Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Atlantic YLG (atlantis) 2cy, April 06 2008, Funchal, Madeira Islands. Picture: Thijs Valkenburg.

Typical michahellis-like post-juvenile moult last autumn, including inner wing-coverts and upper tertials. In atlantis, juvenile tail feathers often extensively dark.