Black-headed Gull Chroicocephalus ridibundus
| Ring no. | Age | Ringing date | Site | Outcome | Finding date | Location | Movement | Interval | |
|---|---|---|---|---|---|---|---|---|---|
| EZ12254 | 1 | 08 Jun 2016 | Fishers Green, Essex | Sighted | 31 Oct 2017 | Osterley Park, Greater London | 33km SW | 1 year 145 days |
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| Sighted | 15 Oct 2019 | Osterley Park, Greater London | 33km SW | 3 years 129 days | |||||
| Sighted | 10 Aug 2021 | Beddington SF, Greater London | 39km SSW | 5 years 63 days | |||||
| Sighted | 23 Dec 2022 | Osterley Park, Greater London | 33km SW | 6 years 198 days |
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| Sighted | 09 Feb 2025 | Osterley Park, Greater London | 33km SW | 8 years 246 days | |||||
| EY45959 | 4 | 06 Dec 2014 | Pitsea Landfill Site, Essex | Sighted | 01 Aug 2018 | Terschelling (Noordsvaarder), Friesland, NETHERLANDS | 373km NE | 3 years 238 days | |
| Sighted | 05 Feb 2025 | Minsmere, Suffolk | 109km NE | 10 years 61 days | |||||
| Sighted | 09 Feb 2025 | Minsmere, Suffolk | 109km NE | 10 years 65 days | |||||
| EZ55076 | 6 | 12 Mar 2016 | Pitsea Landfill Site, Essex | Sighted | 09 Oct 2018 | Cornouaille, Finistere, FRANCE | 517km SW | 2 years 211 days | |
| Sighted | 28 Jan 2019 | Cornouaille, Finistere, FRANCE | 517km SW | 2 years 322 days | |||||
| Sighted | 06 Oct 2019 | Kerleven, Finistere, FRANCE | 517km SW | 3 years 208 days | |||||
| Sighted | 05 Nov 2019 | Concarneau, Finistere, FRANCE | 517km SW | 3 years 238 days | |||||
| Sighted | 04 Dec 2019 | Concarneau (Plage des Sables-blanc), Finistere, FRANCE | 517km SW | 3 years 267 days | |||||
| Sighted | 05 Jan 2020 | Concarneau (Plage des Sables-blanc), Finistere, FRANCE | 517km SW | 3 years 299 days | |||||
| Sighted | 18 Sep 2020 | Cornouaille, Finistere, FRANCE | 517km SW | 4 years 190 days | |||||
| Sighted | 15 Nov 2020 | Cornouaille, Finistere, FRANCE | 517km SW | 4 years 248 days | |||||
| Sighted | 13 Dec 2020 | Concarneau (Plage des Sables-blanc), Finistere, FRANCE | 517km SW | 4 years 276 days | |||||
| Sighted | 28 Oct 2021 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 5 years 230 days | |||||
| Sighted | 07 Feb 2022 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 5 years 332 days | |||||
| Sighted | 30 May 2022 | Cliffe, Kent | 8km SSW | 6 years 79 days | |||||
| Sighted | 17 Oct 2022 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 6 years 219 days |
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| Sighted | 28 Nov 2022 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 6 years 261 days | |||||
| Sighted | 07 Jan 2023 | Kerleven, Finistere, FRANCE | 517km SW | 6 years 301 days | |||||
| Sighted | 11 Jan 2023 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 6 years 305 days |
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| Sighted | 13 Nov 2023 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 7 years 246 days | |||||
| Sighted | 05 Dec 2023 | La Foret-Fouesnant (Anse du Bourg), Finistere, FRANCE | 517km SW | 7 years 268 days | |||||
| Sighted | 13 Dec 2023 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 7 years 276 days |
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| Sighted | 27 Jan 2024 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 7 years 321 days | |||||
| Sighted | 29 Nov 2024 | Cornouaille, Finistere, FRANCE | 517km SW | 8 years 262 days | |||||
| Sighted | 30 Nov 2024 | Cornouaille, Finistere, FRANCE | 517km SW | 8 years 263 days | |||||
| Sighted | 30 Dec 2024 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 8 years 293 days |
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| Sighted | 13 Feb 2025 | Concarneau (Anse de Saint-Laurent), Finistere, FRANCE | 517km SW | 8 years 338 days | |||||
| EY77697 | 6 | 02 Jan 2015 | Rainham Tip, Greater London | Sighted | 20 Jul 2017 | Bexley Tip, Crayford, Kent | 4km S | 2 years 199 days |
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| Sighted | 03 Mar 2018 | Bexley Tip, Crayford, Kent | 4km S | 3 years 60 days | |||||
| Sighted | 18 Jun 2018 | Rehbach, Leipzig, GERMANY | 838km E | 3 years 167 days | |||||
| Sighted | 13 Sep 2018 | Bexley Tip, Crayford, Kent | 4km S | 3 years 254 days |
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| Sighted | 27 Jan 2019 | Bexley Tip, Crayford, Kent | 4km S | 4 years 25 days | |||||
| Sighted | 02 Aug 2020 | Erith, Greater London | 3km SSW | 5 years 213 days | |||||
| Sighted | 18 Nov 2020 | Bexley Tip, Crayford, Kent | 4km S | 5 years 321 days |
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| Sighted | 31 Oct 2022 | Bexley Tip, Crayford, Kent | 4km S | 7 years 302 days | |||||
| Sighted | 20 Nov 2023 | Crayford Marshes, Kent | 2km SSE | 8 years 322 days | |||||
| Sighted | 09 Feb 2025 | Erith, Greater London | 3km SSW | 10 years 38 days | |||||
| EY77802 | 6 | 02 Jan 2015 | Rainham Tip, Greater London | Sighted | 09 Feb 2025 | Crossness, Greater London | 4km WNW | 10 years 38 days | |
| EZ58632 | 4 | 03 Dec 2016 | Pitsea Landfill Site, Essex | Sighted | 01 Feb 2025 | Kortemark, Flanders, BELGIUM | 181km ESE | 8 years 60 days | |
| EZ70805 | 6 | 11 Mar 2017 | Pitsea Landfill Site, Essex | Sighted | 11 Feb 2018 | Mayesbrook Park, Barking, Greater London | 28km W | 337 days |
|
| Sighted | 23 Aug 2018 | Mayesbrook Park, Barking, Greater London | 28km W | 1 year 165 days | |||||
| Sighted | 02 Mar 2025 | Spade Oak GP, Little Marlow, Bucks | 86km W | 7 years 356 days | |||||
| EZ70793 | 6 | 11 Mar 2017 | Pitsea Landfill Site, Essex | Sighted | 24 Jan 2019 | Bletchley Landfill Site, Bucks | 99km WNW | 1 year 319 days | |
| Sighted | 30 Jan 2019 | Newton Leys, Bletchley, Milton Keynes, Bucks | 99km WNW | 1 year 325 days |
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| Sighted | 23 Feb 2019 | Newton Leys, Bletchley, Milton Keynes, Bucks | 99km WNW | 1 year 349 days | |||||
