Grey-rumped Treeswift vs Moustached Treeswift
Hemiprocne longipennis 对比 Hemiprocne mystacea
Side-by-Side Comparison
| 属性 | Grey-rumped Treeswift | Moustached Treeswift |
|---|---|---|
| 学名 | Hemiprocne longipennis | Hemiprocne mystacea |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Hemiprocnidae | Hemiprocnidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.5 cm (13.2 in) | 43.3 cm (17.0 in) |
| 体重 | 35.9 g (1.27 oz) | 70.16666666666667 g (2.48 oz) |
| 食性 | Perch-sallying aerial hunter catching small flying insects, including flies and beetles, in swift low-altitude pursuits. | Sally-hunting aerial insectivore taking flies, beetles, and winged ants from an exposed tree perch; not … |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Moustached Treeswift
Loud, screaming 'kreee-kreee'; powerful shrill calls from New Guinea forest edge; largest treeswift; calls from exposed high perch; alarm a rapid piercing scream
Geographic Range & Migration
Grey-rumped Treeswift
Found from southern India through the Thai-Malay Peninsula to Sumatra, Java, and Borneo. Resident in open forest and forest edge.
Moustached Treeswift
Found from the Moluccas and New Guinea east through the Bismarcks and Solomons to Micronesia. Resident in forest edge and open areas.
保护状况
Grey-rumped Treeswift
Moustached Treeswift
How to Tell Them Apart
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 …
Moustached Treeswift
Large treeswift; dark blackish-grey upperparts with greenish gloss; bold white supercilium and long white postocular stripe forming moustache; chestnut ear coverts in male; white underparts; deeply forked long tail; Australasian …
About These Birds
Grey-rumped Treeswift
灰凤头雨燕分布于马来西亚、印度尼西亚和菲律宾的热带雨林。翅长，尾长分叉，体羽灰色，喉部棕红色。栖息于开阔的热带森林，在树枝侧面筑独特的小杯巢。以昆虫为食，飞行速度快，空中捕食。
Moustached Treeswift
须凤头雨燕大种分布于印度尼西亚摩鹿加群岛、巴布亚新几内亚和澳大利亚最北部。体型较大，翅长，具明显的须羽，尾长分叉。栖息于森林边缘和开阔地带，以昆虫为食，飞行速度极快。