Buffy Helmetcrest vs Great Sapphirewing
Oxypogon stuebelii 对比 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Buffy Helmetcrest | Great Sapphirewing |
|---|---|---|
| 学名 | Oxypogon stuebelii | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | — |
| 翼展 | 11.1 cm (4.4 in) | 21.0 cm (8.3 in) |
| 体重 | 5.4 g (0.19 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of high páramo and superparamo; visits sparse Espeletia and Chuquiraga flowers in harsh conditions. … | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Buffy Helmetcrest
Pure, sustained flute-like tone; single clear note held steadily then fading, warm and round in quiet forest shade.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Buffy Helmetcrest
Endemic to the Ruiz-Tolima volcanic massif of Colombia in high páramo at 3,800–4,800 m. Locally common.
Great Sapphirewing
Found in high Andean cloud forests and páramo from Colombia south through Ecuador and Peru to Bolivia. 2,400–3,800 m.
保护状况
Buffy Helmetcrest
Great Sapphirewing
About These Birds
Buffy Helmetcrest
A small hummingbird (11-12 cm) endemic to the central Andes of Colombia at 3,500-4,500 m. Males have a striking erect crest and buffy beard. Nectarivore of high-altitude páramo, visiting Espeletia frailejón plants. Named after the German explorer Alphons Stübel.
Great Sapphirewing
A large hummingbird (18 cm, wingspan 28 cm) found in Andean cloud forests from Colombia to Bolivia at 2,500-3,500 m. Brilliant sapphire-blue wings, green body, and long tail. One of the largest hummingbirds. Nectarivore of montane forest, visiting large-flowered Ericaceae.