Amethyst-throated Mountain-gem vs Green-tailed Goldenthroat
Lampornis amethystinus comparado com Polytmus theresiae
Side-by-Side Comparison
| Atributo | Amethyst-throated Mountain-gem | Green-tailed Goldenthroat |
|---|---|---|
| Nome científico | Lampornis amethystinus | Polytmus theresiae |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 13,1 cm (5.2 in) | 11,3 cm (4.4 in) |
| Peso | 5,6000000000000005 g (0.20 oz) | 3,575 g (0.13 oz) |
| Dieta | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of open wetland margins and savanna; forages at diverse flower types. Takes tiny flies … |
| Tamanho da postura | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Amethyst-throated Mountain-gem only
Nenhum
Green-tailed Goldenthroat only
Nenhum
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Green-tailed Goldenthroat
Rough, grating buzz with coarse texture; sustained low-pitched trill with vibrating quality audible over some distance.
Geographic Range & Migration
Amethyst-throated Mountain-gem
Found in montane forest from Mexico south through Guatemala and Honduras to El Salvador. 1,000–3,200 m.
Green-tailed Goldenthroat
Found in open savanna and forest edges of the Guianas and Amazonian Venezuela and Brazil. Sea level to 600 m.
Estado de conservação
Amethyst-throated Mountain-gem
Green-tailed Goldenthroat
How to Tell Them Apart
Amethyst-throated Mountain-gem
Bumblebee Hummingbird: tiny; males with brilliant violet gorget; metallic green above; white underparts; females green above; spotted
Green-tailed Goldenthroat
White-chinned Sapphire: males with glittering violet gorget and white chin; metallic green above; females with spotted white throat
About These Birds
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.
Green-tailed Goldenthroat
A medium-sized hummingbird (10-11 cm) found in humid lowland forests and edges from the Guianas through Amazonia to Bolivia and Brazil. Green plumage with a golden-green throat and greenish tail. Nectarivore of forest edges and clearings.