Amethyst-throated Mountain-gem vs White-tailed Goldenthroat
Lampornis amethystinus comparado con Polytmus guainumbi
Side-by-Side Comparison
| Atributo | Amethyst-throated Mountain-gem | White-tailed Goldenthroat |
|---|---|---|
| Nombre científico | Lampornis amethystinus | Polytmus guainumbi |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 13,1 cm (5.2 in) | 11,8 cm (4.6 in) |
| Peso | 5,6000000000000005 g (0.20 oz) | 4,7 g (0.17 oz) |
| Dieta | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. | Nectarivore of grassland and savanna flowers, particularly Heliconia and grasses. Catches small insects near water … |
| Tamaño de la puesta | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Amethyst-throated Mountain-gem only
White-tailed Goldenthroat only
Song & Call Comparison
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
White-tailed Goldenthroat
Sharp, crackling chatter with percussive quality; rapid dry notes delivered emphatically near territorial boundary.
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.
White-tailed Goldenthroat
Widespread in open habitats, savannas, and forest edges across Trinidad and Venezuela south through Brazil to Bolivia and Argentina. 0–900 m.
Estado de conservación
Amethyst-throated Mountain-gem
White-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
White-tailed Goldenthroat
Blue-headed Sapphire: metallic blue head and throat; bronzy-green body; white underparts with buff flanks; females paler with spotted throat
About These Birds
Amethyst-throated Mountain-gem
El colibrí de garganta amatista es un colibrí montano de México y Guatemala con garganta violeta-amatista brillante en el macho.
White-tailed Goldenthroat
A medium-sized hummingbird (11-12 cm) with golden-green throat and breast, found in open savannas and cerrado from Venezuela to Brazil, Bolivia, and Argentina. Long, slightly curved bill. Nectarivore of open country flowers. Named for its glittering golden throat plumage.