Drab Swiftlet vs White-collared Swift
Collocalia neglecta 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Drab Swiftlet | White-collared Swift |
|---|---|---|
| 学名 | Collocalia neglecta | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 42.5 cm (16.7 in) |
| 体重 | 5.9 g (0.21 oz) | 106.45 g (3.75 oz) |
| 食性 | Entirely airborne insectivore; feeds on minute flying insects and web-dispersing spiders over open habitats. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Drab Swiftlet
High, thin twittering; 'tsit-tsit' in flight; echolocation clicks inside cave roosts; small size and unremarkable plumage matched by simple, thin high-pitched calls
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
Drab Swiftlet
Found on the Andaman and Nicobar Islands and Simeuluë Island off Sumatra. Resident in coastal and lowland habitats. Sedentary.
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
Drab Swiftlet
White-collared Swift
How to Tell Them Apart
Drab Swiftlet
Tiny; dull brownish-grey upperparts with little or no gloss; whitish-buff rump band; pale greyish-buff underparts; forked tail; as the name implies, lacks the iridescent gloss of most Collocalia swiftlets; island …
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
Drab Swiftlet
暗色金丝燕(Collocalia neglecta)是一种体长10厘米的小型金丝燕，分布于菲律宾、苏拉威西和马鲁古群岛。深灰褐色羽毛，光泽度低于近似种。空中捕食昆虫，在洞穴和岩缝中筑巢。
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。