| Sighted | 28 Feb 2019 | Bletchley Landfill Site, Bucks | 99km WNW | 1 year 354 days | |||||
| Sighted | 04 Mar 2019 | Bletchley Landfill Site, Bucks | 99km WNW | 1 year 358 days | |||||
| Sighted | 10 Jan 2020 | Newton Leys, Bletchley, Milton Keynes, Bucks | 99km WNW | 2 years 305 days |
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| Sighted | 05 Mar 2025 | Newton Leys, Bletchley, Milton Keynes, Bucks | 99km WNW | 7 years 359 days | |||||
| EZ70622 | 6 | 25 Feb 2017 | Pitsea Landfill Site, Essex | Sighted | 23 Jun 2021 | Texel (Nieuw Buitenheim), Noord-Holland, NETHERLANDS | 340km ENE | 4 years 118 days | |
| Sighted | 09 Jul 2021 | Texel (Nieuw Buitenheim), Noord-Holland, NETHERLANDS | 340km ENE | 4 years 134 days | |||||
| Sighted | 20 Mar 2023 | Texel (Dijkmanshuizen), Noord-Holland, NETHERLANDS | 339km ENE | 6 years 23 days | |||||
| Sighted | 23 Mar 2023 | Ottersaat, Texel, Noord-Holland, NETHERLANDS | 339km ENE | 6 years 26 days | |||||
| Sighted breeding | 15 May 2023 | Texel (Wagejot), Noord-Holland, NETHERLANDS | 343km ENE | 6 years 79 days | |||||
| Sighted | 20 Dec 2023 | Rainham (Coldharbour Point), Greater London | 23km WSW | 6 years 298 days | |||||
| Sighted breeding | 01 May 2024 | Ottersaat, Texel, Noord-Holland, NETHERLANDS | 339km ENE | 7 years 66 days | |||||
| Sighted | 20 Mar 2025 | Ottersaat, Texel, Noord-Holland, NETHERLANDS | 339km ENE | 8 years 23 days | |||||
| EZ55067 | 6 | 12 Mar 2016 | Pitsea Landfill Site, Essex | Sighted | 18 Sep 2016 | Hyde Park, Greater London | 47km W | 190 days | |
| Sighted | 29 Oct 2016 | Kensington Gardens, Greater London | 48km W | 231 days |
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| Sighted | 14 Dec 2018 | Kensington Gardens, Greater London | 48km W | 2 years 277 days | |||||
| Sighted | 29 Dec 2018 | Hyde Park, Greater London | 47km W | 2 years 292 days | |||||
| Sighted | 14 Feb 2019 | Kensington Gardens, Greater London | 48km W | 2 years 339 days | |||||
| Sighted | 30 Dec 2020 | Battersea Park, Greater London | 47km W | 4 years 293 days | |||||
| Sighted | 23 Nov 2021 | Hyde Park, Greater London | 47km W | 5 years 256 days | |||||
| Sighted | 02 Dec 2021 | Kensington Gardens, Greater London | 48km W | 5 years 265 days |
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| Sighted | 14 Feb 2023 | Kensington Gardens, Greater London | 48km W | 6 years 339 days | |||||
| Sighted | 19 Feb 2023 | Hyde Park, Greater London | 47km W | 6 years 344 days | |||||
| Sighted | 17 Dec 2024 | Kensington Gardens, Greater London | 48km W | 8 years 280 days | |||||
| Sighted | 04 Jan 2025 | Hyde Park, Greater London | 47km W | 8 years 298 days | |||||
| Sighted | 19 2025 | Kensington Gardens, Greater London | 48km W | 0 days | |||||
| EY77507 | 4 | 06 Dec 2014 | Pitsea Landfill Site, Essex | Sighted | 20 Mar 2015 | Oare Marshes, Kent | 33km SE | 104 days |
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| Sighted | 03 Apr 2025 | Oare Marshes, Kent | 33km SE | 10 years 118 days | |||||
| EZ13104 | 6 | 16 Jan 2016 | Pitsea Landfill Site, Essex | Sighted | 14 Jul 2016 | Aussenmuehlenteich, Harburg, Hamburg, GERMANY | 674km ENE | 180 days | |
| Sighted | 21 Oct 2017 | Bexley Tip, Crayford, Kent | 23km WSW | 1 year 278 days |
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| Sighted | 22 Feb 2021 | Bexley Tip, Crayford, Kent | 23km WSW | 5 years 37 days | |||||
| Sighted | 13 Mar 2025 | Hoofdplaat, Zeeland, NETHERLANDS | 214km E | 9 years 56 days | |||||
| EZ70814 | 6 | 11 Mar 2017 | Pitsea Landfill Site, Essex | Sighted | 02 Feb 2018 | Plage du Zorn, Plouguerneau, Finistere, FRANCE | 481km SW | 328 days | |
| Sighted | 19 Sep 2020 | Le Vougo, Guisseny, Finisterre, FRANCE | 481km SW | 3 years 192 days | |||||
| Sighted | 11 Dec 2020 | Plage du Vougo, Plouguerneau, Finistere, FRANCE | 480km SW | 3 years 275 days | |||||
| Sighted | 27 Feb 2021 | Icklesham, E Sussex | 69km S | 3 years 353 days | |||||
| Sighted | 04 Apr 2021 | Pett Level, E Sussex | 71km S | 4 years 24 days | |||||
| Sighted breeding | 27 Jun 2021 | Pett Level, E Sussex | 71km S | 4 years 108 days | |||||
| Sighted | 20 Oct 2021 | Plage du Vougo, Plouguerneau, Finistere, FRANCE | 480km SW | 4 years 223 days | |||||
| Sighted | 10 Apr 2022 | Icklesham, E Sussex | 69km S | 5 years 30 days | |||||
| Sighted (NR) | 12 Apr 2025 | Icklesham, E Sussex | 69km S | 8 years 32 days | |||||
| EZ58868 | 4 | 17 Dec 2010 | Pitsea Landfill Site, Essex | Metal ring read | 08 Apr 2023 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 12 years 112 days | |
| Sighted | 05 Apr 2025 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 14 years 109 days | |||||
| EZ58712 | 4 | 17 Dec 2016 | Pitsea Landfill Site, Essex | Sighted | 07 Apr 2019 | Skracklan, Vanersborgsviken, Vanersborg, SWEDEN | 1068km NE | 2 years 111 days |
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| Sighted | 08 Apr 2021 | Skracklan, Vanersborgsviken, Vanersborg, SWEDEN | 1068km NE | 4 years 112 days | |||||
| Sighted | 20 Jan 2022 | Basildon (Gloucester Park), Essex | 6km NW | 5 years 34 days | |||||
| Sighted | 17 Mar 2022 | Skracklan, Vanersborgsviken, Vanersborg, SWEDEN | 1068km NE | 5 years 90 days |
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| Sighted | 21 Mar 2024 | Skracklan, Vanersborgsviken, Vanersborg, SWEDEN | 1068km NE | 7 years 95 days | |||||
| Sighted | 24 Mar 2025 | Vanersborgsviken, Vanersborg, SWEDEN | 1066km NE | 8 years 97 days | |||||
| Sighted | 10 Apr 2025 | Vanersborgsviken, Vanersborg, SWEDEN | 1066km NE | 8 years 114 days | |||||
| EX42882 | 6 | 22 Jan 2011 | Pitsea Landfill Site, Essex | Metal ring read | 07 Mar 2015 | Heringsdorf, Usedom, Mecklenburg - Vorpommern, GERMANY | 955km ENE | 4 years 44 days | |
| Recaptured | 26 Mar 2022 | Miedzyzdroje, Zachodnio-Pomorskie, POLAND | 972km ENE | 11 years 63 days | |||||
| Sighted | 03 Apr 2022 | Ahlbeck, Seebad, Mecklenburg - Vorpommern, GERMANY | 956km ENE | 11 years 71 days | |||||
