Narrow-tailed Emerald vs Great Sapphirewing
Chlorostilbon stenurus so với Pterophanes cyanopterus
Side-by-Side Comparison
| Thuộc Tính | Narrow-tailed Emerald | Great Sapphirewing |
|---|---|---|
| Tên Khoa Học | Chlorostilbon stenurus | Pterophanes cyanopterus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 8,4 cm (3.3 in) | 21,0 cm (8.3 in) |
| Khối Lượng | 3,4000000000000004 g (0.12 oz) | 10,05 g (0.35 oz) |
| Chế Độ Ăn | Feeds on floral nectar at forest edges in northwestern South America. Supplements diet with small … | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| Số Trứng | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Narrow-tailed Emerald
Melodic, two-note ascending whistle; pure tones stepping upward clearly, given repeatedly near territory boundary.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Narrow-tailed Emerald
Found in Andean highlands from Venezuela to Peru at 800-2,500 m elevation. Resident in montane forest edges.
Great Sapphirewing
Found in high Andean cloud forests and páramo from Colombia south through Ecuador and Peru to Bolivia. 2,400–3,800 m.
Tình Trạng Bảo Tồn
Narrow-tailed Emerald
Great Sapphirewing
About These Birds
Narrow-tailed Emerald
A small hummingbird (8-9 cm) found in Andean highlands from Venezuela to Peru at 800-2,500 m. Green plumage with a narrow, slightly forked tail. Nectarivore of forest edges and gardens. Named for its distinctively narrow tail feathers.
Great Sapphirewing
A large hummingbird (18 cm, wingspan 28 cm) found in Andean cloud forests from Colombia to Bolivia at 2,500-3,500 m. Brilliant sapphire-blue wings, green body, and long tail. One of the largest hummingbirds. Nectarivore of montane forest, visiting large-flowered Ericaceae.