Coordinators:
Kim Seog-min (South Korea)
Hideo Shimura (Japan)
Peter Adriaens (Belgium)
Mars Muusse (Netherlands)
crassirostris rings
crassirostris PDFs
1CY July-Sept
1CY Oct-Dec
2CY Jan-March
2CY April-June
2CY July-Sept
2CY Oct-Dec
3CY Jan-March
3CY April-June
3CY July-Sept
3CY Oct-Dec
sub-ad Jan-March
sub-ad April-June
sub-ad July-Sept
adult Jan-March
adult April-June
adult July-Sept
adult Oct-Dec
Black-tailed Gull (crassirostris) / ウミネコ / 괭이갈매기