Two adult females Caspian Gull Larus cachinnans (both 9cy), trapped at nests during incubation on the Wytyckie Lake, end of April 2014. These birds has been ringed as a chicks in the Kaniv, Dniepr River, Cherkassy district of Ukraine (610 km away), in May 2006. I added the plastic rings. Iris are relatively pale.
T 002059 + 3P23