| Recaptured | 11 May 2022 | Inseln Bohmke und Werder, Mecklenburg - Vorpommern, GERMANY | 944km ENE | 11 years 109 days | |||||
| Sighted | 11 Jun 2023 | Miedzyzdroje, Zachodnio-Pomorskie, POLAND | 972km ENE | 12 years 140 days | |||||
| Sighted | 24 Jun 2024 | Wisełka:plaża, Wolin, Zachodnio-Pomorskie, POLAND | 5730km S | 13 years 154 days | |||||
| Sighted | 15 Mar 2025 | Miedzyzdroje, Zachodnio-Pomorskie, POLAND | 972km ENE | 14 years 52 days |
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| Sighted | 11 Apr 2025 | Miedzyzdroje, Zachodnio-Pomorskie, POLAND | 972km ENE | 14 years 79 days | New | ||||
| EX03299 | 5 | 06 Mar 2010 | Pitsea Landfill Site, Essex | Metal ring read | 29 Mar 2013 | Heringsdorf, Usedom, Mecklenburg - Vorpommern, GERMANY | 955km ENE | 3 years 23 days | |
| Sighted (R) | 30 Mar 2013 | Heringsdorf, Usedom, Mecklenburg - Vorpommern, GERMANY | 955km ENE | 3 years 24 days | |||||
| Sighted (R) | 06 Mar 2014 | Schloonsee, DENMARK | 954km ENE | 4 years 0 days | |||||
| Sighted (R) | 22 Jun 2014 | Schloonsee, Seebad Basin, GERMANY | 954km ENE | 4 years 108 days | |||||
| Sighted (R) | 09 Jul 2014 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 4 years 125 days | |||||
| Sighted (R) | 14 Mar 2015 | Ahlbeck, Seebad, Mecklenburg - Vorpommern, GERMANY | 956km ENE | 5 years 8 days | |||||
| Sighted (R) | 13 Mar 2016 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 6 years 7 days |
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| Sighted | 16 Jul 2016 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 6 years 132 days | |||||
| Sighted | 16 Jul 2016 | Aswiniuja, Cie, POLAND | 1023km NE | 6 years 132 days | |||||
| Sighted | 05 Mar 2017 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 6 years 364 days |
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| Sighted | 19 Mar 2017 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 7 years 13 days | |||||
| Sighted | 08 Jun 2017 | Aswiniuja, Cie, POLAND | 1023km NE | 7 years 94 days | |||||
| Sighted | 01 Jul 2017 | Aswiniuja, Cie, POLAND | 1023km NE | 7 years 117 days | |||||
| Sighted | 08 Jul 2017 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 7 years 124 days |
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| Sighted | 17 Jun 2023 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 13 years 103 days | |||||
| Sighted | 15 Dec 2023 | Llanelli, Carmarthenshire | 324km W | 13 years 284 days | |||||
| Sighted | 06 Mar 2025 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 15 years 0 days |
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| Sighted | 09 Apr 2025 | Swiniujscie Plaza, Zachodnio-Pomorskie POLAND | 958km ENE | 15 years 34 days | New | ||||
| EZ58048 | 6 | 02 Apr 2016 | Pitsea Landfill Site, Essex | Sighted | 26 Jun 2017 | Motney Hill, Lower Rainham, Kent | 18km SSE | 1 year 85 days | |
| Sighted | 28 Mar 2024 | Minsmere, Suffolk | 109km NE | 7 years 361 days |
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| Sighted breeding | 22 Apr 2025 | Minsmere, Suffolk | 109km NE | 9 years 20 days | New | ||||
Lesser Black-backed Gull Larus fuscus
| Ring no. | Age | Ringing date | Site | Outcome | Finding date | Location | Movement | Interval | |
|---|---|---|---|---|---|---|---|---|---|
| FR59707 | 10 | 29 Aug 2009 | Rainham Tip, Greater London | Sighted | 17 May 2011 | Helgoland, Schleswig-Holstein, GERMANY | 595km ENE | 1 year 261 days | |
| Sighted breeding | 23 Apr 2013 | Helgoland, Schleswig-Holstein, GERMANY | 595km ENE | 3 years 237 days | |||||
| Sighted | 24 Jul 2013 | Shawell, Lutterworth, Leicestershire | 140km NW | 3 years 329 days | |||||
| Sighted | 28 Jan 2014 | Tiougoune, SENEGAL | 4281km SSW | 4 years 152 days | |||||
| Sighted | 30 Apr 2014 | Helgoland, Schleswig-Holstein, GERMANY | 595km ENE | 4 years 244 days |
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| Sighted | 07 Aug 2014 | Helgoland, Schleswig-Holstein, GERMANY | 595km ENE | 4 years 343 days | |||||
| Sighted | 24 Apr 2015 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 5 years 238 days | |||||
| Sighted | 06 Aug 2015 | Helgoland, Schleswig-Holstein, GERMANY | 595km ENE | 5 years 342 days |
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| Sighted breeding | 23 Apr 2016 | Helgoland, Schleswig-Holstein, GERMANY | 595km ENE | 6 years 238 days | |||||
| Sighted | 06 Jun 2016 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 6 years 282 days | |||||
| Sighted | 10 Jul 2016 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 6 years 316 days | |||||
| Sighted | 18 Apr 2017 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 273km ENE | 7 years 232 days | |||||
| Sighted | 06 May 2017 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 7 years 250 days |
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| Sighted | 18 Jul 2021 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 11 years 323 days | |||||
| Sighted | 22 Sep 2021 | Cotesbach Landfill Site, Leics | 141km NW | 12 years 24 days | |||||
| Sighted | 15 May 2022 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 12 years 259 days |
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| Sighted breeding | 23 Jun 2024 | Helgoland-Dune, Schleswig-Holstein, GERMANY | 597km NE | 14 years 299 days | |||||
| FA39818 | 8 | 15 Oct 2011 | Rainham Tip, Greater London | Sighted | 04 Dec 2011 | Colmenar Viejo, Madrid, SPAIN | 1240km SSW | 50 days | |
| Sighted | 15 Oct 2014 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 3 years 0 days |
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| Sighted | 14 Nov 2017 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 6 years 30 days | |||||
| Sighted | 10 Sep 2017 | Oostkapelle, Zeeland, NETHERLANDS | 232km E | 5 years 330 days | |||||
| Sighted | 08 Sep 2019 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 7 years 328 days |
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| Sighted | 13 Oct 2019 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 7 years 363 days | |||||
