Golden-bellied Starfrontlet vs Green-fronted Lancebill
Coeligena bonapartei 比較対象 Doryfera ludovicae
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Green-fronted Lancebill |
|---|---|---|
| 学名 | Coeligena bonapartei | Doryfera ludovicae |
| 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) | 11.5 cm (4.5 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 5.95 g (0.21 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore probing epiphyte flowers and bromeliads with long straight bill in montane forest. Supplements with … |
| 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-fronted Lancebill
Rough, raspy chattering with energetic rhythm; series of coarse notes delivered rapidly near active foraging territories.
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-fronted Lancebill
Found in Andean cloud forests from Costa Rica through Colombia, Venezuela, Ecuador, and Peru to Bolivia. 1,200–2,400 m.
保全状況
Golden-bellied Starfrontlet
Green-fronted Lancebill
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-fronted Lancebill
Spangled Coquette: males with spectacular white upswept crest; glittering green gorget; females with white-streaked crest; buff-white below
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-fronted Lancebill
A medium-sized hummingbird (11-12 cm) with a remarkably long, straight bill (40 mm). Green plumage with a violet-blue forehead. Found in Andean cloud forests from Costa Rica to Bolivia at 800-2,500 m. Named lancebill for its dagger-like bill used to pierce the base of long tubular flowers.