Pallid Swift vs Malagasy Palm Swift
Apus pallidus so với Cypsiurus gracilis
Side-by-Side Comparison
| Thuộc Tính | Pallid Swift | Malagasy Palm Swift |
|---|---|---|
| Tên Khoa Học | Apus pallidus | Cypsiurus gracilis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 33,4 cm (13.1 in) | 24,8 cm (9.8 in) |
| Khối Lượng | 42,25 g (1.49 oz) | 12,0 g (0.42 oz) |
| Chế Độ Ăn | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| Số Trứng | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Pallid Swift only
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
Malagasy Palm Swift
Sharp, emphatic chip followed by buzzy rattle; staccato delivery with rising inflection at end of each phrase sequence.
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.
Malagasy Palm Swift
Found in Madagascar and the Comoro Islands. Resident in open areas with palms and forest edge across Madagascar.
Tình Trạng Bảo Tồn
Pallid Swift
Malagasy Palm 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 …
Malagasy Palm Swift
Slender; pale grey-brown overall; underparts slightly paler; long deeply forked tail; Malagasy endemic; very similar to African Palm Swift in uniform pale brown coloration but slightly smaller and confined to …
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.
Malagasy Palm Swift
A slender swift (15-16 cm) endemic to Madagascar. Dark brown plumage with a deeply forked tail. Closely related to African Palm Swift. Aerial insectivore, foraging over open country, towns, and along forest edges. Associated with Ravenala and other palms for nesting.