Gulls in NW Europe

(last update: September 25, 2011 )

Herring Gull (argenteus) A7BS 2011 & 2013, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.

Ringed as orphan or botulism victim and taken into hospital for a while. Bird from southern U.K.

below: 4cy (argenteus) A7BS October 04 2013, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.

Note bill colour, getting more black. Moult: P8 fully grown.

below: 4cy (argenteus) A7BS August 30 2013, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.

Note bill colour. Moult: P7/P9.

below: 2cy (argenteus) A7BS December 28 2011, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.

Gradually growing in adult grey feathers.

below: 2cy (argenteus) A7BS November 12 2011, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.