Pallid Swift vs Pygmy Swiftlet
Apus pallidus verglichen mit Collocalia troglodytes
Side-by-Side Comparison
| Merkmal | Pallid Swift | Pygmy Swiftlet |
|---|---|---|
| Wissenschaftlicher Name | Apus pallidus | Collocalia troglodytes |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Apodidae | Apodidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 33,4 cm (13.1 in) | 18,6 cm (7.3 in) |
| Gewicht | 42,25 g (1.49 oz) | 5,55 g (0.20 oz) |
| Ernährung | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial insectivore; catches minute flies, beetles, and aerial spiders while foraging near cave roosts. |
| Gelegegröße | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
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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.
Pygmy Swiftlet
Extremely high, thin twittering; among highest-pitched calls of any bird; 'tseee-tseee' barely audible to adults; uses echolocation clicks in Philippine limestone caves
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.
Pygmy Swiftlet
Endemic to the Philippines, found on Mindanao and adjacent islands. Resident in lowland forest and coastal caves. One of the smallest swiftlets.
Erhaltungsstatus
Pallid Swift
Pygmy Swiftlet
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 …
Pygmy Swiftlet
Tiny; dark blue-black upperparts with faint iridescence; white or pale buff rump band; underparts pale greyish-white; slightly forked tail; one of the smallest swiftlets in the Philippines; cave-nesting with pale …
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.
Pygmy Swiftlet
The smallest swiftlet (9 cm), endemic to the Philippines. Dark grey-brown plumage. Aerial insectivore, foraging in small flocks over forest. Colonial cave nester. Despite being common, poorly studied due to the difficulty of distinguishing small, dark swiftlets in flight.