Greater Striped Swallow
Cecropis cucullata
The greater striped swallow is 18–20 cm (7.1–7.9 in) long. It has dark blue upperparts with a pale orange rump and a chestnut crown, nape and sides of the head. The underparts and underwing coverts are creamy white with dark streaking, and the upper wings and underwing flight feathers are blackish-brown. The blackish tail has very long outer feathers; these are slightly longer in the male than the female. Juveniles are duller and browner, with less contrast and shorter outer tail feathers. The flight is slow and buoyant, and the call is a twittering chissick.
ID text from Wikipedia, CC BY-SA 4.0
Lesser Striped Swallow
Cecropis abyssinica
The lesser striped swallow is 15–10 cm long. It has dark blue upperparts with a red rump and a rufous-chestnut crown, nape and sides of the head. The underparts are white with dark streaking, and the upper wings and underwing flight feathers are blackish-brown. The underwing coverts are tawny. The blackish tail has very long outer feathers; these are slightly longer in the male than the female. Juveniles are duller and browner, with less contrast and shorter outer tail feathers. There are five or six subspecies differing in the extent of the underpart streaking.
ID text from Wikipedia, CC BY-SA 4.0
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