Amazilia Hummingbird vs White-tailed Goldenthroat
Amazilis amazilia 比較対象 Polytmus guainumbi
Side-by-Side Comparison
| 属性 | Amazilia Hummingbird | White-tailed Goldenthroat |
|---|---|---|
| 学名 | Amazilis amazilia | Polytmus guainumbi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 11.8 cm (4.6 in) |
| 体重 | 5.066666666666666 g (0.18 oz) | 4.7 g (0.17 oz) |
| 食性 | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … | Nectarivore of grassland and savanna flowers, particularly Heliconia and grasses. Catches small insects near water … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
None
Amazilia Hummingbird only
White-tailed Goldenthroat only
Song & Call Comparison
Amazilia Hummingbird
Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.
White-tailed Goldenthroat
Sharp, crackling chatter with percussive quality; rapid dry notes delivered emphatically near territorial boundary.
Geographic Range & Migration
Amazilia Hummingbird
Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.
White-tailed Goldenthroat
Widespread in open habitats, savannas, and forest edges across Trinidad and Venezuela south through Brazil to Bolivia and Argentina. 0–900 m.
保全状況
Amazilia Hummingbird
White-tailed Goldenthroat
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 Goldenthroat
Blue-headed Sapphire: metallic blue head and throat; bronzy-green body; white underparts with buff flanks; females paler with spotted throat
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 Goldenthroat
A medium-sized hummingbird (11-12 cm) with golden-green throat and breast, found in open savannas and cerrado from Venezuela to Brazil, Bolivia, and Argentina. Long, slightly curved bill. Nectarivore of open country flowers. Named for its glittering golden throat plumage.