Lesser Black-backed Gull (graellsii & intermedius)

(last update: June 25, 2012)

Lesser Black-backed Gull graellsii RLA.N 2CY-3CY, July - August 2016 & July 2017, Utrecht, the Netherlands.

Metal ring BLB L916318 and darvic blue RLAN. Ringed as pullus on July 08 2015 at Zeebrugge Belgium (51°21'0''N 3°11'0''E).

Recoveries:
08/07/2015 Zeebrugge (Voorhaven), West-Vlaanderen, België INB 51°21'0''N 3°11'0''E
20/07/2016 Utrecht (Kanaleneiland), Utrecht, Nederland 52°4'0''N 5°6'0''E Muusse, Mars
17/08/2016 Utrecht (Kanaleneiland), Utrecht, Nederland 52°4'0''N 5°6'0''E Muusse, Mars
04/09/2016 Utrecht (Kanaleneiland), Utrecht, Nederland 52°4'0''N 5°6'0''E van der Meer, Frank wa
05/07/2017 Utrecht (Kanaleneiland), Utrecht, Nederland 52°4'0''N 5°6'0''E Muusse, Mars wa

below: Lesser Black-backed Gull graellsii RLA.N 2CY, July 20 2016, Utrecht, the Netherlands.

Complete moult: P1-P5 new fully grown, P6 growing, P7 missing, P8-P10 old juvenile. Tail: R1-R4 missing/growing, R5-R6 old juvenile. Secondaries: at least S1 missing, other juvenile.

below: Lesser Black-backed Gull graellsii RLA.N 2CY, August 17 2016, Utrecht, the Netherlands.

P6/P9. Note that the old 2nd gen MC (already replaced in winter) have been shed now, to be replaced for 3rd gen coverts. 2nd gen tail almost completed. Only small block of 5 old juvenile secondaries.

below: Lesser Black-backed Gull graellsii RLA.N 3CY, July 05 2017, Utrecht, the Netherlands.