whooper swan cygnus nest the marsh island
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
whooper swan cygnus nest the marsh island |
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| Whooper swan (Cygnus cygnus) moss nest. In a nest laid duck's egg for comparison |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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