Rothschild's Swift vs White-collared Swift
Cypseloides rothschildi 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Rothschild's Swift | White-collared Swift |
|---|---|---|
| 学名 | Cypseloides rothschildi | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.6 cm (12.0 in) | 42.5 cm (16.7 in) |
| 体重 | 43.0 g (1.52 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial insectivore feeding on swarms of small flies, winged ants, and tiny beetles during sustained … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rothschild's Swift
Thin, buzzy twittering in flight; soft 'tsee-tsee' contact notes; calls over Andean waterfalls; quiet and unobtrusive vocally; high-pitched but weak; rarely heard
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
Rothschild's Swift
Found in the Andes of northwestern Argentina and adjacent Bolivia at 1,500–3,000 m. Very poorly known; nests near waterfalls in humid forest.
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
Rothschild's Swift
White-collared Swift
How to Tell Them Apart
Rothschild's Swift
Blackish-brown overall with subtle pale scaling on throat and forehead; underparts slightly paler brownish; no contrasting white markings; robust-bodied Andean swift distinguished from Sooty Swift by faint pale throat scaling.
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
Rothschild's Swift
罗斯柴尔德雨燕栖息于玻利维亚和阿根廷北部的山地雨燕。
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。