Western Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon melanorhynchus compared with Lampornis amethystinus
Side-by-Side Comparison
| Attribute | Western Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| Scientific Name | Chlorostilbon melanorhynchus | Lampornis amethystinus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Not Evaluated | Least Concern |
| Length | — | — |
| Wingspan | — | 13.1 cm (5.2 in) |
| Weight | 2.675 g (0.09 oz) | 5.6000000000000005 g (0.20 oz) |
| Diet | Nectarivore of western Colombian and Ecuadorian forest. Supplements diet with small arthropods caught near blossoms. | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Clutch Size | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Western Emerald
Melodic, ascending phrase with hopeful character; smooth pure tones rising in clear musical progression at dawn.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Western Emerald
Found from Panama to Peru along the western Andean foothills. Resident in forest edges and gardens at low to mid elevations.
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
Western Emerald
Amethyst-throated Mountain-gem
About These Birds
Western Emerald
A small hummingbird (8-9 cm) found from Panama to Peru in western Andean foothills. Bright emerald-green plumage with dark tail. Nectarivore of forest edges and gardens. Closely related to other Chlorostilbon emeralds. A Chocó and western Andean species.
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.