Silver-backed Needletail vs White-collared Swift
Hirundapus cochinchinensis 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Silver-backed Needletail | White-collared Swift |
|---|---|---|
| 学名 | Hirundapus cochinchinensis | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.6 cm (14.4 in) | 42.5 cm (16.7 in) |
| 体重 | 85.97999999999999 g (3.03 oz) | 106.45 g (3.75 oz) |
| 食性 | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … | 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
Silver-backed Needletail
Dry, rattling trill with softer ending; rapid series of clipped notes dropping slightly in pitch as the bird gains speed.
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
Silver-backed Needletail
Found from northeastern India and China through Southeast Asia to the Greater Sundas. Partially migratory; winters south in forest and open areas.
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
Silver-backed Needletail
White-collared Swift
How to Tell Them Apart
Silver-backed Needletail
Large; blackish-brown body; distinctive large silvery-white back patch between wings; white throat and undertail coverts; short spiny tail; Southeast Asian species closely resembling White-throated Needletail but silvery-white saddle more extensive.
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
Silver-backed Needletail
银背针尾雨燕分布于东南亚，从印度东北部至中国南部和大巽他群岛。背部具银白色鞍形斑，飞行极为迅速。以飞行昆虫为食，常在高空飞行，栖息于热带低地至山地森林。部分种群具迁徙习性。
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。