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little-W | Studying gulls: Ringing project Black-headed Gulls
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little-W | Studying gulls: Black-headed Gull, adult, W[E5FM]
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little-W | Studying gulls: Black-headed Gull, adult, W[E5HV]
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little-W | Studying gulls: Black-headed Gull, adult, W[E5HV]
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little-W | Studying gulls: Black-headed Gull, juvenile, W[E5LL]
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little-W | Studying gulls: Black-headed Gull, juvenile, W[E5PA]
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little-W | Studying gulls: Black-headed Gull, juvenile, W[E5KF]
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little-W | Studying gulls: Black-headed Gulls, juvenile
©
little-W | Studying gulls: Black-headed Gull, adult