Golden-bellied Starfrontlet vs Mountain Avocetbill
Coeligena bonapartei 比較対象 Opisthoprora euryptera
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Mountain Avocetbill |
|---|---|---|
| 学名 | Coeligena bonapartei | Opisthoprora euryptera |
| 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) | 12.6 cm (5.0 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 6.4 g (0.23 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of high montane forest; upturned bill tip accesses pendant epiphyte flowers. Gleans small insects … |
| 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.
Mountain Avocetbill
Thin, high-pitched twittering; delicate cascade of light notes with silvery quality delivered during aerial foraging.
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.
Mountain Avocetbill
Found on both Andean slopes in Colombia and Ecuador in cloud forest at 2,000–3,200 m elevation. Uncommon.
保全状況
Golden-bellied Starfrontlet
Mountain Avocetbill
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
Mountain Avocetbill
Cozumel Emerald: tiny; males with glittering magenta gorget; metallic green above; white underparts; females green above; 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.
Mountain Avocetbill
A small hummingbird (10-11 cm) with a distinctive upturned bill tip, unique among hummingbirds. Green plumage. Found in Andean cloud forests from Colombia to Bolivia at 2,400-3,500 m. Nectarivore specializing in pendant flowers. The only member of its genus.