Crested Treeswift vs Grey-rumped Treeswift
Hemiprocne coronata 비교 대상 Hemiprocne longipennis
Side-by-Side Comparison
| 속성 | Crested Treeswift | Grey-rumped Treeswift |
|---|---|---|
| 학명 | Hemiprocne coronata | Hemiprocne longipennis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Hemiprocnidae | Hemiprocnidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.4 cm (12.0 in) | 33.5 cm (13.2 in) |
| 체중 | 27.400000000000002 g (0.97 oz) | 35.9 g (1.27 oz) |
| 식성 | Aerial insectivore making sallying flights from an exposed perch to capture flying insects; returns to … | Perch-sallying aerial hunter catching small flying insects, including flies and beetles, in swift low-altitude pursuits. |
| 산란 수 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Crested Treeswift
Loud, shrill 'kik-kik-ki-ki'; sharp metallic screech; calls from high perch in South Asian forest; alarm a rapid screeching series; contact a thin high-pitched whistle
Grey-rumped Treeswift
High, screaming 'keeer-keeer'; shrill piercing calls from forest canopy; metallic quality; calls from prominent high perch in Southeast Asian forest; alarm a sharp scream
Geographic Range & Migration
Crested Treeswift
Found across the Indian subcontinent and Southeast Asia from India east to Indochina. Resident in open deciduous forest and edge up to 1,500 m.
Grey-rumped Treeswift
Found from southern India through the Thai-Malay Peninsula to Sumatra, Java, and Borneo. Resident in open forest and forest edge.
보전 상태
Crested Treeswift
Grey-rumped Treeswift
How to Tell Them Apart
Crested Treeswift
Males grey above with blue-grey gloss; long erectile blue-grey crest; chestnut ear patch; white supercilium; underparts white with grey flanks; females similar but lack chestnut ear patch; elegant arboreal treeswift.
Grey-rumped Treeswift
Males dark blue-grey upperparts with grey rump; chestnut ear coverts; white supercilium; underparts whitish with pale grey flanks; females lack chestnut ear patch; notably pale grey rump contrasts with darker …
About These Birds
Crested Treeswift
볏나무칼새(Hemiprocne coronata)는 넓게 펼친 볏과 길고 깊이 포크된 꼬리를 지닌 21–23cm 중형 나무칼새다. 인도·스리랑카에서 인도차이나까지 삼림과 삼림 가장자리에 서식한다.
Grey-rumped Treeswift
회색나무칼새(Hemiprocne longipennis)는 말레이반도에서 인도네시아까지 동남아시아 저지대 삼림에 서식하는 20–23cm 중형 나무칼새다.