Golden-bellied Starfrontlet vs White-tailed Goldenthroat
Coeligena bonapartei 比較対象 Polytmus guainumbi
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | White-tailed Goldenthroat |
|---|---|---|
| 学名 | Coeligena bonapartei | Polytmus guainumbi |
| 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) | 11.8 cm (4.6 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 of grassland and savanna flowers, particularly Heliconia and grasses. Catches small insects near water … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
None
Golden-bellied Starfrontlet only
White-tailed Goldenthroat only
Song & Call Comparison
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
White-tailed Goldenthroat
Sharp, crackling chatter with percussive quality; rapid dry notes delivered emphatically near territorial boundary.
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.
White-tailed Goldenthroat
Widespread in open habitats, savannas, and forest edges across Trinidad and Venezuela south through Brazil to Bolivia and Argentina. 0–900 m.
保全状況
Golden-bellied Starfrontlet
White-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
White-tailed Goldenthroat
Blue-headed Sapphire: metallic blue head and throat; bronzy-green body; white underparts with buff flanks; females paler with spotted 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.
White-tailed Goldenthroat
A medium-sized hummingbird (11-12 cm) with golden-green throat and breast, found in open savannas and cerrado from Venezuela to Brazil, Bolivia, and Argentina. Long, slightly curved bill. Nectarivore of open country flowers. Named for its glittering golden throat plumage.