Whiskered Treeswift vs Crested Treeswift
Hemiprocne comata в сравнении с Hemiprocne coronata
Side-by-Side Comparison
| Характеристика | Whiskered Treeswift | Crested Treeswift |
|---|---|---|
| Научное название | Hemiprocne comata | Hemiprocne coronata |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Hemiprocnidae | Hemiprocnidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 25,8 cm (10.2 in) | 30,4 cm (12.0 in) |
| Масса | 21,05 g (0.74 oz) | 27,400000000000002 g (0.97 oz) |
| Питание | 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 … |
| Размер кладки | 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.
Охранный статус
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
A small treeswift (15-16 cm) with prominent white facial whiskers and a deeply forked tail. Dark plumage with metallic green sheen. Found in lowland and montane forests of Southeast Asia. Aerial insectivore, perching delicately on thin branches in the forest canopy.
Crested Treeswift
A medium-sized treeswift (21-23 cm) with a broad, swept-back crest and long, deeply forked tail. Silver-grey plumage with a pale face and dark ear patch. Found in open forests from India to Southeast Asia. Aerial insectivore perching prominently on bare branches between sallies.