
- Black-headed Gull, adult, summer - at the boat to Terschelling |
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- Black-headed Gull, adult, winter - Brouwersdam (Zeeland) 
Black-headed Gull, juvenile Texel |
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- Black-headed Gull, adult, summer - at the boat to Terschelling |
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- Black-headed Gull, adult, summer/winter - Brouwersdam (Zeeland) 
Black-headed Gull, juvenile Texel |
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