Banded Martin
Neophedina cincta
The 15–17 cm (5.9–6.7 in) long banded martin has earth-brown upper parts, except for a white stripe above the eye. Its underparts are white, as are the underwing coverts, and it has a dark brown breast band, and sometimes a thin dark line across the vent. Sexes are similar, but the young have a paler breast band and golden tips to the upper part feathers. It is easily distinguished from the smaller sand martin by its square tail and white on the underwings, and from the brown-throated sand martin by its white throat.
ID text from Wikipedia, CC BY-SA 4.0
White-banded Swallow
Atticora fasciata
The white-banded swallow is a medium-sized swallow, measuring, on average, 15 cm (5.9 in) and weighing 12–16 g (0.42–0.56 oz). They usually have a wingspan of 92–108 mm (3.6–4.3 in). They decline in size from north to south, but this is a gradual decline, which suggests that there is no geographical variation. It is black, except for the band on its breast, its thighs, and bars on the edge of its wings, which are all white. It also has blackish-brown underwing coverts. Their feathers have a blue-black luster. This swallow has a deeply forked tail.
ID text from Wikipedia, CC BY-SA 4.0

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