Paper
Characteristics of Atlantic Yellow-legged Gulls
Published 19th October 2001
Nick Rossiter
Map of Study Area with Locations Visited (plus Azores, Madeira)
Map of Atlantic-Mediterranean Intersection zone
Statistics for calls, wingtip and moult in adults
Statistics for features perched and in flight and for head and body streaking in first-years
Statistics for primary moult in first-summers
Colour shades of adult mantles against Dulux colour codes