Pallid Swift vs Purple Needletail
Apus pallidus 比較対象 Hirundapus celebensis
Side-by-Side Comparison
| 属性 | Pallid Swift | Purple Needletail |
|---|---|---|
| 学名 | Apus pallidus | Hirundapus celebensis |
| 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) | 42.7 cm (16.8 in) |
| 体重 | 42.25 g (1.49 oz) | 186.5 g (6.58 oz) |
| 食性 | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Catches aerial plankton of small insects and spiders in fast sweeping flight; roosts in rock … |
| 一腹卵数 | 1-4 | -- |
| 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.
Purple Needletail
Thin, penetrating screech with piercing quality; rapid trilling notes cascading steeply, cutting through jungle noise effectively.
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.
Purple Needletail
Found on Sulawesi, the Philippines, and adjacent islands in Wallacea. Resident in lowland and hill forest, foraging over forest and open areas.
保全状況
Pallid Swift
Purple Needletail
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 …
Purple Needletail
Very large; dark black-brown upperparts with intense purple gloss on back and wing coverts; white throat patch; white undertail coverts; short spiny tail; Sulawesi endemic and the heaviest needletail; stunning …
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。
Purple Needletail
スラウェシハリオアマツバメ（Hirundapus celebensis）はスラウェシ島とその周辺に生息する中型のアマツバメ（体長17〜19 cm）。暗い羽衣と白い喉・腰・腹が特徴。スラウェシの森林・山地・沿岸の上空で飛翔昆虫を捕食。