Golden-bellied Starfrontlet vs Grey-tailed Mountain-gem
Coeligena bonapartei compared with Lampornis cinereicauda
Side-by-Side Comparison
| Attribute | Golden-bellied Starfrontlet | Grey-tailed Mountain-gem |
|---|---|---|
| Scientific Name | Coeligena bonapartei | Lampornis cinereicauda |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 15.0 cm (5.9 in) | 12.4 cm (4.9 in) |
| Weight | 6.800000000000001 g (0.24 oz) | 5.425 g (0.19 oz) |
| Diet | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … | Nectarivore of Costa Rican and Panamanian cloud forest; forages at Ericaceae and Salvia. Gleans small … |
| Clutch Size | 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.
Grey-tailed Mountain-gem
Sharp, crackling chatter with percussive quality; rapid dry notes delivered forcefully near active territory 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.
Grey-tailed Mountain-gem
Found in highland forest of Costa Rica, primarily the Pacific slope Talamanca range. 1,200–2,400 m.
Conservation Status
Golden-bellied Starfrontlet
Grey-tailed Mountain-gem
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
Grey-tailed Mountain-gem
Rufous-breasted Sabrewing: males glittering blue-violet gorget; metallic green; rufous breast patch; females green above; spotted
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.
Grey-tailed Mountain-gem
A medium-sized hummingbird (10-11 cm) endemic to the Talamanca highlands of Costa Rica and western Panama at 1,400-2,500 m. Males have green plumage with a grey tail. Nectarivore of cloud forest. Closely related to Purple-throated Mountain-gem.