Amazilia Hummingbird vs Blue-throated Hillstar
Amazilis amazilia compared with Oreotrochilus cyanolaemus
Side-by-Side Comparison
| Attribute | Amazilia Hummingbird | Blue-throated Hillstar |
|---|---|---|
| Scientific Name | Amazilis amazilia | Oreotrochilus cyanolaemus |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | — | — |
| Weight | 5.066666666666666 g (0.18 oz) | 7.6 g (0.27 oz) |
| Diet | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | Nectarivore adapted to very high elevations; forages at Chuquiraga, Gentianella, and Puya flowers. Gleans arthropods. |
| Clutch Size | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
None
Amazilia Hummingbird only
Blue-throated Hillstar only
Song & Call Comparison
Amazilia Hummingbird
Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.
Blue-throated Hillstar
Buzzy, sustained trill with monotonous quality; continuous low-pitched vibration with little variation across prolonged delivery.
Geographic Range & Migration
Amazilia Hummingbird
Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.
Blue-throated Hillstar
Endemic to the Cordillera de Chilla region of extreme southwestern Ecuador in high páramo. 3,200–4,200 m. Endangered.
Conservation Status
Amazilia Hummingbird
Blue-throated Hillstar
About These Birds
Amazilia Hummingbird
A medium-sized hummingbird (9-10 cm) found in arid coastal lowlands of western Peru and Ecuador. Green plumage with variable rusty-orange underparts. Nectarivore of desert scrub, gardens, and river valleys. Adapted to arid Pacific environments.
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.