Golden-bellied Starfrontlet vs Black-tailed Trainbearer
Coeligena bonapartei 比較対象 Lesbia victoriae
Side-by-Side Comparison
| 属性 | Golden-bellied Starfrontlet | Black-tailed Trainbearer |
|---|---|---|
| 学名 | Coeligena bonapartei | Lesbia victoriae |
| 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) | 11.7 cm (4.6 in) |
| 体重 | 6.800000000000001 g (0.24 oz) | 4.9 g (0.17 oz) |
| 食性 | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of Andean dry inter-valley scrub; visits Salvia, Lupinus, and Calceolaria. Supplements with small arthropods. |
| 一腹卵数 | 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.
Black-tailed Trainbearer
Sharp, crackling trill with percussive edge; rapid dry notes delivered forcefully near active competitive territory.
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.
Black-tailed Trainbearer
Found in high Andean scrub and open habitats from Colombia south through Ecuador and Peru to Bolivia. 2,500–4,200 m.
保全状況
Golden-bellied Starfrontlet
Black-tailed Trainbearer
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
Black-tailed Trainbearer
Cuban Emerald: males with deep purple gorget; metallic bronze-green above; white flanks; females plain green above; pale spotted 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.
Black-tailed Trainbearer
A spectacular hummingbird (10 cm body + 15 cm tail in males) found in Andean highlands from Colombia to Peru at 2,500-4,000 m. Males have extraordinarily long, black outer tail streamers. Nectarivore of páramo and cloud forest edges. Named for its dramatic trailing tail feathers.