Sword-billed Hummingbird vs Blue-throated Hillstar
Ensifera ensifera comparado con Oreotrochilus cyanolaemus
Side-by-Side Comparison
| Atributo | Sword-billed Hummingbird | Blue-throated Hillstar |
|---|---|---|
| Nombre científico | Ensifera ensifera | Oreotrochilus cyanolaemus |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Trochilidae | Trochilidae |
| Estado de conservación | Least Concern | Critically Endangered |
| Longitud | — | — |
| Envergadura | 15,3 cm (6.0 in) | — |
| Peso | 12,75 g (0.45 oz) | 7,6 g (0.27 oz) |
| Dieta | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore adapted to very high elevations; forages at Chuquiraga, Gentianella, and Puya flowers. Gleans arthropods. |
| Tamaño de la puesta | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Sword-billed Hummingbird only
Blue-throated Hillstar only
Ninguno
Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Blue-throated Hillstar
Buzzy, sustained trill with monotonous quality; continuous low-pitched vibration with little variation across prolonged delivery.
Geographic Range & Migration
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Blue-throated Hillstar
Endemic to the Cordillera de Chilla region of extreme southwestern Ecuador in high páramo. 3,200–4,200 m. Endangered.
Estado de conservación
Sword-billed Hummingbird
Blue-throated Hillstar
How to Tell Them Apart
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
Blue-throated Hillstar
Little Woodstar: tiny; males with glittering violet gorget; metallic green above; white underparts; females green above; spotted below
About These Birds
Sword-billed Hummingbird
Colibrí portaespada, 17-22 cm (pico hasta 10 cm). El pico más largo en relación con el cuerpo de cualquier ave. Verde iridiscente. Habita bosques nublados andinos. Polinizador especializado. Preocupación menor.
Blue-throated Hillstar
A recently discovered hummingbird (11 cm) from the southwestern Andes of Ecuador at 3,300-3,900 m. Males have an iridescent blue throat. Described in 2018. Known from a single ridgeline. Critically Endangered with a range estimated at less than 100 km2.