Chestnut-collared Swift vs White-naped Swift
Streptoprocne rutila 对比 Streptoprocne semicollaris
Side-by-Side Comparison
| 属性 | Chestnut-collared Swift | White-naped Swift |
|---|---|---|
| 学名 | Streptoprocne rutila | Streptoprocne semicollaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 26.0 cm (10.2 in) | 44.4 cm (17.5 in) |
| 体重 | 21.8 g (0.77 oz) | 175.0 g (6.17 oz) |
| 食性 | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … | Exclusively aerial insectivore catching small flying insects and spiders drifting in aerial plankton at altitude. |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
White-naped Swift
Very loud screaming trill; deep, powerful 'shreee' from Mexico's largest swift; calls over cliffs and canyons; impressive volume; deeper than White-collared Swift
Geographic Range & Migration
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
White-naped Swift
Endemic to Mexico from Nayarit south to Oaxaca. Found in montane forest and canyons at 1,000–3,000 m. Nests behind waterfalls.
保护状况
Chestnut-collared Swift
White-naped Swift
How to Tell Them Apart
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 …
White-naped Swift
Very large; entirely black with white patch restricted to nape only, not forming a full collar; large square tail; Mexican endemic and the largest swift in Middle America; white nape …
About These Birds
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。
White-naped Swift
白颈雨燕栖息于墨西哥山地，以白色颈带为特征的雨燕。