Great Black-backed Gull Larus marinus Gallery


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Gallery

This page shows photos of Great Black-backed Gulls Larus marinus captured for ringing.

Click on each photo to see a gallery of the same bird.

EURING codes are provide mainly for the benefit of ringers. These are used to age birds in calendar years and distinguish between known age birds (odd numbers) and uncertain age birds (even numbers). More detailed information can be found here.

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