Arctic Tern, blue red white or yellow ring with 2 characters |
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Blackbird, 1 letter-ring + 2 plain rings |
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Blackbird, 3 colour rings + metal ring (the Netherlands - Berg en Dal) |
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Black-crowned Night Heron, white ring with 2 letters |
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Black-headed Gull, 1 ring with 2 characters |
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Black-headed Gull, white ring with 3 characters (first=L) |
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Black-headed Gull, white ring with 4 characters (first=E) |
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Black-headed Gull, white ring with 4 characters (first=S) |
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Black-headed Gull, yellow ring with 5 characters (first=S) |
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Common Buzzard, 1 red or dark green ring with 2 characters |
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Common Coot, 1 orange ring with 3 characters |
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Common Moorhen, 1 orange ring with 3 characters (first=C or S) |
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Common Ringed Plover, 1 white ring with 2 characters |
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Common Ringed Plover, unengraved blue ring and white ring with 3 characters (first=A) |
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Common Tern, black blue green or lime ring with 3 characters (first=N) |
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Common Tern, black blue lime white yellow ring with 3 characters (first=H) |
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Common Tern, black or yellow ring with 3 characters and at least 2 letters (first=L) |
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Common tern, black ring with 3 characters (first=S) |
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Common Tern, black white or yellow ring with 2 digits and a letter L |
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Common Tern, blue ring with 2 digits |
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Common Tern, blue ring with 2 digits and an A on first or last position |
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Common Tern, blue ring with 2 letters (first=K V or Z) |
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Common Tern, red or white ring with 3 digits (first=3) |
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Common Tern, white flag with 3 characters (first=N P R S or T) |
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Common Tern, white or yellow ring with 3 characters including an N |
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