White-chinned Swift vs Chestnut-collared Swift
Cypseloides cryptus 比較対象 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | White-chinned Swift | Chestnut-collared Swift |
|---|---|---|
| 学名 | Cypseloides cryptus | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 27.4 cm (10.8 in) | 26.0 cm (10.2 in) |
| 体重 | 35.95 g (1.27 oz) | 21.8 g (0.77 oz) |
| 食性 | Aerial-only diet of small flying insects, winged termites, and drifting spiders caught during continuous flight. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 一腹卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chinned Swift
Soft, buzzy twittering; weak 'tsit-tsit' in flight; calls over Neotropical waterfalls; thin, high-pitched contact notes; soft compared to most swifts; rarely vocal
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
White-chinned Swift
Found from southern Mexico south through Central America and northwestern South America to Bolivia. Nomadic; joins large mixed swift flocks.
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
White-chinned Swift
Chestnut-collared Swift
How to Tell Them Apart
White-chinned Swift
Uniformly sooty-black plumage with narrow white chin spot; no white rump or other pale markings; large for a Cypseloides; cryptic appearance made identification historically difficult; white chin the sole distinguishing …
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
White-chinned Swift
ホワイトチンドスウィフトは中央アメリカと南アメリカ北部に生息し、白い顎が特徴的なアマツバメである。
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。