Malagasy Palm Swift vs Alpine Swift
Cypsiurus gracilis 비교 대상 Tachymarptis melba
Side-by-Side Comparison
| 속성 | Malagasy Palm Swift | Alpine Swift |
|---|---|---|
| 학명 | Cypsiurus gracilis | Tachymarptis melba |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 24.8 cm (9.8 in) | 43.9 cm (17.3 in) |
| 체중 | 12.0 g (0.42 oz) | 97.5 g (3.44 oz) |
| 식성 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 산란 수 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Malagasy Palm Swift
Sharp, emphatic chip followed by buzzy rattle; staccato delivery with rising inflection at end of each phrase sequence.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Malagasy Palm Swift
Found in Madagascar and the Comoro Islands. Resident in open areas with palms and forest edge across Madagascar.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
보전 상태
Malagasy Palm Swift
Alpine Swift
How to Tell Them Apart
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 …
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
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.
Alpine Swift
A large swift (20-22 cm, wingspan 54-60 cm) with a white belly and throat contrasting with dark brown upperparts. Found from southern Europe and Africa to Central Asia. Aerial insectivore, foraging at great heights. Nests on cliff faces in large colonies. Powerful, fast flier.