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LBB or GBB gull?? (1 Viewer)

PhilCumbria

Well-known member
What are the main points for telling them apart - is it just size?

This was a 'good' size gull but have seen larger ones here in Barrow in Furness.
 

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also note: colour - GBBG is really black on the back, British LBBG (graellsii) is dark grey;
leg colour is different (but I can't really make it out on this pic);
calls are very different.
 
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