Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, juvenile, Ebro delta, Spain, 31/07/2016Audouin's Gull, adult, Ebro delta, Spain, 13/12/2014Audouin's Gull, adult, Ebro delta, Spain, 13/12/2014Audouin's Gull, adult, Ebro delta, Spain, 25/4/2014Audouin's Gull, adult, Ebro delta, Spain, 25/4/2014