Coordinators:
Keith Mueller
Amar Ayyash
Mars Muusse
Index ORG
ring projects
PDF's
1cy June
1cy July
1cy Aug
1cy Sept
1cy Oct
1cy Nov
1cy Dec
2cy Jan
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2cy March
2cy April
2cy May
2cy June
2cy July
2cy Aug
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3cy Jan
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3cy March
3cy April
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3cy July
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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 2nd PB moult (3CY), August 20 2007, Avalon beach, NJ. Picture: Ron Morris.
Visit Ron's Flickr photos. Note brown centres on coverts and secondary centres. Complete (2nd pre-basic) moult: P1-P2 fully grown, P3 growing, P4 missing, P5-P10 old 2nd gen.
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delawarensis Ring-billed Gull