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Cecropis daurica - red-rumped swallow
Cecropis daurica - red-rumped swallow -
Delichon urbicum - House martin
Delichon urbicum - House martin -
Hirundo rustica - Barn swallow
Hirundo rustica - Barn swallow -
Ptyonoprogne rupestris - Grag martin
Ptyonoprogne rupestris - Grag martin -
Riparia riparia - Bank swallow
Riparia riparia - Bank swallow