Sword-billed Hummingbird vs Blue-bearded Helmetcrest
Ensifera ensifera в сравнении с Oxypogon cyanolaemus
Side-by-Side Comparison
| Характеристика | Sword-billed Hummingbird | Blue-bearded Helmetcrest |
|---|---|---|
| Научное название | Ensifera ensifera | Oxypogon cyanolaemus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Trochilidae | Trochilidae |
| Охранный статус | Least Concern | Endangered |
| Длина | — | — |
| Размах крыльев | 15,3 cm (6.0 in) | 14,0 cm (5.5 in) |
| Масса | 12,75 g (0.45 oz) | 4,8 g (0.17 oz) |
| Питание | 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 … |
| Размер кладки | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Sword-billed Hummingbird only
Blue-bearded Helmetcrest only
Нет
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.
Охранный статус
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
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-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.