White-bellied Hummingbird vs Sword-billed Hummingbird
Elliotomyia chionogaster so với Ensifera ensifera
Side-by-Side Comparison
| Thuộc Tính | White-bellied Hummingbird | Sword-billed Hummingbird |
|---|---|---|
| Tên Khoa Học | Elliotomyia chionogaster | Ensifera ensifera |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Trochilidae | Trochilidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 15,3 cm (6.0 in) |
| Khối Lượng | 5,525 g (0.19 oz) | 12,75 g (0.45 oz) |
| Chế Độ Ăn | Hovering nectarivore of lowland and montane forest, probing Heliconia and garden flowers. Supplements with insects … | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| Số Trứng | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
White-bellied Hummingbird only
Không
Sword-billed Hummingbird only
Song & Call Comparison
White-bellied Hummingbird
Melodic, rolling phrase with rich bubbly timbre; warm notes tumbling loosely in pleasant continuous sequence.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
White-bellied Hummingbird
Found in Andean highlands from Peru to Argentina at 2,000-4,000 m. Resident in montane scrub and Polylepis woodland.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
Tình Trạng Bảo Tồn
White-bellied Hummingbird
Sword-billed Hummingbird
How to Tell Them Apart
White-bellied Hummingbird
Spot-winged Coucal: dark brown above with spotted wings; rufous wings; pale below; long dark tail; red eye; spotted wings distinctive
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
White-bellied Hummingbird
A small hummingbird (9-10 cm) found in Andean highlands from Peru to Argentina at 2,000-4,000 m. Green plumage with white belly. Nectarivore of montane scrub, gardens, and Polylepis woodland. A common high-altitude hummingbird.
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.