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Dark-rumped Swift

Apus acuticauda

Near Threatened
Wingspan
34.8 cm
Weight
37.43 g
Family
Apodidae
Order
Caprimulgiformes

About

A medium-sized swift (17-18 cm) found in hill and montane regions of South and Southeast Asia, from the Himalayas to Indochina. Dark plumage with a contrasting dark rump. Aerial insectivore. Breeds on cliffs. Classified as Vulnerable due to limited breeding sites and habitat disturbance.

Physical Description

Measurement Value Imperial
Wingspan 34.8 cm 13.7 in
Weight 37.43 g 1.32 oz

Identification

Plumage

Dark sooty-brown throughout with dark rump concolorous with back; no contrasting white rump patch; pale white throat; underparts dark brown; Himalayan endemic cliff-nester; dark rump contrasting with white-rumped relatives is defining feature.

Habitat & Range

Geographic Range

Found in northeastern India (Assam) and adjacent Myanmar. Rare and poorly known; found in forested hills and river valleys at moderate elevation.

Diet & Feeding

Aerial insectivore feeding on swarms of small flies, winged ants, and tiny beetles during sustained flight.

Conservation Status

Near Threatened
IUCN Red List

Behavior & Breeding

Nesting

Nest type: CP.

Clutch Size

2-4

Sound

Song

Thin, high twittering with silvery sheen; rapid sequence of light notes with gentle tremolo quality at dawn and dusk.

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Caprimulgiformes (Nightjars & Swifts)
Family Apodidae (Swifts)
Genus Apus
Species Apus acuticauda

Distribution

Dark-rumped Swift has been recorded in 1 countries.

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Present Not recorded
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countries highlighted

External Databases

Frequently Asked Questions

What does the Dark-rumped Swift eat?
Aerial insectivore feeding on swarms of small flies, winged ants, and tiny beetles during sustained flight.
Where does the Dark-rumped Swift live?
Found in northeastern India (Assam) and adjacent Myanmar. Rare and poorly known; found in forested hills and river valleys at moderate elevation.
Is the Dark-rumped Swift endangered?
The Dark-rumped Swift has a conservation status of Near Threatened.
How does the Dark-rumped Swift nest?
Nest type: CP.
What does the Dark-rumped Swift sound like?
Thin, high twittering with silvery sheen; rapid sequence of light notes with gentle tremolo quality at dawn and dusk.
How big is the Dark-rumped Swift?
The Dark-rumped Swift has a wingspan of 34.8 cm, weight of 37.43 g.
What order and family does the Dark-rumped Swift belong to?
The Dark-rumped Swift (Apus acuticauda) belongs to the order Caprimulgiformes and the family Apodidae.

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