Papuan Swiftlet vs White-collared Swift
Aerodramus papuensis 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Papuan Swiftlet | White-collared Swift |
|---|---|---|
| 学名 | Aerodramus papuensis | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Data Deficient | Least Concern |
| 体长 | — | — |
| 翼展 | 26.5 cm (10.4 in) | 42.5 cm (16.7 in) |
| 体重 | 20.4 g (0.72 oz) | 106.45 g (3.75 oz) |
| 食性 | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | 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
Papuan Swiftlet
High thin twittering; 'tsit-tsit' over New Guinea; echolocation clicks used in cave roosts; larger than many swiftlets; slightly deeper calls; data deficient in recordings
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
Papuan Swiftlet
Found in lowland New Guinea and the Bismarck Archipelago. Resident in lowland rainforest and forest edge. Little-known Papuan endemic.
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
Papuan Swiftlet
White-collared Swift
How to Tell Them Apart
Papuan Swiftlet
Small; dark brownish-grey upperparts; pale grey rump band; underparts pale grey; forked tail; New Guinea swiftlet; large for the genus; data-deficient with limited specimens; rump band moderately contrasting with dark …
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
Papuan Swiftlet
一种小型金丝燕（体长11-12厘米），分布于新几内亚低地和丘陵森林中。体羽深色，腰部略浅。属雨燕科（Apodidae），新几内亚地区较常见的金丝燕之一。
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。