Sword-billed Hummingbird vs Black-breasted Hillstar
Ensifera ensifera से तुलना Oreotrochilus melanogaster
Side-by-Side Comparison
| विशेषता | Sword-billed Hummingbird | Black-breasted Hillstar |
|---|---|---|
| वैज्ञानिक नाम | Ensifera ensifera | Oreotrochilus melanogaster |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Trochilidae | Trochilidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 15.3 cm (6.0 in) | 14.4 cm (5.7 in) |
| वजन | 12.75 g (0.45 oz) | 7.75 g (0.27 oz) |
| आहार | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore of Bolivian altiplano; forages at Ericaceae and Chuquiraga in arid puna. Takes small insects … |
| अंडों की संख्या | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sword-billed Hummingbird
Thin, reedy whistle with plaintive character; soft nasal tone held briefly then gently fading in mist.
Black-breasted Hillstar
Rapid, light chips in animated sequence; bright staccato notes with bouncy quality during active territorial display.
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-breasted Hillstar
Endemic to central and southern Peru in the Andes in puna grassland and scrub at 3,500–4,800 m elevation.
संरक्षण स्थिति
Sword-billed Hummingbird
Black-breasted Hillstar
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-breasted Hillstar
Peruvian Sheartail: males with glittering rose-red gorget; metallic green back; white underparts; females green above; pale spotted below
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-breasted Hillstar
A medium-sized hummingbird (12-13 cm) found in the Andes of central Peru at 3,000-4,500 m. Males have a black breast contrasting with green upperparts and white belly. Nectarivore of puna grasslands and rocky slopes. An endemic of Peru's central Andean highlands.