Coordinators:
John Cant
Mars Muusse
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1cy June
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adult Jan
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Heermann's Gull heermannii 2nd cycle (2CY), August 29 2017, Half Moon Bay, California USA. Picture: Alvaro Jaramillo.
Second cycle Heermann's Gull. Bill a bit more orange red than in first cycle. No pale tips to any coverts. Primaries are still growing and are brand new in late August. Scapular crescent now present.
Patchy brown and gray nature of upperparts. Eye crescents starting to appear.
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Heermann's Gull heermannii