Swallow-tailed Hummingbird vs Amethyst-throated Mountain-gem
Eupetomena macroura compared with Lampornis amethystinus
Side-by-Side Comparison
| Attribute | Swallow-tailed Hummingbird | Amethyst-throated Mountain-gem |
|---|---|---|
| Scientific Name | Eupetomena macroura | Lampornis amethystinus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 13.9 cm (5.5 in) | 13.1 cm (5.2 in) |
| Weight | 7.94 g (0.28 oz) | 5.6000000000000005 g (0.20 oz) |
| Diet | Large, conspicuous nectarivore of Brazilian cerrado and gardens. Feeds at Erythrina and diverse blossoms; supplements … | 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
Swallow-tailed Hummingbird only
Amethyst-throated Mountain-gem only
None
Song & Call Comparison
Swallow-tailed Hummingbird
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in animated 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
Swallow-tailed Hummingbird
Found in open habitats across eastern South America from the Guianas to Argentina. Resident in cerrado and gardens.
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
Swallow-tailed Hummingbird
Amethyst-throated Mountain-gem
About These Birds
Swallow-tailed Hummingbird
A large hummingbird (15-17 cm) found in open habitats across eastern South America from the Guianas to Argentina. Iridescent blue-green plumage with a deeply forked, swallow-like tail. Nectarivore of gardens, cerrado, and forest edges. Often seen perching conspicuously on exposed branches.
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.