Slaty-backed Gull (schistisagus) 11A-12096 adult, 2004, 2005 & 2012, Gangneung & Ayajin, S Korea. Picture: Choi Seen-Kyoo & Sim Heon-Seop. |
Slaty-backed Gull (schistisagus) 11A-12960 13th cycle (14CY), January 07 2012, Choshi, Chiba Prefecture, Japan. Picture: Seichoudoku. |