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Keywords from Image Description:
Delichon urbicum Oulu . fi Kaksi rystspsky Delichon urbicum ja haarapsky Hirundo rustica kermss mutaa pesins varten Toppilassa Oulussa en Two House Martins Delichon urbicum and Barn Swallow Hirundo rustica gathering mud for their nests in Toppila Oulu own Estormiz cczero in Oulu Birds of Oulu Delichon urbicum Hirundo rustica