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N. 19970060 Sea Birds and Waders : Calidris alpina. |
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N. 19970070 Sea Birds and Waders : Fratercula artica. |
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N. 19970080 Sea Birds and Waders : Haematopus ostralegus. |
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N. 19970090 Sea Birds and Waders : Tringa totanus. |
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N. 19970100 Sea Birds and Waders : Phalacrocorax aristoletis. |
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