Friese grutto's krijgen zenders geïmplanteerd
by Rob Buiter
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Grutto-onderzoekers van de RUG in Portugal en Spanje
by Rob Buiter
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Grutto
by Jonathan Boot Fotografie
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Black-Tailed Godwit (Grutto)
by Rick & José van der Weijde
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Black-tailed Godwit
by Otto Plantema
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Rosse grutto/Bar-tailed godwit
by Joep Krijnen
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Grutto / Black-tailed Godwit
by Art Wittingen
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Rosse Grutto / Bar-tailed Godwit
by Arie Ouwerkerk
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rosse grutto - bar-tailed godwit
by Michael Kars
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Grutto - Black-tailed Godwit
by Richard Ubels
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