2017-03-10 Chroicocephalus ridibundus ユリカモメ bird March 2017. In the Muko river, Takarazuka, Hyogo, Japan December 2012. In Nishinomiya December 2017. Muko river, Takarazuka December 2017. In the Koyaike park, Itami February 2018. Muko river, Takarazuka
