Southern Colour Ringing Group

Black-headed Gull Chroicocephalus ridibundus recoveries

These birds ringed by the Southern Colour Ringing Group have been recovered elsewhere, or have been ringed elsewhere and re-captured or re-sighted by us. Click on a ring number to see a life history for that bird and a map of its known movements.

Ring number Age / sex Activity Date Location Movement Duration

EY99593

2LBC

 1 Ringed 26 Jun 2015 Fishers Green, Essex
Colour marks read 28 Apr 2016 Amwell Gravel Pits, Hertfordshire 9km N 0y 10m 2d ➖
Colour marks read 02 May 2018 Amwell Gravel Pits, Hertfordshire 9km N 2y 10m 6d
Colour marks read 31 May 2018 Amwell Gravel Pits, Hertfordshire 9km N 2y 11m 5d
Colour marks read 01 Jun 2018 Amwell Gravel Pits, Hertfordshire 9km N 2y 11m 6d
Colour marks read 22 Aug 2020 Amwell Gravel Pits, Hertfordshire 9km N 5y 1m 27d
Colour marks read 14 Apr 2021 Amwell Gravel Pits, Hertfordshire 9km N 5y 9m 19d
Colour marks read 28 Apr 2016
to
14 Apr 2021		 Amwell Gravel Pits, Hertfordshire 9km N 5y 9m 19d ➕
Colour marks read 04 Jul 2021 Rye Meads, Hertfordshire 7km N 6y 0m 8d ➖
Colour marks read 19 May 2022 Rye Meads, Hertfordshire 7km N 6y 10m 23d
Colour marks read 04 Jul 2021
to
19 May 2022		 Rye Meads, Hertfordshire 7km N 6y 10m 23d ➕
Colour marks read 06 Apr 2026 Amwell Gravel Pits, Hertfordshire 9km N 10y 9m 11d

EM33548

2F95

 1 Ringed 19 Jun 2025 Fishers Green, Essex
Colour marks read 11 Sep 2025 Hosehill Lake, Theale, West Berkshire 80km WSW 0y 2m 23d ➖
Colour marks read 06 Apr 2026 Hosehill Lake, Theale, West Berkshire 80km WSW 0y 9m 18d
Colour marks read 11 Sep 2025
to
06 Apr 2026		 Hosehill Lake, Theale, West Berkshire 80km WSW 0y 9m 18d ➕

EZ70430

2F41

 1 Ringed 17 May 2025 Fishers Green, Essex
Colour marks read 03 Mar 2026 Westcliff Seafront, Essex 52km ESE 0y 9m 14d
Colour marks read 01 Apr 2026 Rye Meads, Hertfordshire 7km N 0y 10m 15d
Colour marks read 05 Apr 2026 Amwell Gravel Pits, Hertfordshire 9km N 0y 10m 19d

EA55952

2C68

 6 Ringed 10 Jul 2022 Sunnymead Farm, Essex
Colour marks read 14 Dec 2022 Bexley Tip, Greater London 71km SW 0y 5m 4d
Colour marks read 14 Apr 2023 Sunnymead Farm, Essex 0km 0y 9m 4d ➖
Colour marks read 29 Apr 2023 Sunnymead Farm, Essex 0km 0y 9m 19d
Colour marks read 02 Apr 2024 Sunnymead Farm, Essex 0km 1y 8m 23d
Colour marks read 22 Apr 2024 Sunnymead Farm, Essex 0km 1y 9m 12d
Colour marks read 14 Apr 2023
to
22 Apr 2024		 Sunnymead Farm, Essex 0km 1y 9m 12d ➕
Colour marks read 12 Dec 2024 Bexley Tip, Greater London 71km SW 2y 5m 2d
Colour marks read 08 Mar 2025 Sunnymead Farm, Essex 0km 2y 7m 26d ➖
Colour marks read 10 Apr 2025 Sunnymead Farm, Essex 0km 2y 9m 0d
Colour marks read 23 Mar 2026 Sunnymead Farm, Essex 0km 3y 8m 13d
Colour marks read 08 Mar 2025
to
23 Mar 2026		 Sunnymead Farm, Essex 0km 3y 8m 13d ➕

EM38391

2F06

 6 Ringed 01 Feb 2023 Southend Seafront, Essex
Colour marks read 12 Mar 2023 Zoetermeer, The Netherlands, Netherlands 268km ENE 0y 1m 11d ➖
Colour marks read 13 Mar 2023 Zoetermeer, The Netherlands, Netherlands 268km ENE 0y 1m 12d
Colour marks read 17 Mar 2023 Zoetermeer, The Netherlands, Netherlands 268km ENE 0y 1m 16d
Colour marks read 12 Mar 2023
to
17 Mar 2023		 Zoetermeer, The Netherlands, Netherlands 268km ENE 0y 1m 16d ➕
Colour marks read 08 Apr 2023 Leidschendam, The Netherlands, Netherlands 264km ENE 0y 2m 7d
Colour marks read 06 Mar 2024 Zoetermeer, Benthuizerplas, The Netherlands, Netherlands 268km ENE 1y 1m 5d
Colour marks read 07 Mar 2025 Zoetermeer, The Netherlands, Netherlands 268km ENE 2y 1m 6d
Colour marks read 15 Mar 2026 Zoetermeer, Benthuizerplas, The Netherlands, Netherlands 268km ENE 3y 1m 14d

