Sword-billed Hummingbird vs Blue-tailed Hummingbird
Ensifera ensifera ile kıyaslandığında Saucerottia cyanura
Side-by-Side Comparison
| Özellik | Sword-billed Hummingbird | Blue-tailed Hummingbird |
|---|---|---|
| Bilimsel Ad | Ensifera ensifera | Saucerottia cyanura |
| Takım | Caprimulgiformes | Caprimulgiformes |
| Familya | Trochilidae | Trochilidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 15,3 cm (6.0 in) | — |
| Ağırlık | 12,75 g (0.45 oz) | 4,35 g (0.15 oz) |
| Beslenme | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Visits flowering trees and epiphytes for nectar; supplements diet with small arthropods including gnats, midges, … |
| Kuluçka Büyüklüğü | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Sword-billed Hummingbird only
Blue-tailed Hummingbird only
Hiçbiri
Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Blue-tailed Hummingbird
Soft, pure whistle with plaintive character; gentle wavering tone given quietly in shaded understory.
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.
Blue-tailed Hummingbird
Found in humid forests from Mexico to Costa Rica at 300-1,500 m. Resident on both Pacific and Caribbean slopes.
Koruma Durumu
Sword-billed Hummingbird
Blue-tailed 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
Blue-tailed Hummingbird
Kai Coucal: dark brown above with iridescent sheen; rufous wings; pale buff below; long dark tail; orange-red eye; island species
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.
Blue-tailed Hummingbird
A medium-sized hummingbird (9-10 cm) found in humid forests from Mexico to Costa Rica at 300-1,500 m. Green plumage with a blue tail. Nectarivore of forest edges and gardens. Found on both Pacific and Caribbean slopes of Central America.