| Sighted | 22 Dec 2019 | Colmenar Viejo, Madrid, SPAIN | 1240km SSW | 8 years 68 days | |||||
| Sighted | 11 Sep 2020 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 8 years 332 days |
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| Sighted | 23 Jul 2021 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 9 years 281 days | |||||
| Sighted | 31 Aug 2021 | Zebrugge (Strand), West-Vlaanderen, BELGIUM | 207km E | 9 years 320 days | |||||
| Sighted | 14 Sep 2022 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 10 years 334 days | |||||
| Sighted | 02 Oct 2022 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 10 years 352 days | |||||
| Sighted | 07 Mar 2024 | Oosterscheldekering, Burgh-Haamstede, Zeeland, NETHERLANDS | 242km E | 12 years 144 days | |||||
| Sighted breeding | 01 Aug 2024 | Neeltje Jans, Zeeland, NETHERLANDS | 242km E | 12 years 291 days | |||||
| Sighted | 12 Sep 2024 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 12 years 333 days |
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| Sighted | 15 Sep 2024 | Westkapelle, Zeeland, NETHERLANDS | 224km E | 12 years 336 days | |||||
| FH41283 | 10 | 13 Mar 2018 | Pitsea Landfill Site, Essex | Sighted | 04 Apr 2019 | Rotterdam (Maasvlakte), Zuid-Holland, NETHERLANDS | 245km ENE | 1 year 22 days | |
| Sighted | 28 Apr 2023 | Rotterdam (Maasvlakte), Zuid-Holland, NETHERLANDS | 245km ENE | 5 years 46 days | |||||
| Sighted | 24 Mar 2024 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 6 years 11 days | |||||
| FH41019 | 10 | 16 Feb 2013 | Pitsea Landfill Site, Essex | Sighted | 03 May 2013 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 76 days |
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| Sighted | 20 Apr 2015 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 2 years 63 days | |||||
| Sighted | 27 Aug 2016 | Cotesbach Landfill Site, Leics | 154km NW | 3 years 193 days | |||||
| Sighted | 30 Nov 2016 | Shawell, Lutterworth, Leicestershire | 154km NW | 3 years 288 days | |||||
| Sighted | 01 Jun 2016 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 3 years 106 days | |||||
| Sighted | 20 Mar 2017 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 4 years 32 days | |||||
| Sighted | 03 Nov 2017 | Cotesbach Landfill Site, Leics | 154km NW | 4 years 260 days | |||||
| Sighted | 02 Apr 2018 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 5 years 45 days | |||||
| Sighted | 09 Apr 2018 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 5 years 52 days | |||||
| Sighted | 25 Aug 2018 | Cotesbach Landfill Site, Leics | 154km NW | 5 years 190 days | |||||
| Sighted | 31 Dec 2018 | Park Grounds Landfill, Royal Wootton Bassett, Wiltshire | 169km W | 5 years 318 days | |||||
| Sighted | 02 Feb 2019 | Eyebrook Reservoir, Leics/Rutland | 142km NW | 5 years 351 days | |||||
| Sighted | 11 Dec 2020 | Appleford GP, Oxfordshire | 123km W | 7 years 299 days | |||||
| Sighted | 15 Jan 2021 | Cotesbach Landfill Site, Leics | 154km NW | 7 years 334 days | |||||
| Sighted | 21 Dec 2021 | Park Grounds Landfill, Royal Wootton Bassett, Wiltshire | 169km W | 8 years 308 days | |||||
| Sighted | 21 Oct 2022 | Newton Leys, Bletchley, Milton Keynes, Bucks | 99km WNW | 9 years 247 days | |||||
| Sighted | 23 Mar 2024 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 11 years 36 days |
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| Sighted | 20 Apr 2024 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 11 years 64 days | |||||
| FH41077 | 7 | 15 Nov 2014 | Pitsea Landfill Site, Essex | Sighted | 02 Oct 2015 | Ter Heijde, Zuid Holland, NETHERLANDS | 256km ENE | 321 days | |
| Sighted | 19 Oct 2015 | Katwijk, Zuid-Holland, NETHERLANDS | 275km ENE | 338 days | |||||
| Sighted | 08 Apr 2016 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 1 year 145 days |
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| Sighted | 05 Apr 2019 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 4 years 141 days | |||||
| Sighted | 20 Apr 2019 | The Hague (Zuiderpark), Zuid-Holland, NETHERLANDS | 264km ENE | 4 years 156 days | |||||
| Sighted | 21 Jun 2020 | Rotterdam (Noordplein), Zuid-Holland, NETHERLANDS | 276km E | 5 years 219 days | |||||
| Sighted | 22 Feb 2025 | Rotterdam (Europoort), Zuid-Holland, NETHERLANDS | 250km ENE | 10 years 99 days | |||||
| FA39900 | 8 | 11 Dec 2010 | Rainham Tip, Greater London | Sighted | 26 Jan 2013 | Oulton Broad, Suffolk | 149km NE | 2 years 46 days | |
| Sighted | 16 Mar 2014 | Terschelling, Friesland, NETHERLANDS | 406km NE | 3 years 95 days | |||||
| Sighted | 15 Sep 2014 | Honnington, Suffolk | 100km NNE | 3 years 278 days | |||||
| Sighted | 03 Mar 2015 | Terschelling, Friesland, NETHERLANDS | 406km NE | 4 years 82 days | |||||
| Sighted | 07 Mar 2015 | Terschelling, Friesland, NETHERLANDS | 406km NE | 4 years 86 days | |||||
| Sighted | 27 Mar 2019 | Terschelling (North Sea Beach), Friesland, NETHERLANDS | 411km NE | 8 years 106 days | |||||
| Sighted | 28 Aug 2021 | Livermere Heath, Suffolk | 100km NNE | 10 years 260 days | |||||
| Sighted | 10 Aug 2023 | Terschelling (North Sea Beach), Friesland, NETHERLANDS | 411km NE | 12 years 242 days | |||||
| Sighted | 27 Oct 2024 | Livermere Heath, Suffolk | 100km NNE | 13 years 321 days | |||||
| Sighted | 07 Mar 2025 | Newton Leys, Bletchley, Milton Keynes, Bucks | 83km NW | 14 years 86 days | |||||
| FH41268 | 10 | 13 Mar 2018 | Pitsea Landfill Site, Essex | Sighted | 20 Aug 2019 | Texel, NETHERLANDS | 329km ENE | 1 year 160 days | |
| Sighted | 19 Mar 2025 | Beddington SF, Greater London | 50km WSW | 7 years 6 days | |||||
| FH41124 | 10 | 27 Feb 2016 | Pitsea Landfill Site, Essex | Sighted | 19 Dec 2016 | Plage du Ry, Douarnenez, Finistere, FRANCE | 515km SW | 296 days |
|
| Sighted | 06 Jan 2017 | Plage du Ry, Douarnenez, Finistere, FRANCE | 515km SW | 314 days | |||||
