White-chested Swift vs Malagasy Palm Swift
Cypseloides lemosi 비교 대상 Cypsiurus gracilis
Side-by-Side Comparison
| 속성 | White-chested Swift | Malagasy Palm Swift |
|---|---|---|
| 학명 | Cypseloides lemosi | Cypsiurus gracilis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.0 cm (11.8 in) | 24.8 cm (9.8 in) |
| 체중 | 28.400000000000002 g (1.00 oz) | 12.0 g (0.42 oz) |
| 식성 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 산란 수 | -- | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Malagasy Palm Swift
Sharp, emphatic chip followed by buzzy rattle; staccato delivery with rising inflection at end of each phrase sequence.
Geographic Range & Migration
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.
Malagasy Palm Swift
Found in Madagascar and the Comoro Islands. Resident in open areas with palms and forest edge across Madagascar.
보전 상태
White-chested Swift
Malagasy Palm Swift
How to Tell Them Apart
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 …
Malagasy Palm Swift
Slender; pale grey-brown overall; underparts slightly paler; long deeply forked tail; Malagasy endemic; very similar to African Palm Swift in uniform pale brown coloration but slightly smaller and confined to …
About These Birds
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.
Malagasy Palm Swift
15–16 cm의 가는 칼새로 마다가스카르 고유종. 깊이 갈라진 꼬리를 가진 어두운 갈색 깃털. 아프리카 야자 칼새와 근연. 개방 지역·도시·삼림 가장자리 위를 날며 채이며 먹이를 구하는 공중 곤충식성. 둥지 튼다 라베낼라 등 야자나무와 연관.