Esmeraldas Woodstar vs Amethyst-throated Mountain-gem
Chaetocercus berlepschi compared with Lampornis amethystinus
Side-by-Side Comparison
| Attribute | Esmeraldas Woodstar | Amethyst-throated Mountain-gem |
|---|---|---|
| Scientific Name | Chaetocercus berlepschi | Lampornis amethystinus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 5.3 cm (2.1 in) | 13.1 cm (5.2 in) |
| Weight | 2.505 g (0.09 oz) | 5.6000000000000005 g (0.20 oz) |
| Diet | Critically rare; feeds on nectar from flowering shrubs in Ecuadorian lowland forest. Takes small insects … | 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
Esmeraldas Woodstar
Soft, melodic warbling with flowing character; gentle notes weaving smoothly in quiet phrase at forest edge.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Esmeraldas Woodstar
Endemic to western Ecuador in the Chocó lowlands and foothills. Classified as Endangered due to severe deforestation.
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
Esmeraldas Woodstar
Amethyst-throated Mountain-gem
How to Tell Them Apart
Esmeraldas Woodstar
Inagua Woodstar: tiny; males with brilliant violet 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
Esmeraldas Woodstar
A tiny hummingbird (7 cm) endemic to western Ecuador. Males have a glittering gorget. Nectarivore of lowland and foothill forest edges. Classified as Endangered due to severe Chocó rainforest loss. One of the most threatened Ecuadorian hummingbirds.
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.