Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) YUAD 1CY-2CY, December 2012 & June 2013, Koksijde, Belgium. Picture: Peter Adriaens. 

Ringed as 1CY on August 10 2012 at Raversijde (VOC), West-Vlaanderen, Belgium (51°12'0''N 2°51'0''E).

Herring Gull (argenteus) YUAD 2CY, June 28 2013, Koksijde, Belgium. Picture: Peter Adriaens. 

Complete moult: P1-P5 fully grown. P6 growing. P8-P10 old juvenile. Secondaries and tail juvenile.

below: Herring Gull YUAD 1CY, December 19 2012, Koksijde, Belgium. Picture: Peter Adriaens. 

Ringed as 1CY on August 10 2012 at Raversijde (VOC), West-Vlaanderen, Belgium (51°12'0''N 2°51'0''E). No provenance on origin / sub-species.

Juvenile plumage, with replaced scaps.