Bronze-tailed Comet vs Great Sapphirewing
Polyonymus caroli 比較対象 Pterophanes cyanopterus
Side-by-Side Comparison
| 属性 | Bronze-tailed Comet | Great Sapphirewing |
|---|---|---|
| 学名 | Polyonymus caroli | Pterophanes cyanopterus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 12.9 cm (5.1 in) | 21.0 cm (8.3 in) |
| 体重 | 5.125 g (0.18 oz) | 10.05 g (0.35 oz) |
| 食性 | Nectarivore of high puna and queñual woodland; forages at Chuquiraga and Polylepis flowers. Gleans small … | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bronze-tailed Comet
Soft, thin twittering barely audible; delicate minute notes cascading gently almost lost in surrounding forest sounds.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Bronze-tailed Comet
Endemic to Peru in the Río Marañón drainage and adjacent valleys in arid scrub and dry forest. 1,800–3,200 m.
Great Sapphirewing
Found in high Andean cloud forests and páramo from Colombia south through Ecuador and Peru to Bolivia. 2,400–3,800 m.
保全状況
Bronze-tailed Comet
Great Sapphirewing
About These Birds
Bronze-tailed Comet
A medium-sized hummingbird (13-15 cm) endemic to the Andes of Peru at 2,700-4,000 m. Green plumage with a bronze-colored, forked tail. Nectarivore of montane scrub and Polylepis forest. Uncommon and restricted to high-elevation habitats.
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.