2cy Yellow-legged Gull/2kj Geelpootmeeuw



Yellow-legged Gull - Geelpootmeeuw - Larus michahellis

Yellow-legged Gull - Geelpootmeeuw - Larus michahellis

1: © Ruud Altenburg, 22-06-04; 2: © Ruud Altenburg, 29-06-04. Sportpark Jan van Galenstraat. 2cy Yellow-legged Gull (Larus michahellis). Note the advanced moult with all all median coverts grown and all but the inner greater coverts and P7 dropped. 2kj Geelpootmeeuw (Larus michahellis). Let op de vergevorderde rui, met alle middelste dekveren vervangen, alle grote dekveren (behalve de binnenste) en P7 ontbrekend.