Sword-billed Hummingbird vs Black-bellied Hummingbird
Ensifera ensifera เปรียบเทียบกับ Eupherusa nigriventris
Side-by-Side Comparison
| คุณสมบัติ | Sword-billed Hummingbird | Black-bellied Hummingbird |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ensifera ensifera | Eupherusa nigriventris |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 15.3 cm (6.0 in) | 9.4 cm (3.7 in) |
| น้ำหนัก | 12.75 g (0.45 oz) | 3.3200000000000003 g (0.12 oz) |
| อาหาร | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Feeds on nectar from diverse forest flowers, hovering briefly at each bloom. Takes small insects … |
| จำนวนไข่ | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
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Sword-billed Hummingbird only
Black-bellied Hummingbird only
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Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Black-bellied Hummingbird
Soft, high-pitched twittering barely audible; delicate minute notes cascading gently near flowering canopy.
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.
Black-bellied Hummingbird
Found in humid forests of Costa Rica and western Panama at 700-1,800 m. Resident in cloud forest undergrowth.
สถานะการอนุรักษ์
Sword-billed Hummingbird
Black-bellied Hummingbird
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
Black-bellied Hummingbird
Pavonine Cuckoo: dark iridescent blue-green above; rufous underparts; pale supercilium; long blue-green tail; peacock-eye tail pattern
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.
Black-bellied Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid forests of Costa Rica and western Panama at 700-1,800 m. Males have a distinctive black belly contrasting with green breast. Nectarivore of cloud forest undergrowth and edges.