Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Coordinators:
Rui Caratão (Portugal)
Mars Muusse (Netherlands)

Atlantic YLG (atlantis) sub-adult, October 13 2009, São Miguel - Azores Islands. Picture: Dominic Mitchell.

Combination of adult-like plumage, bold white tips on primaries and bill pattern suggests 4cy. Last phase of complete moult: P8 fully grown.

Photo: © Dominic Mitchell (www.birdingetc.com).