Update 2 to Paper Characteristics of Atlantic Yellow-legged Gulls
December 2004, additions in red font
Includes statistics for Atlantic-Mediterranean Intersection area in June 2002, SW France in August 2002 and La Palma in April 2003.
Statistics for Adults: Tables 3-5
Olse, Klaus Malling, & Larsson, Hans, Gulls of Europe, Asia and North America, Christopher Helm (2003).
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