Blue-tufted Starthroat vs Amethyst-throated Mountain-gem
Heliomaster furcifer comparado con Lampornis amethystinus
Side-by-Side Comparison
| Atributo | Blue-tufted Starthroat | Amethyst-throated Mountain-gem |
|---|---|---|
| Nombre científico | Heliomaster furcifer | Lampornis amethystinus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 10,8 cm (4.3 in) | 13,1 cm (5.2 in) |
| Peso | 5,7 g (0.20 oz) | 5,6000000000000005 g (0.20 oz) |
| Dieta | Nectarivore of open Argentine and Bolivian habitats; visits diverse shrub flowers. Catches small insects in … | 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
Blue-tufted Starthroat only
Amethyst-throated Mountain-gem only
Ninguno
Song & Call Comparison
Blue-tufted Starthroat
Buzzy, insect-like trill with rapid modulation; high-frequency buzz sustained briefly then repeated after pause.
Amethyst-throated Mountain-gem
Pure, sustained flute-like tone held steady; single clear note with barely perceptible vibrato in tropical shade.
Geographic Range & Migration
Blue-tufted Starthroat
Found from Bolivia and Brazil south to Argentina and Uruguay in open woodland and scrub. Sea level to 1,500 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
Blue-tufted Starthroat
Amethyst-throated Mountain-gem
How to Tell Them Apart
Blue-tufted Starthroat
Sparkling-tailed Hummingbird: males with brilliant violet gorget; metallic bronze-green; sparkling tail; 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
Blue-tufted Starthroat
El colibrí de pico largo de garganta azul habita en Argentina, Brasil, Bolivia y Paraguay. El macho tiene partes superiores verdes y un gorjal azul-violeta iridiscente. Se alimenta del néctar de flores de arbustos y árboles en bosques, bordes de bosque y zonas arboladas. Utiliza su pico largo para acceder al néctar de flores tubulares. Contribuye a la polinización de diversas plantas de América del Sur.
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.