Whiskered Treeswift vs Grey-rumped Treeswift
Hemiprocne comata 比較対象 Hemiprocne longipennis
Side-by-Side Comparison
| 属性 | Whiskered Treeswift | Grey-rumped Treeswift |
|---|---|---|
| 学名 | Hemiprocne comata | Hemiprocne longipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Hemiprocnidae | Hemiprocnidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 25.8 cm (10.2 in) | 33.5 cm (13.2 in) |
| 体重 | 21.05 g (0.74 oz) | 35.9 g (1.27 oz) |
| 食性 | Aerial insectivore launching from a treetop perch to hawk flies, beetles, and small flying insects; … | Perch-sallying aerial hunter catching small flying insects, including flies and beetles, in swift low-altitude pursuits. |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Whiskered Treeswift
Sharp, high-pitched 'kik-kik'; thin metallic calls; smaller size produces higher, thinner calls than other treeswifts; calls from Borneo canopy; rapid repetition when alarmed
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
Whiskered Treeswift
Found from the Thai-Malay Peninsula south through Sumatra, Borneo, and the Philippines. Resident in lowland and hill forest up to 1,000 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.
保全状況
Whiskered Treeswift
Grey-rumped Treeswift
How to Tell Them Apart
Whiskered Treeswift
Tiny treeswift; males glossy blue-black above; bold white supercilium and white postocular stripe resemble whiskers; chestnut ear patch; underparts white; females similar minus chestnut; smallest treeswift with striking facial contrast.
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
Whiskered Treeswift
ムナグロフウケイツバメ（Hemiprocne comata）はフィリピン・ボルネオ・スマトラなどの東南アジア（マレーシア・インドネシア）の低地・丘陵林に生息するフウケイツバメ（体長14〜16 cm）。黒い上面と白い下面のコントラストが鮮明。林冠で飛翔しながら昆虫を採食。
Grey-rumped Treeswift
ナガハネフウケイツバメ（Hemiprocne longipennis）はマレー半島・スマトラ・ジャワ・ボルネオなどの東南アジアの低地・丘陵林に生息するフウケイツバメ（体長20〜21 cm）。青灰色の羽衣と長い尾が特徴。木の梢に止まり昆虫を捕らえる。