Garden Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon assimilis compared with Lampornis amethystinus
Side-by-Side Comparison
| Attribute | Garden Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| Scientific Name | Chlorostilbon assimilis | Lampornis amethystinus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 9.0 cm (3.5 in) | 13.1 cm (5.2 in) |
| Weight | 3.55 g (0.13 oz) | 5.6000000000000005 g (0.20 oz) |
| Diet | Feeds on floral nectar in lowland Panama gardens and woodland. Catches small insects and spiders … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Garden Emerald
Thin, sibilant buzz with wavering quality; soft high trill with gentle tremolo effect during hover display.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Garden Emerald
Found in humid lowlands from Costa Rica to northern Colombia on the Pacific slope. Resident in gardens and second growth.
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
Garden Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Garden Emerald
Plain-bellied Emerald: males with brilliant violet gorget; metallic green above; plain whitish belly; 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
Garden Emerald
A small hummingbird (8-9 cm) found in humid lowlands from Costa Rica to northern Colombia. Bright green plumage. Nectarivore of gardens, second growth, and forest edges. Closely related to Canivet's Emerald. Found primarily on the Pacific slope.
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.