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Corvus cornix Oulu . en Hooded crows Corvus cornix on ice of the Oulujoki river near the Oulu city library fi Kolme varista Oulujoen jll Oulun kaupunginkirjaston edess Corvus cornix own Estormiz other versions cczero in Oulu Birds of Oulu Corvus cornix January in Finland Oulujoki in Oulu Taken with Canon EOS D