| Sighted | 14 Dec 2019 | Oued Ikem, Skhirat, MOROCCO | 2053km SSW | 3 years 290 days | |||||
| Sighted | 09 Aug 2020 | Zeebrugge, West-Vlaanderen, BELGIUM | 185km E | 4 years 164 days | |||||
| Sighted | 02 May 2021 | Vlissingen-Oost (Quarleshaven), Zeeland, NETHERLANDS | 220km E | 5 years 64 days | |||||
| Recaptured | 23 May 2021 | Ritthem, Zeeland, NETHERLANDS | 220km E | 5 years 85 days | |||||
| FR59910 | 10 | 06 Feb 2010 | Pitsea Landfill Site, Essex | Sighted | 09 Apr 2012 | Texel, NETHERLANDS | 329km ENE | 2 years 63 days |
|
| Sighted | 08 Jun 2013 | Texel, NETHERLANDS | 329km ENE | 3 years 122 days | |||||
| Sighted | 06 Jul 2013 | Medemblik, Noord-Holland, NETHERLANDS | 340km ENE | 3 years 150 days | |||||
| Sighted | 12 Jul 2014 | Medemblik, Noord-Holland, NETHERLANDS | 340km ENE | 4 years 156 days | |||||
| Sighted | 19 May 2024 | Texel (Mokbaai), Noord-Holland, NETHERLANDS | 330km ENE | 14 years 103 days |
|
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| Sighted | 17 Apr 2025 | Texel (Mokbaai), Noord-Holland, NETHERLANDS | 330km ENE | 15 years 70 days | New | ||||
Herring Gull Larus argentatus
| Ring no. | Age | Ringing date | Site | Outcome | Finding date | Location | Movement | Interval | |
|---|---|---|---|---|---|---|---|---|---|
| GV15806 | 7 | 21 Mar 2015 | Pitsea Landfill Site, Essex | Sighted | 09 Feb 2025 | Hythe, Kent | 65km SE | 9 years 325 days | |
| GV47898 | 5 | 14 Jan 2017 | Pitsea Landfill Site, Essex | Sighted | 05 Feb 2025 | Bellhouse Quarry, Stanway, Colchester, Essex | 42km NNE | 8 years 22 days | |
| GR94409 | 7 | 24 Jan 2015 | Pitsea Landfill Site, Essex | Sighted | 11 Oct 2015 | Dunkerque, Nord, FRANCE | 138km ESE | 260 days |
|
| Sighted | 25 Sep 2020 | Dunkerque, Nord, FRANCE | 138km ESE | 5 years 245 days | |||||
| Sighted | 24 Jan 2024 | Blaringhem, Nord, FRANCE | 161km SE | 9 years 0 days | |||||
| Sighted | 10 Feb 2025 | Blaringhem, Nord, FRANCE | 161km SE | 10 years 17 days | |||||
| GV55405 | 5 | 17 Jan 2018 | Pitsea Landfill Site, Essex | Sighted | 28 Jan 2023 | Clacton-on-Sea, Essex | 51km ENE | 5 years 11 days |
|
| Sighted | 13 Feb 2025 | Clacton-on-Sea, Essex | 51km ENE | 7 years 27 days | |||||
| GR30517 | 10 | 14 Jan 2012 | Pitsea Landfill Site, Essex | Sighted | 15 Jan 2014 | Dannes, Pas-de-Calais, FRANCE | 132km SE | 2 years 1 day | |
| Sighted | 02 Feb 2017 | Boulogne-sur-Mer, Pas-de-Calais, FRANCE | 116km SE | 5 years 19 days | |||||
| Sighted | 10 Feb 2017 | Wimereux, Pas-de-Calais, FRANCE | 114km SE | 5 years 27 days | |||||
| Sighted | 28 Jan 2022 | Blaringhem, Nord, FRANCE | 161km SE | 10 years 14 days |
|
||||
| Sighted | 13 Feb 2023 | Blaringhem, Nord, FRANCE | 161km SE | 11 years 30 days | |||||
| Sighted | 27 May 2023 | Fjando, Nissum Fjord, Holstebro, Region Midtjylland, DENMARK | 731km NE | 11 years 133 days | |||||
| Sighted | 29 Jan 2024 | Blaringhem, Nord, FRANCE | 161km SE | 12 years 15 days |
|
||||
| Sighted | 17 Feb 2025 | Blaringhem, Nord, FRANCE | 161km SE | 13 years 34 days | |||||
| GV47991 | 8I | 25 Feb 2017 | Pitsea Landfill Site, Essex | Sighted | 13 Apr 2018 | Whitstable, Kent | 40km ESE | 1 year 47 days | |
| Sighted | 09 Oct 2018 | Whitstable, Kent | 40km ESE | 1 year 226 days | |||||
| Sighted | 11 Oct 2018 | Seasalter, Kent | 37km SE | 1 year 228 days | |||||
| Sighted | 04 Dec 2018 | Seasalter, Kent | 37km SE | 1 year 282 days | |||||
| Sighted | 12 May 2019 | Whitstable, Kent | 40km ESE | 2 years 76 days |
|
||||
| Sighted | 26 Aug 2020 | Whitstable, Kent | 40km ESE | 3 years 183 days | |||||
| Sighted | 11 Feb 2021 | Seasalter, Kent | 37km SE | 3 years 352 days |
|
||||
| Sighted | 29 Oct 2021 | Seasalter, Kent | 37km SE | 4 years 246 days | |||||
| Sighted | 03 Nov 2021 | Whitstable, Kent | 40km ESE | 4 years 251 days | |||||
| Sighted | 26 Oct 2022 | Seasalter, Kent | 37km SE | 5 years 243 days |
|
||||
| Sighted | 05 Jan 2023 | Seasalter, Kent | 37km SE | 5 years 314 days | |||||
| Sighted | 17 Feb 2025 | Whitstable, Kent | 40km ESE | 7 years 358 days | |||||
| GR75003 | 10 | 12 Jan 2013 | Pitsea Landfill Site, Essex | Sighted | 19 Feb 2014 | Dannes, Pas-de-Calais, FRANCE | 132km SE | 1 year 38 days | |
| Sighted | 02 Jun 2016 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 3 years 142 days | |||||
| Sighted | 05 Oct 2016 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 3 years 267 days | |||||
| Sighted | 30 Sep 2017 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 4 years 261 days | |||||
| Sighted | 25 Oct 2017 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 4 years 286 days | |||||
| Sighted | 24 Sep 2018 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 5 years 255 days | |||||
| Sighted | 28 Oct 2018 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 5 years 289 days |
|
||||
| Sighted | 29 Sep 2019 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 6 years 260 days | |||||
| Sighted | 11 Oct 2019 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 272 days | |||||
| Sighted | 03 Aug 2020 | Oostende (Oosterstaketsel), West-Vlaanderen, BELGIUM | 170km E | 7 years 204 days | |||||
| Sighted | 07 Aug 2020 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 7 years 208 days | |||||
| Sighted | 18 Aug 2020 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 219 days | |||||
| Sighted | 20 Aug 2020 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 221 days | |||||
| Sighted | 30 Aug 2020 | Oostende (Oosteroever Duin en Zee), West-Vlaanderen, BELGIUM | 170km E | 7 years 231 days | |||||
| Sighted | 17 Sep 2020 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 249 days |
|
||||
| Sighted | 01 Aug 2021 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 8 years 201 days | |||||
| Sighted | 08 Aug 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 8 years 208 days | |||||
| Sighted | 29 Sep 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 8 years 260 days | |||||
| Sighted | 04 Oct 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 8 years 265 days |
