Papuan Swiftlet vs African Palm Swift
Aerodramus papuensis 比較対象 Cypsiurus parvus
Side-by-Side Comparison
| 属性 | Papuan Swiftlet | African Palm Swift |
|---|---|---|
| 学名 | Aerodramus papuensis | Cypsiurus parvus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Data Deficient | Least Concern |
| 体長 | — | — |
| 翼開長 | 26.5 cm (10.4 in) | 27.2 cm (10.7 in) |
| 体重 | 20.4 g (0.72 oz) | 14.38 g (0.51 oz) |
| 食性 | Feeds aerially on tiny flying insects and drifting spiders; often forages in mixed-species flocks over … | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 一腹卵数 | -- | 1-3 |
| 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
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
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.
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.
保全状況
Papuan Swiftlet
African Palm 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 …
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
Papuan Swiftlet
パプアアナツバメはニューギニア島に固有のアナツバメで、山岳地帯の洞窟に巣を作る。
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.