White-chinned Swift vs African Palm Swift
Cypseloides cryptus 比較対象 Cypsiurus parvus
Side-by-Side Comparison
| 属性 | White-chinned Swift | African Palm Swift |
|---|---|---|
| 学名 | Cypseloides cryptus | Cypsiurus parvus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 27.4 cm (10.8 in) | 27.2 cm (10.7 in) |
| 体重 | 35.95 g (1.27 oz) | 14.38 g (0.51 oz) |
| 食性 | Aerial-only diet of small flying insects, winged termites, and drifting spiders caught during continuous flight. | Exclusively aerial diet; consumes tiny flying insects and spiders, sometimes following insect swarms for km. |
| 一腹卵数 | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-chinned Swift
Soft, buzzy twittering; weak 'tsit-tsit' in flight; calls over Neotropical waterfalls; thin, high-pitched contact notes; soft compared to most swifts; rarely vocal
African Palm Swift
Deep, hollow churring trill with resonant bass quality; prolonged vibrating call audible at significant range in open woodland.
Geographic Range & Migration
White-chinned Swift
Found from southern Mexico south through Central America and northwestern South America to Bolivia. Nomadic; joins large mixed swift flocks.
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
White-chinned Swift
African Palm Swift
How to Tell Them Apart
White-chinned Swift
Uniformly sooty-black plumage with narrow white chin spot; no white rump or other pale markings; large for a Cypseloides; cryptic appearance made identification historically difficult; white chin the sole distinguishing …
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
White-chinned Swift
ホワイトチンドスウィフトは中央アメリカと南アメリカ北部に生息し、白い顎が特徴的なアマツバメである。
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.