Rainbow-bearded Thornbill vs Amethyst-throated Mountain-gem
Chalcostigma herrani comparado com Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Rainbow-bearded Thornbill | Amethyst-throated Mountain-gem |
|---|---|---|
| Nome científico | Chalcostigma herrani | Lampornis amethystinus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 13,5 cm (5.3 in) | 13,1 cm (5.2 in) |
| Peso | 6,183333333333334 g (0.22 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of Colombian and Venezuelan montane scrub; visits diverse small flowers. Supplements with small insects. | 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
Nenhum
Rainbow-bearded Thornbill only
Amethyst-throated Mountain-gem only
Song & Call Comparison
Rainbow-bearded Thornbill
Thin, reedy trill with wavering quality; soft rapid notes with gentle tremolo effect, given from dense cover.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Rainbow-bearded Thornbill
Found in high Andean páramo and shrubby forest edge from Colombia south to Ecuador and Peru. 2,600–4,400 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
Rainbow-bearded Thornbill
Amethyst-throated Mountain-gem
How to Tell Them Apart
Rainbow-bearded Thornbill
Snowcap: males with brilliant iridescent blue-violet gorget; snow-white crown; metallic green above; 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
Rainbow-bearded Thornbill
Espigueiro-de-Herran (Chalcostigma herrani), 9–10 cm. Macho com garganta gorget laranja-rubro brilhante, coroa e dorso verdes, cauda escura. Habita páramos e matorrales de altitude nos Andes do Equador e Colômbia, acima de 3.000 m. Alimenta-se de néctar de plantas de altitude e pequenos 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.