Rufous-capped Thornbill vs Amethyst-throated Mountain-gem
Chalcostigma ruficeps comparado com Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Rufous-capped Thornbill | Amethyst-throated Mountain-gem |
|---|---|---|
| Nome científico | Chalcostigma ruficeps | Lampornis amethystinus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 11,6 cm (4.6 in) | 13,1 cm (5.2 in) |
| Peso | 3,6666666666666665 g (0.13 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of Peruvian and Bolivian puna; forages at Chuquiraga and low shrubs. Catches tiny arthropods. | 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
Rufous-capped Thornbill only
Nenhum
Amethyst-throated Mountain-gem only
Nenhum
Song & Call Comparison
Rufous-capped Thornbill
Melodic, descending phrase with warm timbre; clear notes stepping down smoothly in relaxed musical progression.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Rufous-capped Thornbill
Found on the eastern Andean slope from Ecuador south to Bolivia in lower montane forest. 1,200–2,600 m elevation.
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
Rufous-capped Thornbill
Amethyst-throated Mountain-gem
How to Tell Them Apart
Rufous-capped Thornbill
Purple-crowned Plovercrest: males with glittering violet crown; metallic green above; white underparts; females green with 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
Rufous-capped Thornbill
Espigueiro-de-coroa-ruiva (Chalcostigma ruficeps), 8–9 cm. Macho com coroa ruivo-alaranjada distinta, garganta com gorget roxo-esverdeado, dorso verde-oliva. Habita páramos e bordas de floresta de altitude nos Andes do Equador e Peru. Alimenta-se de néctar 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.