Sword-billed Hummingbird vs Blue-bearded Helmetcrest
Ensifera ensifera 比較対象 Oxypogon cyanolaemus
Side-by-Side Comparison
| 属性 | Sword-billed Hummingbird | Blue-bearded Helmetcrest |
|---|---|---|
| 学名 | Ensifera ensifera | Oxypogon cyanolaemus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 15.3 cm (6.0 in) | 14.0 cm (5.5 in) |
| 体重 | 12.75 g (0.45 oz) | 4.8 g (0.17 oz) |
| 食性 | Nectarivore uniquely adapted to extremely long flowers of Passiflora and Datura. Supplements with small insects … | Nectarivore of Venezuelan páramo; forages at Espeletia and Ericaceae blooms in cold conditions. Catches small … |
| 一腹卵数 | -- | -- |
| 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.
Blue-bearded Helmetcrest
Rapid, mechanical clicking in even rhythm; dry staccato notes forming continuous even sequence typical of swift.
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-bearded Helmetcrest
Endemic to the Sierra Nevada de Santa Marta, Colombia, in high páramo at 3,000–4,600 m. Critically endangered.
保全状況
Sword-billed Hummingbird
Blue-bearded Helmetcrest
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-bearded Helmetcrest
Blue-chested Hummingbird: males with glittering blue-green gorget; metallic bronze-green above; females green above; buff underparts
About These Birds
Sword-billed Hummingbird
アンデスの雲霧林に生息するハチドリで、体と同じ長さの嘴を持つ。自然界で嘴が最も長い鳥の一つ。
Blue-bearded Helmetcrest
A small hummingbird (11-12 cm) endemic to the Sierra Nevada de Santa Marta, Colombia, at 3,500-4,700 m. Males have a blue beard and erect crest. Critically Endangered due to extremely restricted páramo habitat on an isolated mountain range.