Australian Swiftlet vs African Palm Swift
Aerodramus terraereginae 对比 Cypsiurus parvus
Side-by-Side Comparison
| 属性 | Australian Swiftlet | African Palm Swift |
|---|---|---|
| 学名 | Aerodramus terraereginae | Cypsiurus parvus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 22.2 cm (8.7 in) | 27.2 cm (10.7 in) |
| 体重 | 11.2 g (0.40 oz) | 14.38 g (0.51 oz) |
| 食性 | Aerial insectivore catching tiny flying insects, midges, and airborne spiders in fast low-altitude flight near … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 产卵数 | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Australian Swiftlet
Rapid, chattering 'tsit-tsit'; thin twittering over Queensland coast; audible echolocation clicks in cave roosts; flock produces overlapping calls; only Australian cave-nesting swiftlet
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
Australian Swiftlet
Found in northeastern Australia and New Guinea. Resident in lowland rainforest, forest edge, and open areas. Nests in caves and overhangs.
African Palm Swift
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common in open areas near palms; nests in palm leaves.
保护状况
Australian Swiftlet
African Palm Swift
How to Tell Them Apart
Australian Swiftlet
Small; dark grey-brown upperparts; pale grey-white rump band; underparts pale greyish; forked tail; Australian cave-nesting endemic using echolocation; closely resembles White-rumped Swiftlet but with narrower paler rump band.
African Palm Swift
Slender and long-tailed; uniformly pale greyish-brown overall; underparts paler grey-buff; long deeply forked tail; pale uniform appearance with no contrasting markings; widespread African palm-nesting swift with distinctive slender silhouette.
About These Birds
Australian Swiftlet
一种小型金丝燕（体长11-12厘米），分布于澳大利亚东北部和托雷斯海峡岛屿。体羽灰褐色。属雨燕科（Apodidae），是澳大利亚少数几种金丝燕之一。
African Palm Swift
A slender swift (15-17 cm) with long, narrow wings and a deeply forked tail. Dark brown plumage. Found across sub-Saharan Africa in savanna and open woodland, closely associated with palm trees. Aerial insectivore. One of Africa's most abundant swift species.