http://members15.tsukaeru.net/iwaki_bird/_mizu/_index.htm http://www.pref.shimane.jp/section/keikan_shizen/rdb2/cnt/cnt51c.html http://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%AD%E3%82%B5%E3%82%AE http://www.planktonik.com/museum/ja/birds/s_h…