Chimney Swift vs White-collared Swift
Chaetura pelagica 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Chimney Swift | White-collared Swift |
|---|---|---|
| 学名 | Chaetura pelagica | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | — |
| 翼展 | 24.9 cm (9.8 in) | 42.5 cm (16.7 in) |
| 体重 | 22.666666666666668 g (0.80 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial forager on tiny insects and wind-dispersed spiders; forages near water surfaces where insects concentrate. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | 2-7 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chimney Swift
Rapid, liquid twittering with bright cheerful quality; chi-chi-chi staccato notes carrying well across open sky at dusk.
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
Chimney Swift
Breeds in eastern North America from Canada south to Texas. Long-distance migrant wintering in the upper Amazon basin of Peru and Brazil.
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
Chimney Swift
White-collared Swift
How to Tell Them Apart
Chimney Swift
Small; uniformly dark sooty-grey overall with slightly paler grey throat and chin; no contrasting rump patch; short spiny tail; sexes identical; North American chimney-nesting species famous for its swirling pre-roost …
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
Chimney Swift
烟囱雨燕（约25克）几乎将整个生命都在空中度过，仅在繁殖时着地。繁殖于北美东部，越冬于南美洲。以空中飞虫为食。历史上在烟囱和空心树中筑巢。无危；但因烟囱封堵及昆虫减少，数量明显下降。
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。