Forbes-Watson's Swift illustration
Birdsong field guide

Forbes-Watson's Swift

Apus berliozi

A medium-sized, aerial specialist of the Horn of Africa and Socotra, often distinguished from the Pallid Swift by its darker plumage and distinct geographic range.

What it sounds like

A high-pitched, metallic screaming call, similar to the Pallid Swift but often described as more raspy or buzzing.

Reference call, compare with what you heard
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Rec. Stanislas Wroza · OmanCC BY-NC-SAXeno-canto

Field notes

  • It was named in honor of Jacques Berlioz, a prominent French ornithologist and curator at the Muséum National d'Histoire Naturelle.
  • The species is highly aerial, spending the vast majority of its life in flight, including foraging for insects and possibly sleeping on the wing.
  • It was historically classified as a subspecies of the Pallid Swift (Apus pallidus) before being recognized as a distinct species based on morphology and genetics.
  • There are two recognized subspecies: A. b. berliozi, found on Socotra, and A. b. bensoni, found along the coast of Somalia.
  • Nesting occurs in high-density colonies located within inaccessible rocky crevices, caves, and coastal cliffs.
Habitat
Arid coastal cliffs, offshore islands, and rocky inland escarpments near the sea.
Range
The Socotra archipelago (Yemen) and the coastal regions of Somalia.

Similar & commonly confused birds

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