Coppery-bellied Puffleg vs Amethyst-throated Mountain-gem
Eriocnemis cupreoventris compared with Lampornis amethystinus
Side-by-Side Comparison
| Attribute | Coppery-bellied Puffleg | Amethyst-throated Mountain-gem |
|---|---|---|
| Scientific Name | Eriocnemis cupreoventris | Lampornis amethystinus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 12.6 cm (5.0 in) | 13.1 cm (5.2 in) |
| Weight | 5.1 g (0.18 oz) | 5.6000000000000005 g (0.20 oz) |
| Diet | Nectarivore of Venezuelan Andean montane forest; visits Ericaceae and Fuchsia. Gleans small insects from flower … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Coppery-bellied Puffleg only
Amethyst-throated Mountain-gem only
None
Song & Call Comparison
Coppery-bellied Puffleg
Thin, sibilant hiss with buzzy overtone; faint high-frequency trill barely audible in dense Andean cloud forest.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Coppery-bellied Puffleg
Found in cloud forests and scrub of Colombia and northern Venezuela at 1,800–3,200 m. Uncommon.
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
Coppery-bellied Puffleg
Amethyst-throated Mountain-gem
How to Tell Them Apart
Coppery-bellied Puffleg
Empress Brilliant: males with iridescent magenta gorget; metallic green above; white underparts; females green above; spotted below
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Coppery-bellied Puffleg
A small hummingbird (10-11 cm) endemic to the eastern Andes of Colombia at 1,800-3,000 m. Males have a coppery-orange belly and white leg puffs. Nectarivore of cloud forest and forest edges. Classified as Vulnerable due to limited Colombian range and habitat loss.
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.