White-chinned Swift vs White-collared Swift
Cypseloides cryptus 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | White-chinned Swift | White-collared Swift |
|---|---|---|
| 学名 | Cypseloides cryptus | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.4 cm (10.8 in) | 42.5 cm (16.7 in) |
| 体重 | 35.95 g (1.27 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial-only diet of small flying insects, winged termites, and drifting spiders caught during continuous flight. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | 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
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
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.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
保护状况
White-chinned Swift
White-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 …
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
About These Birds
White-chinned Swift
白颏雨燕栖息于中美洲和南美洲北部，以白色下颌为特征。
White-collared Swift
白领雨燕广泛分布于拉丁美洲山地，以白色颈环为特征的大型雨燕。