| ColourRing | MetalRing | Date | ReportingCircumstance | Location | Country | Latitude | Longitude | EnglishName | LatinName | Observer | From Last KM | Days Elapsed Last | From First KM | Days Elapsed |
| Y0A5 | E08857 | 23/06/1998 | initial ringing | Noirmont Headland | JERSEY | 49.166 | -2.1702 | Herring Gull | Larus argentatus | Burrow, Bob |
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| Y0A5 | E08857 | 05/07/2000 | colour ring sighting | La Pulente, St Ouen, Jersey | JERSEY | 49.19194 | -2.228251 | Herring Gull | Larus argentatus | Dryden, Mick | 5 | 743 | 5 | 743 |
| Y0A5 | E08857 | 17/07/2000 | colour ring sighting | La Pulente, St Ouen, Jersey | JERSEY | 49.19194 | -2.228251 | Herring Gull | Larus argentatus | Dryden, Mick | 0 | 12 | 5 | 755 |
| Y0A5 | E08857 | 13/08/2000 | colour ring sighting | La Pulente, St Ouen, Jersey | JERSEY | 49.19194 | -2.228251 | Herring Gull | Larus argentatus | Dryden, Mick | 0 | 27 | 5 | 782 |
| Y0A5 | E08857 | 29/08/2000 | colour ring sighting | La Pulente, St Ouen, Jersey | JERSEY | 49.19194 | -2.228251 | Herring Gull | Larus argentatus | Dryden, Mick | 0 | 16 | 5 | 798 |
| Y0A5 | E08857 | 14/09/2000 | colour ring sighting | El Tico Beach, Jersey | JERSEY | 49.2045 | -2.2239 | Herring Gull | Larus argentatus | Dryden, Mick | 1 | 16 | 6 | 814 |
| Y0A5 | E08857 | 15/10/2001 | colour ring sighting | Petit Port, Jersey | JERSEY | 49.18451 | -2.23443 | Herring Gull | Larus argentatus | Paintin, Tony | 2 | 396 | 5 | 1210 |
| Y0A5 | E08857 | 04/02/2010 | colour ring sighting | Chouet Landfill | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 42 | 3034 | 46 | 4244 |
| Y0A5 | E08857 | 05/02/2010 | colour ring sighting | Chouet Landfill Beach | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 0 | 1 | 46 | 4245 |
| Y0A5 | E08857 | 30/03/2010 | colour ring sighting | Chouet Landfill | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 0 | 53 | 46 | 4298 |
| Y0A5 | E08857 | 09/04/2010 | colour ring sighting | Chouet Landfill Beach | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 0 | 10 | 46 | 4308 |
| Y0A5 | E08857 | 16/04/2010 | colour ring sighting | Alderney Airport | ALDERNEY | 49.70689 | -2.215097 | Herring Gull | Larus argentatus | Earl, Tim | 32 | 7 | 60 | 4315 |
| Y0A5 | E08857 | 12/10/2011 | colour ring sighting | Le Petit Port, St Brelade | JERSEY | 49.1841 | -2.202271 | Herring Gull | Larus argentatus | Syvret, Andrew | 58 | 544 | 3 | 4859 |
| Y0A5 | E08857 | 14/01/2012 | colour ring sighting | Chouet Landfill | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 43 | 94 | 46 | 4953 |
| Y0A5 | E08857 | 23/02/2012 | colour ring sighting | Le Petit Port, St Brelade | JERSEY | 49.1841 | -2.202271 | Herring Gull | Larus argentatus | Syvret, Andrew | 43 | 40 | 3 | 4993 |
| Y0A5 | E08857 | 21/04/2012 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | Syvret, Andrew | 3 | 58 | 6 | 5051 |
| Y0A5 | E08857 | 06/07/2012 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | Syvret, Andrew | 0 | 76 | 6 | 5127 |
| Y0A5 | E08857 | 12/01/2013 | colour ring sighting | Chouet Landfill | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 42 | 190 | 46 | 5317 |
| Y0A5 | E08857 | 13/02/2013 | colour ring sighting | Chouet Landfill Beach | GUERNSEY | 49.50669 | -2.540867 | Herring Gull | Larus argentatus | Veron, Paul K | 0 | 32 | 46 | 5349 |
| Y0A5 | E08857 | 30/04/2013 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | Syvret, Andrew | 42 | 76 | 6 | 5425 |
| W9HV5 | E08857 | 21/07/2013 | re-ringed (metal and colour) | Ty Coed, Vale Marais | GUERNSEY | 49.49731 | -2.532182 | Herring Gull | Larus argentatus | Veron, Paul K | 41 | 82 | 45 | 5507 |
| W9HV5 | E08857 | 25/02/2014 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | Syvret, Andrew | 41 | 219 | 6 | 5726 |
| W9HV5 | E08857 | 08/03/2014 | colour ring sighting | Petit Port, Jersey | JERSEY | 49.18451 | -2.23443 | Herring Gull | Larus argentatus | Paintin, Tony | 1 | 11 | 5 | 5737 |
| W9HV5 | E08857 | 19/03/2014 | colour ring sighting | Petit Port, Jersey | JERSEY | 49.18451 | -2.23443 | Herring Gull | Larus argentatus | Paintin, Tony | 0 | 11 | 5 | 5748 |
| W9HV5 | E08857 | 18/09/2015 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | da Costa, Romano | 1 | 548 | 6 | 6296 |
| W9HV5 | E08857 | 17/12/2015 | colour ring sighting | Petit Port, Jersey | JERSEY | 49.18451 | -2.23443 | Herring Gull | Larus argentatus | Paintin, Tony | 1 | 90 | 5 | 6386 |
| W9HV5 | E08857 | 21/04/2016 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | da Costa, Romano | 1 | 126 | 6 | 6512 |
| W9HV5 | E08857 | 23/02/2017 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | da Costa, Romano | 0 | 308 | 6 | 6820 |
| W9HV5 | E08857 | 27/07/2017 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | da Costa, Romano | 0 | 154 | 6 | 6974 |
| W9HV5 | E08857 | 14/10/2018 | colour ring sighting | St Ouen's Pond | JERSEY | 49.216 | -2.22137 | Herring Gull | Larus argentatus | da Costa, Romano | 4 | 444 | 7 | 7418 |
| W9HV5 | E08857 | 04/03/2019 | colour ring sighting | Le Grouet, Corbiere | JERSEY | 49.18248 | -2.241864 | Herring Gull | Larus argentatus | Pestana, Paul | 4 | 141 | 6 | 7559 |