Australian Swiftlet vs Pallid Swift
Aerodramus terraereginae 比較対象 Apus pallidus
Side-by-Side Comparison
| 属性 | Australian Swiftlet | Pallid Swift |
|---|---|---|
| 学名 | Aerodramus terraereginae | Apus pallidus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 22.2 cm (8.7 in) | 33.4 cm (13.1 in) |
| 体重 | 11.2 g (0.40 oz) | 42.25 g (1.49 oz) |
| 食性 | Aerial insectivore catching tiny flying insects, midges, and airborne spiders in fast low-altitude flight near … | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. |
| 一腹卵数 | 1 | 1-4 |
| 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
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
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.
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
保全状況
Australian Swiftlet
Pallid 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.
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
About These Birds
Australian Swiftlet
A small swiftlet (11-12 cm) found in northeastern Australia and the Torres Strait Islands. Grey-brown plumage with a pale rump. Aerial insectivore, foraging over rainforest and woodland. Colonial nester in caves and abandoned mines. Uses echolocation. Australia's only breeding swiftlet.
Pallid Swift
カフリアマツバメは地中海沿岸やアフリカ北部に繁殖し、ヨーロッパアマツバメより淡い色合いが特徴的である。