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Renk Knol: Regenwulp / Whimbrel / Numenius phaeopus
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Renk Knol: Eskimowulp / Eskimo curlew / Numenius borealis
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Renk Knol: Wulp / Curlew / Numerius arquata
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Renk Knol: Numenius americanus / Amerikaanse wulp / Long-billed curlew
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Renk Knol: Whimbrel / Regenwulp / Numerius phaeopus