|
||||
| Sighted | 23 Oct 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 8 years 284 days | |||||
| Sighted | 07 Aug 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 9 years 207 days | |||||
| Sighted | 12 Aug 2022 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 9 years 212 days | |||||
| Sighted | 12 Aug 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 9 years 212 days | |||||
| Sighted | 22 Aug 2022 | Raversijde, West-Vlaanderen, BELGIUM | 166km E | 9 years 222 days | |||||
| Sighted | 31 Aug 2022 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 9 years 231 days |
|
||||
| Sighted | 28 Sep 2022 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 9 years 259 days | |||||
| Sighted | 06 Oct 2022 | Oostende (Oosteroever Duin en Zee), West-Vlaanderen, BELGIUM | 170km E | 9 years 267 days | |||||
| Sighted | 26 Oct 2022 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 9 years 287 days | |||||
| Sighted | 02 Nov 2022 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 9 years 294 days | |||||
| Sighted | 03 Nov 2022 | De Haan (Klemskerke), West-Vlaanderen, BELGIUM | 173km E | 9 years 295 days | |||||
| Sighted | 20 Oct 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 9 years 281 days | |||||
| Sighted | 03 Sep 2023 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 10 years 234 days | |||||
| Sighted | 05 Sep 2023 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 10 years 236 days | |||||
| Sighted | 11 Sep 2023 | Oostende (Oosteroever Duin en Zee), West-Vlaanderen, BELGIUM | 170km E | 10 years 242 days | |||||
| Sighted | 27 Sep 2023 | Raversijde, West-Vlaanderen, BELGIUM | 166km E | 10 years 258 days | |||||
| Sighted | 15 Oct 2023 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 10 years 276 days | |||||
| Sighted | 17 Oct 2023 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 10 years 278 days | |||||
| Sighted | 08 Sep 2024 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 11 years 240 days | |||||
| Sighted | 29 Sep 2024 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 11 years 261 days | |||||
| Sighted | 08 Oct 2024 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 11 years 270 days | |||||
| GR94559 | 8 | 15 Nov 2014 | Pitsea Landfill Site, Essex | Sighted | 08 May 2015 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 174 days |
|
| Sighted | 05 May 2018 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 3 years 171 days | |||||
| Sighted | 30 Jul 2018 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 3 years 257 days |
|
||||
| Sighted | 20 Oct 2018 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 3 years 339 days | |||||
| Sighted | 24 Dec 2018 | Oostende (Vismijn), West-Vlaanderen, BELGIUM | 170km E | 4 years 39 days | |||||
| Sighted | 13 Jan 2019 | Oostende (Vismijn), West-Vlaanderen, BELGIUM | 170km E | 4 years 59 days | |||||
| Sighted | 15 Jan 2019 | Oostende (Oosterstaketsel), West-Vlaanderen, BELGIUM | 170km E | 4 years 61 days | |||||
| Sighted | 22 Jan 2019 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 4 years 68 days | |||||
| Sighted | 14 Aug 2019 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 4 years 272 days | |||||
| Sighted | 17 Aug 2019 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 4 years 275 days |
|
||||
| Sighted | 29 Sep 2020 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 5 years 319 days | |||||
| Sighted | 05 Oct 2020 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 5 years 325 days |
|
||||
| Sighted | 21 Aug 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 279 days | |||||
| Sighted | 08 Sep 2021 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 6 years 297 days | |||||
| Sighted | 19 Sep 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 308 days | |||||
| Sighted | 25 Sep 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 6 years 314 days | |||||
| Sighted | 27 Sep 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 316 days | |||||
| Sighted | 29 Sep 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 318 days | |||||
| Sighted | 07 Oct 2021 | Oostende (Oosteroever Duin en Zee), West-Vlaanderen, BELGIUM | 170km E | 6 years 326 days | |||||
| Sighted | 09 Oct 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 328 days | |||||
| Sighted | 10 Oct 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 6 years 329 days | |||||
| Sighted | 05 Nov 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 6 years 355 days | |||||
| Sighted | 06 Nov 2021 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 6 years 356 days | |||||
| Sighted | 11 Dec 2021 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 7 years 26 days | |||||
| Sighted | 08 Jan 2022 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 7 years 54 days | |||||
| Sighted | 28 Jan 2022 | Blaringhem, Nord, FRANCE | 161km SE | 7 years 74 days | |||||
| Sighted | 04 Jul 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 231 days | |||||
| Sighted | 07 Jul 2022 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 7 years 234 days | |||||
| Sighted | 18 Aug 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 276 days |
|
||||
| Sighted | 28 Aug 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 286 days | |||||
| Sighted | 09 Sep 2022 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 7 years 298 days | |||||
| Sighted | 11 Sep 2022 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 7 years 300 days | |||||
| Sighted | 18 Sep 2022 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 7 years 307 days | |||||
| Sighted | 27 Sep 2022 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 7 years 316 days | |||||
| Sighted | 28 Sep 2022 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 7 years 317 days | |||||
| Sighted | 02 Nov 2022 | Blaringhem, Nord, FRANCE | 161km SE | 7 years 352 days | |||||
| Sighted | 27 Aug 2023 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 8 years 285 days |
