Sword-billed Hummingbird vs White-necked Jacobin
Ensifera ensifera เปรียบเทียบกับ Florisuga mellivora
Side-by-Side Comparison
| คุณสมบัติ | Sword-billed Hummingbird | White-necked Jacobin |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Ensifera ensifera | Florisuga mellivora |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Trochilidae | Trochilidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 15.3 cm (6.0 in) | 13.6 cm (5.4 in) |
| น้ำหนัก | 12.75 g (0.45 oz) | 7.666666666666667 g (0.27 oz) |
| อาหาร | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectar generalist visiting a wide range of forest flowers; also catches small arthropods by aerial … |
| จำนวนไข่ | -- | 1-3 |
| Population Trend | — | — |
Habitat Comparison
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Sword-billed Hummingbird only
White-necked Jacobin 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.
White-necked Jacobin
High, insect-like buzzing sustained for several seconds; thin monotone delivered continuously during hovering display flight.
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.
White-necked Jacobin
Found from Mexico south through Central America to Venezuela, Trinidad, and the western Amazon. Common in lowland forest edge and gardens.
สถานะการอนุรักษ์
Sword-billed Hummingbird
White-necked Jacobin
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
White-necked Jacobin
Males vivid blue head and throat; white nape and hindneck contrasting sharply with blue; white belly; green back; white tail with dark terminal band; females brown above, spotted below; bold …
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.
White-necked Jacobin
A medium-sized hummingbird (11-12 cm) with a dazzling white breast, deep blue hood, and green back. Found from Mexico to Brazil and Trinidad. Male's brilliant white neck and chest are striking in flight. Nectarivore of forest canopy, visiting a wide variety of tropical flowers.