Andean Swift vs Chestnut-collared Swift
Aeronautes andecolus 比較対象 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Andean Swift | Chestnut-collared Swift |
|---|---|---|
| 学名 | Aeronautes andecolus | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 28.0 cm (11.0 in) | 26.0 cm (10.2 in) |
| 体重 | 17.1 g (0.60 oz) | 21.8 g (0.77 oz) |
| 食性 | Entirely aerial insectivore consuming swarms of tiny flies, winged ants, and ballooning spiders on the … | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Andean Swift
Melodic whistled phrase with clear flute-like quality; gentle ascending series of pure notes echoing across high Andean slopes.
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
Geographic Range & Migration
Andean Swift
Found along the Andes from Peru and Bolivia south to Chile and Argentina at 2,000–4,500 m. Resident in Andean valleys and rocky slopes.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保全状況
Andean Swift
Chestnut-collared Swift
How to Tell Them Apart
Andean Swift
Dark blackish-brown upperparts; white throat and white flanks; slightly less bold white patterning than White-throated Swift; Andean high-altitude specialist ranging Peru to Argentina; similar plumage to congeners but geographically separated.
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
About These Birds
Andean Swift
A medium-sized swift (14-16 cm) of the high Andes from Peru to Argentina, typically found at 2,500-4,500 m elevation. Brown plumage with a white collar and belly. Aerial insectivore, foraging over high-altitude puna grassland and mountain slopes. One of the highest-flying swifts.
Chestnut-collared Swift
チェストナットカラードスウィフトは中央アメリカと南アメリカ北部の山岳地帯に生息するアマツバメである。