|
||||
| Sighted | 09 Oct 2023 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 8 years 328 days | |||||
| Sighted | 06 Dec 2023 | Bredene Beach, Oostend, West-Vlaanderen, BELGIUM | 172km E | 9 years 21 days | |||||
| Sighted | 19 May 2024 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 9 years 186 days |
|
||||
| Sighted | 12 Sep 2024 | Oostende Harbour, West-Vlaanderen, BELGIUM | 170km E | 9 years 302 days | |||||
| Sighted | 29 Sep 2024 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 9 years 319 days | |||||
| Sighted | 01 Dec 2024 | Oostende, West-Vlaanderen, BELGIUM | 169km E | 10 years 16 days | |||||
| GV77928 | 5 | 16 Feb 2019 | Ockendon Landfill Site, Essex | Sighted (R) | 02 Feb 2020 | Ockendon Landfill Site Essex UK | 0km | 351 days | |
| Sighted | 12 Nov 2021 | Cap Blanc Nez, Pas-de-Calais, FRANCE | 118km SE | 2 years 269 days | |||||
| Sighted | 23 Dec 2021 | Boulogne-sur-Mer (Harbour), Pas-de-Calais, FRANCE | 125km SE | 2 years 310 days | |||||
| Sighted | 28 Jun 2024 | Margate, Kent | 74km ESE | 5 years 133 days | |||||
| Sighted | 21 Feb 2025 | Margate, Kent | 74km ESE | 6 years 5 days | |||||
| GV77959 | 7 | 16 Feb 2019 | Ockendon Landfill Site, Essex | Sighted | 19 Feb 2022 | Cottenham Long Drove, Cambs | 86km N | 3 years 3 days | |
| Sighted | 17 Feb 2022 | Pugneys Country Park, Wakefield, W Yorks | 266km NNW | 3 years 1 day | |||||
| Sighted | 06 Sep 2023 | Pugneys Country Park, Wakefield, W Yorks | 266km NNW | 4 years 202 days | |||||
| Sighted | 12 Feb 2024 | Ravensthorpe Waste Plant, Dewsbury, W Yorks | 273km NNW | 4 years 361 days |
|
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| Sighted | 10 Jan 2025 | Ravensthorpe Waste Plant, Dewsbury, W Yorks | 273km NNW | 5 years 329 days | |||||
| Sighted | 14 Feb 2025 | Pugneys Country Park, Wakefield, W Yorks | 266km NNW | 5 years 364 days | |||||
| Sighted | 22 Feb 2025 | Ravensthorpe Waste Plant, Dewsbury, W Yorks | 273km NNW | 6 years 6 days | |||||
| GN87433 | 8i | 05 Mar 2010 | Pitsea Landfill Site, Essex | Found dead (not fresh) | 21 Feb 2025 | Birchington, Kent | 56km ESE | 14 years 353 days | |
| GR92768 | 3 | 28 Dec 2013 | Pitsea Landfill Site, Essex | Sighted | 01 Mar 2020 | Thorpeness, Suffolk | 104km NE | 6 years 64 days |
|
| Sighted | 04 Jan 2025 | Thorpeness, Suffolk | 104km NE | 11 years 7 days | |||||
| GV33629 | 8 | 05 Dec 2015 | Pitsea Landfill Site, Essex | Sighted | 04 Apr 2016 | Petten, Noord-Holland, NETHERLANDS | 313km ENE | 121 days | |
| Sighted | 10 Aug 2016 | Petten, Noord-Holland, NETHERLANDS | 313km ENE | 249 days | |||||
| Sighted | 14 Aug 2016 | Pettemer Zeewering, near Petten, Noord-Holland, NETHERLANDS | 313km ENE | 253 days | |||||
| Sighted | 28 Sep 2016 | Petten, Noord-Holland, NETHERLANDS | 313km ENE | 298 days | |||||
| Sighted | 21 Feb 2017 | Callantsoog, Noord-Holland, NETHERLANDS | 318km ENE | 1 year 78 days | |||||
| Sighted | 20 Jul 2017 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 1 year 227 days | |||||
| Sighted | 23 Aug 2017 | Hondsbossche Zeewering, Noord-Holland, NETHERLANDS | 310km ENE | 1 year 261 days | |||||
| Sighted | 26 Sep 2017 | Petten, Noord-Holland, NETHERLANDS | 313km ENE | 1 year 295 days | |||||
| Sighted | 11 May 2018 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 2 years 157 days |
|
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| Sighted | 24 Aug 2018 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 2 years 262 days | |||||
| Sighted | 20 Aug 2019 | Zwanenwater, Noord-Holland, NETHERLANDS | 317km ENE | 3 years 258 days | |||||
| Sighted | 13 Nov 2019 | Scheveningen, Zuid-Holland, NETHERLANDS | 263km ENE | 3 years 343 days | |||||
| Sighted | 03 Jun 2020 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 4 years 181 days | |||||
| Sighted | 30 Sep 2020 | Zwanenwater, Noord-Holland, NETHERLANDS | 317km ENE | 4 years 300 days | |||||
| Sighted | 10 Oct 2021 | Callantsoog, Noord-Holland, NETHERLANDS | 318km ENE | 5 years 309 days | |||||
| Sighted | 15 Dec 2021 | Blaringhem, Nord, FRANCE | 161km SE | 6 years 10 days | |||||
| Sighted | 28 Jan 2022 | Texel (North Sea coast), Noord-Holland, NETHERLANDS | 329km ENE | 6 years 54 days | |||||
| Sighted | 02 Feb 2022 | Amsterdam (Waterleidingduinen), Zuid-Holland, NETHERLANDS | 285km ENE | 6 years 59 days | |||||
| Sighted | 15 Feb 2022 | Petten, Noord-Holland, NETHERLANDS | 313km ENE | 6 years 72 days | |||||
| Sighted | 07 Jul 2022 | Blaringhem, Nord, FRANCE | 161km SE | 6 years 214 days |
|
||||
| Sighted | 08 Feb 2023 | Blaringhem, Nord, FRANCE | 161km SE | 7 years 65 days | |||||
| Sighted | 19 May 2023 | Callantsoog, Noord-Holland, NETHERLANDS | 318km ENE | 7 years 165 days | |||||
| Sighted | 20 May 2023 | Callantsoog, Noord-Holland, NETHERLANDS | 318km ENE | 7 years 166 days | |||||
| Sighted | 15 Jul 2023 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 7 years 222 days |
|
||||
| Sighted | 29 Sep 2023 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 7 years 298 days | |||||
| Sighted | 01 Dec 2023 | Blaringhem, Nord, FRANCE | 161km SE | 7 years 361 days | |||||
| Sighted | 11 Jan 2024 | Blaringhem, Nord, FRANCE | 161km SE | 8 years 37 days | |||||
| Sighted | 17 Jan 2024 | Katwijk, Zuid-Holland, NETHERLANDS | 275km ENE | 8 years 43 days | |||||
| Sighted | 12 Feb 2024 | Blaringhem, Nord, FRANCE | 161km SE | 8 years 69 days | |||||
| Sighted | 18 Jun 2024 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 8 years 196 days |
|
||||
| Sighted | 15 Sep 2024 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 8 years 285 days | |||||
| Sighted | 16 Sep 2024 | Zwanenwater, Noord-Holland, NETHERLANDS | 317km ENE | 8 years 286 days | |||||
| Sighted | 25 Sep 2024 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 8 years 295 days | |||||
| Sighted | 09 Oct 2024 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 8 years 309 days | |||||
| Sighted | 17 Oct 2024 | Zwanenwater, Noord-Holland, NETHERLANDS | 317km ENE | 8 years 317 days | |||||
