2nd cal. year Yellow-legged Gull / 2. KJ Mittelmeermöwe (Larus michahellis) |
| On average, the eye becomes pale earlier in Herring Gulls than in Yellow-legged - of which this individual is a typical example, still showing a dark eye. In its plumage, it is already quite advanced with grey dominating on the mantle. Some birds look much more like 1st winter at this age. |
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