Sword-billed Hummingbird vs Green-headed Hillstar
Ensifera ensifera مقارنةً بـ Oreotrochilus stolzmanni
Side-by-Side Comparison
| السمة | Sword-billed Hummingbird | Green-headed Hillstar |
|---|---|---|
| الاسم العلمي | Ensifera ensifera | Oreotrochilus stolzmanni |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Trochilidae | Trochilidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 15,3 cm (6.0 in) | 14,5 cm (5.7 in) |
| الوزن | 12,75 g (0.45 oz) | 8,016666666666667 g (0.28 oz) |
| النظام الغذائي | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore of Peruvian high puna; visits Chuquiraga and Lupinus blooms. Supplements with small flies and … |
| عدد البيض في الوضع | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
Sword-billed Hummingbird only
بلا
Green-headed Hillstar only
بلا
Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Green-headed Hillstar
Soft, pure descending whistle; gentle single note curving downward smoothly, warm and musical in quiet forest.
Geographic Range & Migration
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Green-headed Hillstar
Found on the western Andean slope and coastal desert hills of Peru at 1,500–3,600 m elevation.
حالة الحفاظ
Sword-billed Hummingbird
Green-headed Hillstar
How to Tell Them Apart
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
Green-headed Hillstar
Purple-collared Woodstar: males with elongated streamer tail; glittering violet gorget; white collar; females shorter tail; green above
About These Birds
Sword-billed Hummingbird
A remarkable hummingbird (14-15 cm body) with a bill as long as its body (8-10 cm), the longest bill relative to body size of any bird. Found in Andean cloud forests from Venezuela to Bolivia at 1,700-3,500 m. The extraordinarily long bill evolved to feed on deep tubular Passiflora flowers.
Green-headed Hillstar
A medium-sized hummingbird (11-12 cm) found in the Andes of Peru and Ecuador at 2,800-4,200 m. Green plumage with a glittering green hood. Nectarivore of high-altitude shrubs and Puya plants. Closely related to Andean Hillstar. Sometimes considered conspecific.