Green-tailed Emerald vs Amethyst-throated Mountain-gem
Chlorostilbon alice comparado com Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Green-tailed Emerald | Amethyst-throated Mountain-gem |
|---|---|---|
| Nome científico | Chlorostilbon alice | Lampornis amethystinus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | — | 13,1 cm (5.2 in) |
| Peso | 3,5 g (0.12 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of Venezuelan dry scrub, hovering at low shrub blooms. Catches gnats and spiders to … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Tamanho da postura | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Green-tailed Emerald only
Nenhum
Amethyst-throated Mountain-gem only
Nenhum
Song & Call Comparison
Green-tailed Emerald
Buzzy, sustained trill with insect-like quality; continuous high-frequency vibration with rapid amplitude modulation.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Green-tailed Emerald
Found in montane regions of Venezuela at 500-2,000 m elevation. A Venezuelan endemic or near-endemic.
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Estado de conservação
Green-tailed Emerald
Amethyst-throated Mountain-gem
How to Tell Them Apart
Green-tailed Emerald
Elliot's Hummingbird (Elliotomyia): males with iridescent violet gorget; metallic green above; white underparts; females green; spots
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Green-tailed Emerald
Rabo-branco-de-Alice (Chlorostilbon alice), 7–8 cm. Macho com plumagem verde-esmeralda brilhante, cauda bifurcada e escura com reflexo azul-violáceo. Fêmea com partes inferiores esbranquiçadas. Endêmico do noroeste da Venezuela e adjacências. Habita bordas de florestas e matagais secos. Alimenta-se de néctar e insetos.
Amethyst-throated Mountain-gem
O beija-flor-de-garganta-ametista é um beija-flor mexicano com garganta ametista brilhante nos machos, encontrado em florestas de montanha no México.