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Message: <blockquote data-quote="LowellMills" data-source="post: 3262420" data-attributes="member: 101146">Same brood, that is incredible.Michael/NC - that's not so much how CRBirding works. What you'd need to put into the dropdown menus on the Find A Project page would be the common name (start typing then choose one), the marking type (in this case single coded colour ring, choose from menu), the ring colour (yellow, choose from menu) and the format (in this case 4 alphanumeric because it's four numbers and letters mixed). I think you can choose code colour too. You then check the matches and see what best fits what you found. In your case I see a project listed where the code ends in 'B', and this is the one mentioned above. Time consuming in a very small way but CRBirding do not have a comprehensive database of all code iterations, and if they did they'd need all the corresponding colours and positions. Not doable.Where did you see this GBBG? Great to see the Swallow Pond herring gull further up! Remember when we got the Coot and Mallard metal rings there?</blockquote>