Rufous-shafted Woodstar vs Amethyst-throated Mountain-gem
Chaetocercus jourdanii comparado com Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Rufous-shafted Woodstar | Amethyst-throated Mountain-gem |
|---|---|---|
| Nome científico | Chaetocercus jourdanii | Lampornis amethystinus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 7,0 cm (2.8 in) | 13,1 cm (5.2 in) |
| Peso | 3,26 g (0.11 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of Trinidad and northern South America, hovering at bromeliads and Heliconia. Supplements diet with … | 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-shafted Woodstar only
Nenhum
Amethyst-throated Mountain-gem only
Nenhum
Song & Call Comparison
Rufous-shafted Woodstar
Deep, resonant single note with striking boldness; powerful tone ringing out clearly from exposed prominent perch.
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-shafted Woodstar
Found in Andean highlands from Venezuela to Trinidad at 500-2,500 m elevation. Resident in montane forest edges and gardens.
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-shafted Woodstar
Amethyst-throated Mountain-gem
How to Tell Them Apart
Rufous-shafted Woodstar
Calliope Hummingbird (endemic): tiny; males with glittering magenta gorget; metallic green above; females plain 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
Rufous-shafted Woodstar
Beija-flor-de-Jourdain (Chaetocercus jourdanii), 6–7 cm. Macho com garganta róseo-rubi brilhante, partes superiores verdes metálicas, cauda escura com plumas externas longas. Habita florestas úmidas e bordas de floresta no norte da América do Sul e Trinidad. 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.