Long-tailed Sylph vs Amazilia Hummingbird
Aglaiocercus kingii 比較対象 Amazilis amazilia
Side-by-Side Comparison
| 属性 | Long-tailed Sylph | Amazilia Hummingbird |
|---|---|---|
| 学名 | Aglaiocercus kingii | Amazilis amazilia |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 11.7 cm (4.6 in) | — |
| 体重 | 5.25 g (0.19 oz) | 5.066666666666666 g (0.18 oz) |
| 食性 | Nectarivore of Andean cloud forest; forages at Ericaceae and epiphyte blooms. Supplements diet with small … | Feeds on nectar from flowering shrubs and epiphytes. Catches small insects and spiders to meet … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Long-tailed Sylph
Melodic, flowing phrase with rich character; warm notes weaving in relaxed sequence typical of dawn chorus activity.
Amazilia Hummingbird
Buzzy, high-pitched trill with insect-like quality; rapid sustained vibration barely distinguishable from insects.
Geographic Range & Migration
Long-tailed Sylph
Widespread in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,000–2,800 m.
Amazilia Hummingbird
Found in arid coastal lowlands of western Peru and Ecuador. Resident in desert scrub and river valleys.
保全状況
Long-tailed Sylph
Amazilia Hummingbird
How to Tell Them Apart
Long-tailed Sylph
Rufous Hummingbird: males with brilliant orange-rufous body; iridescent red gorget; females green above; rufous-washed below
Amazilia Hummingbird
Coucal (Celebes): dark glossy black above; rufous wings; pale buff below; long dark tail; red eye; Sulawesi island endemic coucal
About These Birds
Long-tailed Sylph
A spectacular hummingbird (10 cm body + 13 cm tail in males) found in Andean cloud forests from Venezuela to Bolivia at 1,500-3,000 m. Males have extraordinarily long, iridescent violet-blue outer tail feathers. Nectarivore of montane forest edges. A cloud forest icon.
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.