Mon

2010/2/2
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cmichaell

Dear Mon,

Your flight pics are of two first winter large white-headed gulls.

The left hand bird in pics 1 and 2 and only bird in pic 3 is Heuglin's Gull because of its darker barred underwing, broad tail band and lack of clear cut pale window across the inner primaries [even from underneath].

The right hand bird is Yellow-legged [Mongolian] Gull based on its whiter underwing, narrow tail band and heavier bill.

Mike Chalmers

Mon

Thank you Mike.