Long-tailed Sylph vs Golden-bellied Starfrontlet
Aglaiocercus kingii so với Coeligena bonapartei
Side-by-Side Comparison
| Thuộc Tính | Long-tailed Sylph | Golden-bellied Starfrontlet |
|---|---|---|
| Tên Khoa Học | Aglaiocercus kingii | Coeligena bonapartei |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 11,7 cm (4.6 in) | 15,0 cm (5.9 in) |
| Khối Lượng | 5,25 g (0.19 oz) | 6,800000000000001 g (0.24 oz) |
| Chế Độ Ăn | Nectarivore of Andean cloud forest; forages at Ericaceae and epiphyte blooms. Supplements diet with small … | Nectarivore of Colombian and Venezuelan cloud forest; forages at Ericaceae and Clusia. Takes small insects … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Long-tailed Sylph only
Golden-bellied Starfrontlet only
Không
Song & Call Comparison
Long-tailed Sylph
Melodic, flowing phrase with rich character; warm notes weaving in relaxed sequence typical of dawn chorus activity.
Golden-bellied Starfrontlet
High, crystalline twittering with silvery sheen; rapid light notes cascading brightly in active display sequences.
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.
Golden-bellied Starfrontlet
Found in cloud forest of the eastern Andes of Colombia and western Venezuela at 1,800–2,800 m.
Tình Trạng Bảo Tồn
Long-tailed Sylph
Golden-bellied Starfrontlet
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
Golden-bellied Starfrontlet
Green-headed Hillstar: males with glittering green head; metallic green above; white underparts; females green above; spotted buff below
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.
Golden-bellied Starfrontlet
A medium-sized hummingbird (13-14 cm) found in Andean cloud forests from Venezuela to Colombia at 1,800-3,200 m. Males have a golden-yellow belly and iridescent green forehead. Nectarivore of montane forest and forest edges.