Plain-capped Starthroat vs Amethyst-throated Mountain-gem
Heliomaster constantii comparado com Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Plain-capped Starthroat | Amethyst-throated Mountain-gem |
|---|---|---|
| Nome científico | Heliomaster constantii | Lampornis amethystinus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 12,5 cm (4.9 in) | 13,1 cm (5.2 in) |
| Peso | 7,375 g (0.26 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of Mexican and Central American dry and semi-open habitats. Visits large flowers; catches insects … | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Tamanho da postura | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Plain-capped Starthroat only
Nenhum
Amethyst-throated Mountain-gem only
Nenhum
Song & Call Comparison
Plain-capped Starthroat
High, thin twittering barely audible; delicate cascade of minute notes, poorly documented vocal repertoire.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Plain-capped Starthroat
Found from northwestern Mexico south through Central America to northwestern Costa Rica in dry forest. Sea level to 1,800 m.
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
Plain-capped Starthroat
Amethyst-throated Mountain-gem
How to Tell Them Apart
Plain-capped Starthroat
Peruvian Sheartail (alt): males with glittering violet gorget; metallic green above; white underparts; females green above; spotted
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
About These Birds
Plain-capped Starthroat
O beija-flor-de-bico-longo-de-coroa-azul é um grande beija-flor do México e América Central. O macho tem partes superiores verde-brilhante, coroa azul-iridescente e partes inferiores brancas com riscas. A fêmea carece da coroa azul brilhante. Alimenta-se do néctar de flores grandes, frequentemente defendendo territórios de alimentação. Habita em florestas secas, orlas de floresta e jardins com flores. Pode visitar flores de uma grande variedade de alturas.
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.