Yellow-legged Gull Photo Index

Yellow-legged Gull Larus michahellis

December 22nd 1990, Worcestershire


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Yellow-legged Gull, Worcs, December 1990

P. Stewart

This adult or near-adult Yellow-legged Gull was trapped at Throckmorton Landfill as long ago as 1990. Note the relatively dark shade of grey of the upperwing, with a strongly contrasting white trailing edge. Pattern of primary tips with more extensive black than in argentatus Herring Gull and closer to argenteus. Black on six primaries and a complete black band on p5. The evident head-streaking during December is unusual. Also, the dusky marks in the tail and wing-coverts may result from discolouring to a considerable extent but, together with a white mirror on p10 but no mirror on p9, may indicate that this individual is a sub-adult.


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