Golden-bellied Starfrontlet vs Racket-tipped Thorntail
Coeligena bonapartei 比較対象 Discosura longicaudus
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Racket-tipped Thorntail |
|---|---|---|
| 学名 | Coeligena bonapartei | Discosura longicaudus |
| 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) | 8.6 cm (3.4 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 3.35 g (0.12 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of Amazonian forest canopy. Forages at Inga and other legume flowers; supplements with small … |
| 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.
Racket-tipped Thorntail
Melodic, ascending scale of clear notes; bright flute-like tones climbing smoothly, characteristic of morning territorial song.
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.
Racket-tipped Thorntail
Found in humid lowland forest from Colombia and Venezuela east through the Guianas and Amazonian Brazil. 0–600 m.
保全状況
Golden-bellied Starfrontlet
Racket-tipped Thorntail
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
Racket-tipped Thorntail
Greenish Puffleg: males brilliant metallic green; glittering blue gorget; white flanks; white leg puffs; females green above with spots
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.
Racket-tipped Thorntail
A tiny hummingbird (7-8 cm plus long tail rackets in males) found in humid lowland forests from Venezuela through the Guianas and Amazonia. Males have elongated outer tail feathers with distinctive racket-shaped tips. Nectarivore of forest canopy.