Band-rumped Swift vs White-collared Swift
Chaetura spinicaudus 比較対象 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Band-rumped Swift | White-collared Swift |
|---|---|---|
| 学名 | Chaetura spinicaudus | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 20.7 cm (8.1 in) | 42.5 cm (16.7 in) |
| 体重 | 16.4 g (0.58 oz) | 106.45 g (3.75 oz) |
| 食性 | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 一腹卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Band-rumped Swift
Raspy, churring call with hollow resonance; rough bursts of chattering notes interrupted by brief mechanical clicking sounds.
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
Geographic Range & Migration
Band-rumped Swift
Found in Panama and northwestern South America from Colombia east to Venezuela and the Guianas, south to Brazil and Bolivia. Lowland forest.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
保全状況
Band-rumped Swift
White-collared Swift
How to Tell Them Apart
Band-rumped Swift
Small; sooty-brown overall with narrow pale grey-white rump band forming a distinct narrow transverse stripe; underparts dark grey-brown; short spiny tail; Amazonian species distinguished by the band-like narrow rump patch.
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
About These Birds
Band-rumped Swift
コスタリカからブラジルの低地林に生息する小型アマツバメ（11 cm）。顕著な淡い腰帯を持つ暗い羽衣。棘状の尾。群れで林冠上を飛翔する空中昆虫食性。
White-collared Swift
ホワイトカラードスウィフトはラテンアメリカ全域の山岳地帯に広く分布し、白い首輪が特徴的な大型のアマツバメである。