Pallid Swift vs Chapman's Swift
Apus pallidus dibandingkan dengan Chaetura chapmani
Side-by-Side Comparison
| Atribut | Pallid Swift | Chapman's Swift |
|---|---|---|
| Nama Ilmiah | Apus pallidus | Chaetura chapmani |
| Ordo | Caprimulgiformes | Caprimulgiformes |
| Famili | Apodidae | Apodidae |
| Status Konservasi | Least Concern | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 33,4 cm (13.1 in) | 24,6 cm (9.7 in) |
| Berat | 42,25 g (1.49 oz) | 23,416666666666668 g (0.83 oz) |
| Diet | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … |
| Ukuran Sarang | 1-4 | 2-3 |
| 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.
Chapman's Swift
Quick, bubbling series of soft chips; pleasant liquid twittering with slightly buzzy edges, delivered during aerial display.
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.
Chapman's Swift
Found in Trinidad and Tobago and northern South America from Colombia and Venezuela south to northeastern Brazil. Resident in lowland forest.
Status Konservasi
Pallid Swift
Chapman'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 …
Chapman's Swift
Small; dark sooty-brown overall; rump slightly paler grey-brown than back; underparts dark brown; short spiny tail; Amazonian species intermediate in plumage between Chimney Swift and Band-rumped Swift; relatively poorly differentiated …
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.
Chapman's Swift
A small swift (12-13 cm) found in forests from Central America through northern South America to Trinidad. Dark plumage with a grey rump. Spine-tipped tail. Aerial insectivore. Difficult to distinguish from other Chaetura swifts in the field. Poorly studied.