throat
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.
Green-tailed Goldenthroat
A medium-sized hummingbird (10-11 cm) found in humid lowland forests and edges from the Guianas through Amazonia to Bolivia and Brazil. Green plumage with a golden-green throat and greenish tail. Nectarivore of forest edges and clearings.