Amazilia Hummingbird vs White-tailed Hillstar
Amazilis amazilia compared with Urochroa leucura
Side-by-Side Comparison
| Attribute | Amazilia Hummingbird | White-tailed Hillstar |
|---|---|---|
| Scientific Name | Amazilis amazilia | Urochroa leucura |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 14.7 cm (5.8 in) |
| Weight | 5.066666666666666 g (0.18 oz) | 9.774999999999999 g (0.34 oz) |
| Diet | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | Nectarivore of Peruvian montane shrubs; forages at Ericaceae and Puya flowers. Supplements with small insects. |
| Clutch Size | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Amazilia Hummingbird only
White-tailed Hillstar only
None
Song & Call Comparison
Amazilia Hummingbird
Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.
White-tailed Hillstar
Sharp, emphatic two-note call; high accented first note followed by softer brief second, repeated persistently.
Geographic Range & Migration
Amazilia Hummingbird
Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.
White-tailed Hillstar
Found on the eastern Andean slope of Peru and Bolivia in montane cloud forest. 1,000–2,600 m elevation.
Conservation Status
Amazilia Hummingbird
White-tailed Hillstar
How to Tell Them Apart
Amazilia Hummingbird
Coucal (Celebes): dark glossy black above; rufous wings; pale buff below; long dark tail; red eye; Sulawesi island endemic coucal
White-tailed Hillstar
Dusky Starfrontlet: males with iridescent purple gorget; metallic bronze-green; white flanks; females green above; spotted underparts
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.
White-tailed Hillstar
A medium-sized hummingbird (12-13 cm) found in Andean cloud forests of Peru and Bolivia at 2,000-3,500 m. Green plumage with white outer tail feathers visible in flight. Nectarivore of montane forest. Recently split from Rufous-gaped Hillstar.