About Hirundo angolensis Bocage, 1868
Hirundo angolensis Bocage, 1868 measures 15 cm in length, and weighs 16 to 19 grams. Its forehead, throat, and upper breast are covered in deep rufous-chestnut plumage. The crown and upperparts are shiny steel-blue. Flight and tail feathers are black; tail feathers have large white patches (called windows). This species occurs in Angola, Burundi, the Democratic Republic of the Congo, Gabon, Kenya, Malawi, Namibia, Rwanda, Tanzania, Uganda, and Zambia.