| Sighted | 24 Oct 2024 | Camperduin, Noord-Holland, NETHERLANDS | 309km ENE | 8 years 324 days | |||||
| Sighted | 02 Nov 2024 | Zwanenwater, Noord-Holland, NETHERLANDS | 317km ENE | 8 years 333 days | |||||
| Sighted | 09 Nov 2024 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 8 years 340 days | |||||
| Sighted | 14 Nov 2024 | Zwanenwater, Noord-Holland, NETHERLANDS | 317km ENE | 8 years 345 days | |||||
| Sighted | 15 Nov 2024 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 8 years 346 days | |||||
| Sighted | 04 Dec 2024 | Blaringhem, Nord, FRANCE | 161km SE | 8 years 365 days |
|
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| Sighted | 06 Feb 2025 | Blaringhem, Nord, FRANCE | 161km SE | 9 years 63 days | |||||
| Sighted | 21 Mar 2025 | Sint Maartenszee, Noord-Holland, NETHERLANDS | 315km ENE | 9 years 106 days | |||||
| GR75574 | 3 | 05 Oct 2013 | Pitsea Landfill Site, Essex | Sighted | 29 Mar 2014 | Hythe, Kent | 65km SE | 175 days | |
| Sighted | 23 Jun 2014 | Hythe, Kent | 65km SE | 261 days | |||||
| Sighted | 09 Jun 2014 | Dungeness, Kent | 73km SSE | 247 days | |||||
| Sighted | 26 Jun 2014 | Dungeness, Kent | 73km SSE | 264 days | |||||
| Sighted | 11 May 2018 | Hythe, Kent | 65km SE | 4 years 218 days |
|
||||
| Sighted breeding | 23 Jun 2019 | Hythe, Kent | 65km SE | 5 years 261 days | |||||
| Sighted | 02 Aug 2019 | Dymchurch, Kent | 65km SSE | 5 years 301 days | |||||
| Sighted breeding | 04 Aug 2019 | Hythe, Kent | 65km SE | 5 years 303 days | |||||
| Sighted | 16 Aug 2019 | Dymchurch, Kent | 65km SSE | 5 years 315 days | |||||
| Sighted | 21 Aug 2019 | Hythe, Kent | 65km SE | 5 years 320 days |
|
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| Sighted | 19 Mar 2025 | Hythe, Kent | 65km SE | 11 years 165 days | |||||
| GR58234 | 7 | 10 Mar 2012 | Pitsea Landfill Site, Essex | Sighted | 02 Aug 2012 | Hanstholm Harbour, Nordjylland, DENMARK | 811km NE | 145 days | |
| Sighted | 09 Oct 2021 | Hanstholm Harbour, Nordjylland, DENMARK | 811km NE | 9 years 213 days | |||||
| Sighted | 14 Nov 2024 | Hanstholm, Viborg, DENMARK | 810km NE | 12 years 249 days | |||||
| GV37172 | 5 | 12 Mar 2016 | Pitsea Landfill Site, Essex | Sighted | 22 Mar 2016 | Hyde Park, Greater London | 47km W | 10 days | |
| Sighted | 29 Apr 2016 | Beddington SF, Greater London | 50km WSW | 48 days | |||||
| Sighted | 10 Dec 2020 | Bexley Tip, Crayford, Kent | 23km WSW | 4 years 273 days | |||||
| Sighted | 21 Mar 2025 | Brighton, E Sussex | 90km SSW | 9 years 9 days | |||||
| GR58594 | 3 | 13 Oct 2012 | Pitsea Landfill Site, Essex | Metal ring read | 29 Oct 2021 | IJmuiden, Velsen, Noord-Holland, NETHERLANDS | 298km ENE | 9 years 16 days | |
| GV15572 | 10 | 07 Feb 2015 | Pitsea Landfill Site, Essex | Sighted | 22 Apr 2017 | Aldeburgh, Suffolk | 100km NE | 2 years 74 days |
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| Sighted | 11 Sep 2023 | Aldeburgh, Suffolk | 100km NE | 8 years 216 days | |||||
| Sighted | 15 Oct 2023 | Burnt House Farm, Farnham, Suffolk | 96km NE | 8 years 250 days | |||||
| Sighted | 22 Oct 2023 | Aldeburgh, Suffolk | 100km NE | 8 years 257 days |
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| Sighted | 30 Mar 2025 | Aldeburgh, Suffolk | 100km NE | 10 years 51 days | |||||
| GV77940 | 7 | 16 Feb 2019 | Ockendon Landfill Site, Essex | Sighted | 01 Mar 2020 | Bexley Tip, Crayford, Kent | 11km SW | 1 year 14 days | |
| Sighted | 21 Sep 2021 | Seasalter, Kent | 49km ESE | 2 years 217 days | |||||
| Sighted | 01 May 2022 | Dover, Kent | 84km ESE | 3 years 74 days |
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| Sighted | 11 Apr 2025 | Dover, Kent | 84km ESE | 6 years 54 days | New | ||||
| GR75643 | 3 | 05 Oct 2013 | Pitsea Landfill Site, Essex | Sighted | 13 Jan 2016 | Lancing, West Sussex | 99km SW | 2 years 100 days | |
| Sighted | 17 Feb 2017 | Shoreham Airport, W Sussex | 96km SW | 3 years 135 days | |||||
| Sighted | 26 Jul 2017 | Bexley Tip, Crayford, Kent | 23km WSW | 3 years 294 days | |||||
| Sighted | 28 Jul 2017 | Bexley Tip, Crayford, Kent | 23km WSW | 3 years 296 days | |||||
| Sighted | 24 Feb 2023 | Beddington SF, Greater London | 50km WSW | 9 years 142 days | |||||
| Sighted | 19 Aug 2024 | Brighton, E Sussex | 90km SSW | 10 years 319 days | |||||
| Sighted | 12 Apr 2025 | Brighton, E Sussex | 90km SSW | 11 years 189 days | |||||
| GV47780 | 8 | 17 Dec 2016 | Pitsea Landfill Site, Essex | Sighted | 23 Aug 2020 | Southampton (Woolston Jetty), Hants | 151km WSW | 3 years 250 days | |
| Sighted | 17 Aug 2023 | Weston Shore, Southampton, Hants | 150km WSW | 6 years 243 days |
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| Sighted | 16 Apr 2025 | Weston Shore, Southampton, Hants | 150km WSW | 8 years 120 days | New | ||||
| GV15794 | 7 | 21 Mar 2015 | Pitsea Landfill Site, Essex | Sighted | 07 Jan 2016 | Southwark, Greater London | 43km W | 292 days | |
| Sighted | 08 Feb 2017 | London Bridge, Greater London | 42km W | 1 year 324 days | |||||
| Sighted | 13 Oct 2017 | Vauxhall Bridge, Gretaer London | 45km W | 2 years 206 days | |||||
| Sighted | 25 Oct 2017 | Vauxhall Bridge, Gretaer London | 45km W | 2 years 218 days | |||||
| Sighted | 23 Mar 2018 | Southwark, Greater London | 43km W | 3 years 2 days |
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| Sighted | 21 Oct 2022 | Southwark, Greater London | 43km W | 7 years 214 days | |||||
| Metal ring read | 03 Dec 2022 | Tower Bridge, Gretaer London | 42km W | 7 years 257 days | |||||
| Sighted | 23 Aug 2024 | London Bridge, Greater London | 42km W | 9 years 155 days | |||||
| Sighted | 29 Dec 2024 | Brixton, Greater London | 44km W | 9 years 283 days | |||||
| Sighted | 22 Apr 2025 | Southwark, Greater London | 43km W | 10 years 32 days | |||||
| GV77852 | 10 | 16 Feb 2019 | Ockendon Landfill Site, Essex | Sighted | 19 Apr 2025 | Dover, Kent | 84km ESE | 6 years 62 days | New |