Are these all Heuglin's Gulls ?

cywong

HKBWS Members

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1^# A A A Post at 7/03/2009 12:08 Show all

Are these all Heuglin's Gulls ?

Mai Po, 28.02.09

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cywong

HKBWS Members

Rank: 5 Rank: 5

2^# A A A Post at 9/03/2009 19:22 Show all

Thanks again for Geoff's expert opinion.

The 1st winter birds of these 2 species look very similar, I can only see the difference in their wings.

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