| Sterne arctique Sterna paradisaea © O. Laporte / LPO-IDF |
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| Sterne arctique Sterna paradisaea © O. Laporte / LPO-IDF |
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| Sterne bridée Sterna anaethetus © D. Stefanescu / LPO-IDF |
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| Sterne caspienne Sterna caspia © D. Stefanescu / LPO-IDF |
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| Sterne caspienne Sterna caspia © D. Stefanescu / LPO-IDF |
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| Sterne caspienne Sterna caspia © D. Stefanescu / LPO-IDF |
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| Sterne caspienne Sterna caspia © J. Coatmeur / LPO-IDF |
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| Sterne caspienne Sterna caspia © J. Coatmeur / LPO-IDF |
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| Sterne caspienne Sterna caspia © JB. Alemanni / LPO-IDF |
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| Sterne caspienne Sterna caspia © JF. Magne / LPO-IDF |
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| Sterne caspienne Sterna caspia © JF. Magne / LPO-IDF |
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| Sterne caugek Sterna sandvicensis © A. Bloquet / LPO-IDF |
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