Narrow-tailed Emerald vs Sword-billed Hummingbird
Chlorostilbon stenurus 비교 대상 Ensifera ensifera
Side-by-Side Comparison
| 속성 | Narrow-tailed Emerald | Sword-billed Hummingbird |
|---|---|---|
| 학명 | Chlorostilbon stenurus | Ensifera ensifera |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Trochilidae | Trochilidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 8.4 cm (3.3 in) | 15.3 cm (6.0 in) |
| 체중 | 3.4000000000000004 g (0.12 oz) | 12.75 g (0.45 oz) |
| 식성 | Feeds on floral nectar at forest edges in northwestern South America. Supplements diet with small … | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| 산란 수 | 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.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
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.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
보전 상태
Narrow-tailed Emerald
Sword-billed Hummingbird
How to Tell Them Apart
Narrow-tailed Emerald
White-chinned Sapphire (alt): males with glittering blue gorget; metallic green above; white chin; females green above; spotted below
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
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.
Sword-billed Hummingbird
칼날부리벌새(14~15cm 몸통)로 부리가 몸통만큼 긴(8~10cm) 놀라운 벌새이다. 콜롬비아와 에콰도르 안데스 고지에 서식. 긴 꽃통 꽃의 꿀을 먹도록 진화했다. 관심필요종.