Pallid Swift vs Rothschild's Swift
Apus pallidus dibandingkan dengan Cypseloides rothschildi
Side-by-Side Comparison
| Atribut | Pallid Swift | Rothschild's Swift |
|---|---|---|
| Nama Ilmiah | Apus pallidus | Cypseloides rothschildi |
| Ordo | Caprimulgiformes | Caprimulgiformes |
| Famili | Apodidae | Apodidae |
| Status Konservasi | Least Concern | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 33,4 cm (13.1 in) | 30,6 cm (12.0 in) |
| Berat | 42,25 g (1.49 oz) | 43,0 g (1.52 oz) |
| Diet | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Aerial insectivore feeding on swarms of small flies, winged ants, and tiny beetles during sustained … |
| Ukuran Sarang | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Rothschild's Swift
Thin, buzzy twittering in flight; soft 'tsee-tsee' contact notes; calls over Andean waterfalls; quiet and unobtrusive vocally; high-pitched but weak; rarely heard
Geographic Range & Migration
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
Rothschild's Swift
Found in the Andes of northwestern Argentina and adjacent Bolivia at 1,500–3,000 m. Very poorly known; nests near waterfalls in humid forest.
Status Konservasi
Pallid Swift
Rothschild's Swift
How to Tell Them Apart
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
Rothschild's Swift
Blackish-brown overall with subtle pale scaling on throat and forehead; underparts slightly paler brownish; no contrasting white markings; robust-bodied Andean swift distinguished from Sooty Swift by faint pale throat scaling.
About These Birds
Pallid Swift
A medium-sized swift (16-17 cm) similar to Common Swift but paler, sandy-brown overall with a larger white throat patch. Found across southern Europe, North Africa, and the Middle East. Aerial insectivore. Long-distance migrant wintering in sub-Saharan Africa and South Asia.
Rothschild's Swift
A medium-sized swift (15-16 cm) found in montane forests of northwestern Argentina and southern Bolivia at 1,000-3,000 m elevation. Dark sooty plumage. Aerial insectivore, foraging over forested valleys. Nests behind waterfalls. Uncommon and local; named after Walter Rothschild.