Whiskered Treeswift vs Crested Treeswift
Hemiprocne comata 对比 Hemiprocne coronata
Side-by-Side Comparison
| 属性 | Whiskered Treeswift | Crested Treeswift |
|---|---|---|
| 学名 | Hemiprocne comata | Hemiprocne coronata |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Hemiprocnidae | Hemiprocnidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 25.8 cm (10.2 in) | 30.4 cm (12.0 in) |
| 体重 | 21.05 g (0.74 oz) | 27.400000000000002 g (0.97 oz) |
| 食性 | Aerial insectivore launching from a treetop perch to hawk flies, beetles, and small flying insects; … | Aerial insectivore making sallying flights from an exposed perch to capture flying insects; returns to … |
| 产卵数 | 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
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
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.
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.
保护状况
Whiskered Treeswift
Crested 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.
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.
About These Birds
Whiskered Treeswift
须凤头雨燕是东南亚小巽他群岛、婆罗洲和菲律宾的特有凤头雨燕。体型较小，具翅上的白色斑纹，喉部和颈侧具褐色须羽。栖息于热带森林，在树干侧面用羽毛和唾液筑小巢。以昆虫为食，飞行敏捷。
Crested Treeswift
冠凤头雨燕分布于南亚和东南亚大陆，从印度至东南亚。头具明显的冠羽，体羽灰蓝色，喉部棕红色，尾长分叉。栖息于开阔林地和森林边缘，在树枝侧面筑小巢。以昆虫为食，飞行极为敏捷。