Band-rumped Swift vs White-chested Swift
Chaetura spinicaudus 비교 대상 Cypseloides lemosi
Side-by-Side Comparison
| 속성 | Band-rumped Swift | White-chested Swift |
|---|---|---|
| 학명 | Chaetura spinicaudus | Cypseloides lemosi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 20.7 cm (8.1 in) | 30.0 cm (11.8 in) |
| 체중 | 16.4 g (0.58 oz) | 28.400000000000002 g (1.00 oz) |
| 식성 | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 산란 수 | -- | -- |
| 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-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
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-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
보전 상태
Band-rumped Swift
White-chested 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-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
About These Birds
Band-rumped Swift
코스타리카에서 브라질까지 저지대 숲에 서식하는 소형 칼새 (11 cm). 어두운 깃털에 가시 같은 꼬리 깃털. 공중 곤충 섭취.
White-chested Swift
14–15 cm의 중형 칼새로 콜롬비아 카우카 상부 계곡 고유종. 흰 가슴 반점이 있는 그을린 흑색 깃털. 아열대림의 공중 곤충식성. 극도로 제한된 분포와 지속적인 서식지 손실로 위기종으로 분류.