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| Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan | 2nd cycle > adult (3CY): June | |
|  Ring-billed Gull  delawarensis 2nd PB moult (3CY), June 29 2008, Washington Park Beach - Michigan City, Indiana. Picture: Erin Bluhm. | ||
|  Ring-billed Gull  delawarensis 2nd PB moult (3CY), June 12 2011, Toronto, Ontario. Picture: Peachea. | ||