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Morphology and plumage
Distribution and migration
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adult areas axillaries Barn Swallow beetles birds Blue-and-white Swallow blue-black breast breast-band breeding season broods buffy burrows Cave Swallows central Cliff Swallow clutch colonies coverts Crag Martin dark brown diet DISTRIBUTION AND POPULATION dusky ear-coverts eastern feed female FIELD CHARACTERS fledging flies flocks FOOD AND BEHAVIOUR forehead forest forked tail gloss Greater Striped Swallow grey-brown HABITAT hirundines House Martins incubation insects Juvenile not shown legs and feet lores mainly male Mangrove Swallow mantle mean Measurements Length MIGRATION Mosque Swallow moult nest sites nestling period nominate race northern numbers open country outer tail feathers pairs pale paler perch plumage Psalidoprocne Purple Martin recorded Red-rumped Swallow Riparia Rock Martin roost Roughwings rufous rump Sand Martin scapulars sexes are alike sometimes southern species streaks Striped Swallow Swallow Hirundo Tachycineta tarsus tertials Tree Martins Tree Swallows underparts undertail-coverts underwing-coverts upperparts usually West Africa White-backed Swallow wing wing-coverts winter Zambia Zimbabwe