White-bellied Woodstar vs Amethyst-throated Mountain-gem
Chaetocercus mulsant compared with Lampornis amethystinus
Side-by-Side Comparison
| Attribute | White-bellied Woodstar | Amethyst-throated Mountain-gem |
|---|---|---|
| Scientific Name | Chaetocercus mulsant | Lampornis amethystinus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 7.8 cm (3.1 in) | 13.1 cm (5.2 in) |
| Weight | 3.9 g (0.14 oz) | 5.6000000000000005 g (0.20 oz) |
| Diet | Feeds on floral nectar in Andean cloud forest, favouring small-flowered herbs. Supplements with spiders and … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Clutch Size | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
White-bellied Woodstar only
Amethyst-throated Mountain-gem only
None
Song & Call Comparison
White-bellied Woodstar
Melodic, pure ascending phrase with bright character; clear notes rising smoothly in animated morning territorial song.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
White-bellied Woodstar
Found in Andean cloud forests from Colombia to Bolivia at 1,500-3,500 m elevation. Resident across the northern and central Andes.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Conservation Status
White-bellied Woodstar
Amethyst-throated Mountain-gem
How to Tell Them Apart
White-bellied Woodstar
Beautiful Sheartail: males with brilliant violet-purple gorget; metallic green above; white underparts; females green above; spotted
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
White-bellied Woodstar
A tiny hummingbird (7-8 cm) found in Andean cloud forests from Colombia to Bolivia at 1,500-3,500 m. Males have a white belly and iridescent gorget. Nectarivore of forest edges and flowering shrubs. One of the most widespread Andean woodstars.
Amethyst-throated Mountain-gem
A medium-sized hummingbird (11-12 cm) found in mountain forests from Mexico to Honduras at 1,000-3,000 m. Males have an amethyst-purple throat. Nectarivore of pine-oak and cloud forest. Commonly visits feeders in Mexican highland gardens.