Crested Treeswift vs Grey-rumped Treeswift
Hemiprocne coronata comparado con Hemiprocne longipennis
Side-by-Side Comparison
| Atributo | Crested Treeswift | Grey-rumped Treeswift |
|---|---|---|
| Nombre científico | Hemiprocne coronata | Hemiprocne longipennis |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Hemiprocnidae | Hemiprocnidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 30,4 cm (12.0 in) | 33,5 cm (13.2 in) |
| Peso | 27,400000000000002 g (0.97 oz) | 35,9 g (1.27 oz) |
| Dieta | 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. |
| Tamaño de la puesta | 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.
Estado de conservación
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
El trepacolas de corona gris es un ave del sudeste de Asia con una corona gris característica, partes superiores verdes y cola bifurcada. Anida en ramas de árboles con un pequeño nido de saliva. Captura insectos al vuelo sobre los doseles forestales. Habita en bosques, bordes y zonas arboladas desde la India hasta el sudeste de Asia. A menudo se observa posado en ramas expuestas entre capturas de insectos.
Grey-rumped Treeswift
El trepacolas de cola gris es un ave delgada e insectívora del sudeste de Asia. Tiene largas alas, cola bifurcada y plumaje gris oscuro con manchas blancas y castaño en la cabeza. Anida en ramas de árboles pequeñas con un nido de saliva. Captura insectos al vuelo sobre el dosel del bosque y bordes. Habita en bosques y zonas arboladas del sudeste asiático, desde Malasia hasta Filipinas.