Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) 5.1 2CY, August 16-20 2015, IJmuiden, the Netherlands.

Bird ringed as pullus in 2014 in the Netherlands.

P8/-. P9 halfway. PMS=44. New tail almost completed, small block of old juvenile central secs still present.