White-throated Needletail vs Alpine Swift
Hirundapus caudacutus comparado con Tachymarptis melba
Side-by-Side Comparison
| Atributo | White-throated Needletail | Alpine Swift |
|---|---|---|
| Nombre científico | Hirundapus caudacutus | Tachymarptis melba |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 41,2 cm (16.2 in) | 43,9 cm (17.3 in) |
| Peso | 101,475 g (3.58 oz) | 97,5 g (3.44 oz) |
| Dieta | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| Tamaño de la puesta | 2-7 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
White-throated Needletail only
Alpine Swift only
Ninguno
Song & Call Comparison
White-throated Needletail
Powerful, loud churring rattle descending in pitch; deep resonant trill audible from great distance, forceful and sustained.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
White-throated Needletail
Breeds in Siberia, China, Japan, and the Himalayas. Long-distance migrant wintering in Australasia and Southeast Asia. Breeds in forests and cliffs.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
Estado de conservación
White-throated Needletail
Alpine Swift
How to Tell Them Apart
White-throated Needletail
Large; dark blackish-brown upperparts with metallic green gloss; white throat and undertail coverts; pale white back saddle between wings; short spiny tail; one of the world's fastest birds; white throat …
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
White-throated Needletail
El vencejo de aguja mayor es un vencejo grande de Asia oriental y el sur de Asia. Tiene alas largas y estrechas, una garganta blanca y una colorida mancha en la rabadilla. Uno de los pájaros más rápidos del mundo en vuelo. Pasa la mayor parte de su vida en vuelo, alimentándose de insectos. Migra entre los sitios de cría del este asiático y los de invernada en Australia.
Alpine Swift
A large swift (20-22 cm, wingspan 54-60 cm) with a white belly and throat contrasting with dark brown upperparts. Found from southern Europe and Africa to Central Asia. Aerial insectivore, foraging at great heights. Nests on cliff faces in large colonies. Powerful, fast flier.