Johann Friedrich Naumann
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Calcarius lapponicus, Plectrophenax nivalis by Johann Friedrich Naumann (3)
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Erithacus cyaneculus by Johann Friedrich Naumann (3)
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Pyrrhula pyrrhula, Pyrrhula pyrrhula europaea by Johann Friedrich Naumann (3)
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Tringa Temmincki Leisl, Tringa alpina, Tringa subarcuata by Johann Friedrich Naumann (3)
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Upupa epops by Johann Friedrich Naumann (3)