Short-tailed Swift
Chaetura brachyura
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パナマからブラジル南部・トリニダードの低地林に生息する小型アマツバメ（10〜11 cm）。顕著に短い角型の尾に棘先端を持つ暗い羽衣。空中で昆虫を捕食。林上・農耕地を飛翔。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼開長 | 23.7 cm | 9.3 in |
| 体重 | 18.625 g | 0.66 oz |
識別
羽毛
Small; dark sooty-brown upperparts; very pale whitish rump and tail contrasting sharply with dark body; underparts pale greyish; extremely short tail giving distinctive blunt-ended flight silhouette; widespread Trinidad to Argentina.
Habitat & Range
分布域
Found across South America east of the Andes, from Trinidad and the Guianas south to Bolivia and the Río de la Plata. Lowland forest.
Diet & Feeding
Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous fast flight.
保全状況
行動と繁殖
営巣
Incubation: 17-18 days. Fledging: 22-23 days.
一腹卵数
2-7
鳴き声
さえずり
Harsh, screaming chatter with emphatic delivery; loud coarse notes erupting suddenly during competitive aerial encounters.
分類学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Caprimulgiformes (Nightjars & Swifts) |
| 科 | Apodidae (Swifts) |
| Genus | Chaetura |
| 種 | Chaetura brachyura |
Distribution
Short-tailed Swift has been recorded in 4 countries.
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External Databases
よくある質問
What does the Short-tailed Swift eat?
Where does the Short-tailed Swift live?
Is the Short-tailed Swift endangered?
How does the Short-tailed Swift nest?
What does the Short-tailed Swift sound like?
How big is the Short-tailed Swift?
What order and family does the Short-tailed Swift belong to?
Similar Birds
Other species in the Apodidae family