glaucescens Glaucous-winged Gull & Western Gull occidentalis

(last update: 22-12-2016 )

Coordinators:
Alvaro Jaramillo
John Cant
Mars Muusse

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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
3cy Feb
3cy March
3cy April
3cy May
3cy June
3cy July
3cy Aug
3cy Sept
3cy Oct
3cy Nov
3cy Dec

4cy / sub-ad Jan
4cy / sub-ad Feb
4cy / sub-ad March
4cy / sub-ad April
4cy / sub-ad May
4cy / sub-ad June
4cy / sub-ad July
4cy / sub-ad Aug
4cy / sub-ad Sept
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4cy / sub-ad Nov
4cy / sub-ad Dec

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adult May
adult June
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adult Nov
adult Dec

Western Gull occidentalis ... pre-basic moult into 3rd cycle (3CY), August 03 2013, Ballona Jetty, California, USA. Picture: Mickey Long.

Please visit Jamie's Flickr Photostream for more images!

All of the banded WEGUs with plain color bands, found in California have been from the Southeast Farallon Islands. For every year, they start using a new colour for that cohort. This is a bird from year 'RED'. Hatch year 2011.

Bird in summer in complete moult: P1-P6 replaced for 3rd gen primaries, P10 still old. Note old brown 2nd gen secondaries.