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Johannes Reufenheuser: Barnacle x Bar-headed Goose? 24-07-10, Inselrhein
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Johannes Reufenheuser: Barnacle x Bar-headed Goose, 06-07-11, Inselrhein
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Johannes Reufenheuser: Canada Goose 14-06-11 Inselrhein
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Johannes Reufenheuser: Graylag x Canada Goose, 12-03-11 Inselrhein