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little-W | Studying gulls: Black-headed Gull, early head moult
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little-W | Studying gulls: Adult Black-headed Gull with early head moult
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little-W | Studying gulls: Black-headed Gull, adult
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little-W | Studying gulls: Black-headed Gull, adult, early head moult
©
little-W | Studying gulls: Black-headed Gull, adult
©
little-W | Studying gulls: Black-headed Gull, adult
©
little-W | Studying gulls: Black-headed Gull, adult, early head moult