Pallid Swift vs Pale-rumped Swift
Apus pallidus comparé à Chaetura egregia
Side-by-Side Comparison
| Attribut | Pallid Swift | Pale-rumped Swift |
|---|---|---|
| Nom scientifique | Apus pallidus | Chaetura egregia |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Apodidae | Apodidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 33,4 cm (13.1 in) | 23,4 cm (9.2 in) |
| Poids | 42,25 g (1.49 oz) | 23,68 g (0.84 oz) |
| Régime alimentaire | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| Taille de la couvée | 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.
Pale-rumped Swift
Breathy, rippling chatter with airy quality; light twittering notes loosely strung together in relaxed arrhythmic sequences.
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.
Pale-rumped Swift
Found in the western Amazon basin from eastern Peru and Bolivia east to central Brazil. Resident in lowland tropical forest near rivers.
Statut de conservation
Pallid Swift
Pale-rumped 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 …
Pale-rumped Swift
Small; dark sooty-brown upperparts; distinctively very pale whitish rump strongly contrasting with dark back; underparts dark grey-brown; short spiny tail; Amazonian species with one of the most striking white rumps …
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.
Pale-rumped Swift
A small swift (11-12 cm) of humid lowland forests from Colombia to Peru and western Brazil. Dark plumage with a conspicuous pale rump band. Spine-tipped tail. Aerial insectivore, foraging over forest canopy and rivers. Often seen in mixed-species swift flocks.