Coordinators:
Keith Mueller
Amar Ayyash
Mars Muusse
Index ORG
ring projects
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1cy June
1cy July
1cy Aug
1cy Sept
1cy Oct
1cy Nov
1cy Dec
2cy Jan
2cy Feb
2cy March
2cy April
2cy May
2cy June
2cy July
2cy Aug
2cy Sept
2cy Oct
2cy Nov
2cy Dec
3cy Jan
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3cy March
3cy April
3cy May
3cy June
3cy July
3cy Aug
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3cy Dec
adult Jan
adult Feb
adult March
adult April
adult May
adult June
adult July
adult Aug
adult Sept
adult Oct
adult Nov
adult Dec |
Ring-billed Gull delawarensis 1st cycle (1CY), December 30 2012, Cross Lake, Louisiana. Picture: Ronnie Maum.
Dense chevrons on flanks and side of breast. Chequered pattern on greater coverts. Proximal half of tail also with lining and spotting.
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delawarensis Ring-billed Gull