Amazilia Hummingbird vs White-tailed Goldenthroat
Amazilis amazilia 对比 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 |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | — | 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 … |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
无
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.
保护状况
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
秘鲁蜂鸟（Amazilis amazilia），体长9-10厘米，分布于秘鲁和厄瓜多尔西部干燥沿海低地。体羽绿色，下体浅色。属蜂鸟科（Trochilidae），是南美洲西部海岸的特有种。
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.