Amethyst-throated Mountain-gem vs Green-tailed Trainbearer
Lampornis amethystinus compared with Lesbia nuna
Side-by-Side Comparison
| Attribute | Amethyst-throated Mountain-gem | Green-tailed Trainbearer |
|---|---|---|
| Scientific Name | Lampornis amethystinus | Lesbia nuna |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 13.1 cm (5.2 in) | 10.3 cm (4.1 in) |
| Weight | 5.6000000000000005 g (0.20 oz) | 3.733333333333333 g (0.13 oz) |
| Diet | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of montane hedgerows and scrub; forages at diverse shrub flowers. Catches small insects in … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
None
Amethyst-throated Mountain-gem only
Green-tailed Trainbearer only
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Green-tailed Trainbearer
Melodic, rolling phrase with liquid quality; warm bubbly notes tumbling loosely in pleasant continuous musical sequence.
Geographic Range & Migration
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Green-tailed Trainbearer
Widespread in open Andean habitats from Colombia south through Ecuador, Peru, and Bolivia. 1,500–4,000 m elevation.
Conservation Status
Amethyst-throated Mountain-gem
Green-tailed Trainbearer
How to Tell Them Apart
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
Green-tailed Trainbearer
Chiribiqute Emerald: tiny; males with iridescent violet gorget; metallic bronze-green above; white underparts; females green with spots
About These Birds
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.
Green-tailed Trainbearer
A medium-sized hummingbird (10 cm body + tail in males) found in Andean highlands from Venezuela to Peru at 2,000-3,800 m. Males have long green tail streamers, shorter than Black-tailed Trainbearer. Nectarivore of scrubby hillsides, gardens, and cloud forest edges.