Bronze-tailed Thornbill vs Amethyst-throated Mountain-gem
Chalcostigma heteropogon comparado con Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Bronze-tailed Thornbill | Amethyst-throated Mountain-gem |
|---|---|---|
| Nombre científico | Chalcostigma heteropogon | Lampornis amethystinus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 14,1 cm (5.6 in) | 13,1 cm (5.2 in) |
| Peso | 5,65 g (0.20 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of high Andean grasslands and shrublands; visits Ericaceae and Gentianaceae blooms. Gleans tiny arthropods. | Nectarivore of Mexican and Central American montane pine-oak forest; visits Ericaceae and Salvia. Gleans arthropods. |
| Tamaño de la puesta | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Bronze-tailed Thornbill only
Amethyst-throated Mountain-gem only
Ninguno
Song & Call Comparison
Bronze-tailed Thornbill
Deep, hollow churring with resonant bass; prolonged low buzzing audible at range through open forest edge.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Bronze-tailed Thornbill
Found in high Andean grassland and scrub from Venezuela through Colombia to Ecuador at 2,800–4,200 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 conservación
Bronze-tailed Thornbill
Amethyst-throated Mountain-gem
How to Tell Them Apart
Bronze-tailed Thornbill
Mangrove Hummingbird: tiny; males with violet gorget; metallic green above; white-spotted underparts; females 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
Bronze-tailed Thornbill
Picoespina de barba bronce (Chalcostigma heteropogon), 11–12 cm. Macho con garganta verde bronceada brillante y cola alargada. Habita en páramos y matorrales subalpinos de los Andes de Venezuela y Colombia. Se alimenta de néctar. Especie escasa con distribución restringida.
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.