Montane Blue Swallow illustration
Birdsong field guide

Montane Blue Swallow

Hirundo atrocaerulea

A rare and striking intra-African migrant, the Blue Swallow is a specialized inhabitant of high-altitude mist-belt grasslands currently classified as Vulnerable.

What it sounds like

A soft, musical 'bee-bee-bee-bee' and a sharp, metallic 'tsit' or 'chi-tichit' given during flight.

Reference call, compare with what you heard
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Rec. Dries Van de Loock · ZimbabweCC BY-NC-NDXeno-canto

Field notes

  • It possesses a brilliant, uniform metallic steel-blue plumage that can appear velvety black in low light conditions.
  • The species is an obligate nester in underground cavities, utilizing sinkholes, aardvark burrows, or abandoned mine shafts.
  • It is highly dependent on pristine, high-rainfall sourveld grasslands and is extremely sensitive to habitat fragmentation.
  • Adults exhibit elongated, streamer-like outer tail feathers which are significantly longer in males than in females.
  • The population is estimated to be fewer than 4,000 individuals globally, making it one of Africa's most threatened swallows.
Habitat
High-altitude, high-rainfall montane grasslands and associated wetlands.
Range
Breeds in Southern Africa (South Africa, Zimbabwe, Malawi) and winters in East Africa (Uganda, Kenya, DRC).

Similar & commonly confused birds

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