Blue-tailed Emerald vs Sword-billed Hummingbird
Chlorostilbon mellisugus से तुलना Ensifera ensifera
Side-by-Side Comparison
| विशेषता | Blue-tailed Emerald | Sword-billed Hummingbird |
|---|---|---|
| वैज्ञानिक नाम | Chlorostilbon mellisugus | Ensifera ensifera |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Trochilidae | Trochilidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 9.0 cm (3.5 in) | 15.3 cm (6.0 in) |
| वजन | 2.6466666666666665 g (0.09 oz) | 12.75 g (0.45 oz) |
| आहार | Nectarivore visiting diverse flowering plants; supplements the high-sugar nectar diet with small insects and spiders … | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … |
| अंडों की संख्या | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Blue-tailed Emerald
Pure, flute-like descending scale; smooth melodic phrase moving cleanly through several notes, warm in timbre.
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Geographic Range & Migration
Blue-tailed Emerald
Widely distributed from Colombia and Venezuela through the Guianas to Trinidad and Tobago. Resident in varied lowland habitats.
Sword-billed Hummingbird
Found in Andean cloud forests from Venezuela south through Colombia, Ecuador, Peru, and Bolivia. 1,700–3,500 m.
संरक्षण स्थिति
Blue-tailed Emerald
Sword-billed Hummingbird
How to Tell Them Apart
Blue-tailed Emerald
White-throated Hummingbird: males with brilliant green gorget; metallic green above; white throat; females green above; spotted below
Sword-billed Hummingbird
Olivaceous Thornbill: males with iridescent purple gorget; metallic olive-bronze above; white underparts; females green above; spots
About These Birds
Blue-tailed Emerald
A small hummingbird (7-8 cm) widely distributed from Colombia and Venezuela through the Guianas to Trinidad and Tobago. Bright green plumage with a blue tail. Nectarivore of forest edges, gardens, and open habitats. One of the most common emeralds in northern South America.
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.