Pallid Swift vs Chapman's Swift
Apus pallidus 比較対象 Chaetura chapmani
Side-by-Side Comparison
| 属性 | Pallid Swift | Chapman's Swift |
|---|---|---|
| 学名 | Apus pallidus | Chaetura chapmani |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 33.4 cm (13.1 in) | 24.6 cm (9.7 in) |
| 体重 | 42.25 g (1.49 oz) | 23.416666666666668 g (0.83 oz) |
| 食性 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … |
| 一腹卵数 | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Chapman's Swift
Quick, bubbling series of soft chips; pleasant liquid twittering with slightly buzzy edges, delivered during aerial display.
Geographic Range & Migration
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Chapman's Swift
Found in Trinidad and Tobago and northern South America from Colombia and Venezuela south to northeastern Brazil. Resident in lowland forest.
保全状況
Pallid Swift
Chapman's Swift
How to Tell Them Apart
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 …
Chapman's Swift
Small; dark sooty-brown overall; rump slightly paler grey-brown than back; underparts dark brown; short spiny tail; Amazonian species intermediate in plumage between Chimney Swift and Band-rumped Swift; relatively poorly differentiated …
About These Birds
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。
Chapman's Swift
中米から南米北部・トリニダードの森林に生息する小型アマツバメ（12〜13 cm）。灰色の腰を持つ暗い羽衣。棘状の尾。空中で昆虫を捕食。識別が難しい種。