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Side-by-Side Comparison

属性	Horus Swift	Pallid Swift
学名	Apus horus	Apus pallidus
目	Caprimulgiformes	Caprimulgiformes
科	Apodidae	Apodidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	30.0 cm (11.8 in)	33.4 cm (13.1 in)
体重	27.5 g (0.97 oz)	42.25 g (1.49 oz)
食性	Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial …	Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders.
一腹卵数	1-4	1-4
Population Trend	—	—

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Habitat Comparison

共通生息地

None

Horus Swift only

None

Pallid Swift only

🌾 Grassland 🏖️ Coastal

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Song & Call Comparison

Horus Swift

さえずり

Sharp, buzzy chip followed by short descending whistle; compact two-part call repeated persistently from elevated perch.

Pallid Swift

さえずり

Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.

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Geographic Range & Migration

Horus Swift

Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in woodland and grassland near rivers.

Pallid Swift

Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.

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保全状況

Least Concern

Horus Swift

Least Concern

Pallid Swift

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How to Tell Them Apart

Horus Swift

羽毛

Dark sooty-brown; large white rump patch; white throat; pale flanks creating partial white underpart; square-ended tail; African species; compared to Little Swift, paler flanks give a more extensively white underpart …

Pallid Swift

羽毛

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 …

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About These Birds

Horus Swift

ホルスアマツバメは東・南部アフリカに生息し、白い腰と喉を持つ特徴的なアマツバメである。

Pallid Swift

カフリアマツバメは地中海沿岸やアフリカ北部に繁殖し、ヨーロッパアマツバメより淡い色合いが特徴的である。

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