Salim Ali's Swift vs Alpine Swift
Apus salimalii в сравнении с Tachymarptis melba
Side-by-Side Comparison
| Характеристика | Salim Ali's Swift | Alpine Swift |
|---|---|---|
| Научное название | Apus salimalii | Tachymarptis melba |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Apodidae | Apodidae |
| Охранный статус | Not Evaluated | Least Concern |
| Длина | — | — |
| Размах крыльев | — | 43,9 cm (17.3 in) |
| Масса | 42,949999999999996 g (1.52 oz) | 97,5 g (3.44 oz) |
| Питание | Aerial-only diet of small flying insects, winged termites, and drifting spiders caught during continuous flight. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| Размер кладки | -- | 1-4 |
| Population Trend | — | — |
Song & Call Comparison
Salim Ali's Swift
Faint, high-pitched squeak nearly inaudible; minute twittering barely registering above background in dense forest habitats.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Salim Ali's Swift
Found in northeastern India, China, and Indochina. Resident or short-distance migrant in hill and mountain forest. Recently split from Pacific Swift.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
Охранный статус
Salim Ali's Swift
Alpine Swift
How to Tell Them Apart
Salim Ali's Swift
Dark sooty-brown upperparts; white rump patch; pale white throat; underparts dark; deeply forked tail; recently split from Pacific Swift; named in honour of Indian ornithologist Salim Ali; plumage virtually identical …
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
Salim Ali's Swift
A medium-sized swift recently described and split from Pacific Swift, found in the Western Ghats and central India. Dark plumage with a pale rump. Aerial insectivore. Named after the renowned Indian ornithologist Salim Ali. Limited ecological data as a newly recognized species.
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.