EA83127

2D84

 4 Ringed 27 Nov 2023 Castle Park, Essex
Colour marks read 28 Nov 2023 Castle Park, Essex 0km 0y 0m 1d
Colour marks read 11 Aug 2024 Viborg, Denmark, Denmark 749km NE 0y 8m 15d
Colour marks read 22 Nov 2024 Castle Park, Essex 0km 0y 11m 26d ➖
Colour marks read 19 Dec 2025 Castle Park, Essex 0km 2y 0m 22d
Colour marks read 22 Nov 2024
to
19 Dec 2025		 Castle Park, Essex 0km 2y 0m 22d ➕
Colour marks read 12 Mar 2026 Riverside Lake Colchester, Essex 0km ENE 2y 3m 13d

EM48411

2N08

 6 Ringed 14 Feb 2025 Southchurch Hall Park, Essex
Colour marks read 03 Mar 2026 Southend Seafront, Essex 0km WSW 1y 0m 17d

EZ58360

2A65

 1 Ringed 04 Jul 2017 Fishers Green, Essex
Colour marks read 05 Apr 2019 London Wetland Centre, Barnes, Greater London 30km SW 1y 9m 1d ➖
Colour marks read 14 Mar 2020 London Wetland Centre, Barnes, Greater London 30km SW 2y 8m 10d
Colour marks read 15 Mar 2020 London Wetland Centre, Barnes, Greater London 30km SW 2y 8m 11d
Colour marks read 07 Mar 2021 London Wetland Centre, Barnes, Greater London 30km SW 3y 8m 3d
Colour marks read 27 Mar 2022 London Wetland Centre, Barnes, Greater London 30km SW 4y 8m 23d
Colour marks read 10 Apr 2022 London Wetland Centre, Barnes, Greater London 30km SW 4y 9m 6d
Colour marks read 05 Apr 2019
to
10 Apr 2022		 London Wetland Centre, Barnes, Greater London 30km SW 4y 9m 6d ➕
Colour marks read 05 Jul 2022 Broom GP, Bedfordshire 44km NNW 5y 0m 1d ➖
Colour marks read 11 Mar 2025 Broom GP, Bedfordshire 44km NNW 7y 8m 7d
Colour marks read 28 Feb 2026 Broom GP, Bedfordshire 44km NNW 8y 7m 24d
Colour marks read 05 Jul 2022
to
28 Feb 2026		 Broom GP, Bedfordshire 44km NNW 8y 7m 24d ➕

EM38398

2F12

 6 Ringed 07 Feb 2023 Westcliff Seafront, Essex
Colour marks read 10 Feb 2023 Serpentine Hyde Park, Greater London 54km W 0y 0m 3d ➖
Colour marks read 01 Mar 2023 Serpentine Hyde Park, Greater London 54km W 0y 0m 22d
Colour marks read 18 Oct 2023 Serpentine Hyde Park, Greater London 54km W 0y 8m 11d
Colour marks read 10 Feb 2023
to
18 Oct 2023		 Serpentine Hyde Park, Greater London 54km W 0y 8m 11d ➕
Colour marks read 19 Oct 2023 Regents Park, Greater London 53km W 0y 8m 12d
Colour marks read 08 Nov 2023 Serpentine Hyde Park, Greater London 54km W 0y 9m 1d ➖
Colour marks read 17 Nov 2023 Serpentine Hyde Park, Greater London 54km W 0y 9m 10d
Colour marks read 20 Nov 2023 Serpentine Hyde Park, Greater London 54km W 0y 9m 13d
Colour marks read 26 Nov 2023 Serpentine Hyde Park, Greater London 54km W 0y 9m 19d
Colour marks read 30 Jan 2024 Serpentine Hyde Park, Greater London 54km W 0y 11m 23d
Colour marks read 08 Nov 2023
to
30 Jan 2024		 Serpentine Hyde Park, Greater London 54km W 0y 11m 23d ➕
Colour marks read 16 Feb 2024 Regents Park, Greater London 53km W 1y 0m 9d
Colour marks read 05 Nov 2024 Serpentine Hyde Park, Greater London 54km W 1y 8m 29d ➖
Colour marks read 27 Nov 2024 Serpentine Hyde Park, Greater London 54km W 1y 9m 20d
Colour marks read 11 Dec 2024 Serpentine Hyde Park, Greater London 54km W 1y 10m 4d
Colour marks read 19 Dec 2024 Serpentine Hyde Park, Greater London 54km W 1y 10m 12d
Colour marks read 20 Dec 2024 Serpentine Hyde Park, Greater London 54km W 1y 10m 13d
Colour marks read 04 Jan 2025 Serpentine Hyde Park, Greater London 54km W 1y 10m 28d
Colour marks read 20 Jan 2025 Serpentine Hyde Park, Greater London 54km W 1y 11m 13d
Colour marks read 05 Nov 2024
to
20 Jan 2025		 Serpentine Hyde Park, Greater London 54km W 1y 11m 13d ➕
Colour marks read 26 Feb 2025 Southchurch Hall Park, Essex 8km ENE 2y 0m 19d
Colour marks read 26 Nov 2025 Serpentine Hyde Park, Greater London 54km W 2y 9m 19d ➖
Colour marks read 11 Feb 2026 Serpentine Hyde Park, Greater London 54km W 3y 0m 4d
Colour marks read 23 Feb 2026 Serpentine Hyde Park, Greater London 54km W 3y 0m 16d
Colour marks read 26 Nov 2025
to
23 Feb 2026		 Serpentine Hyde Park, Greater London 54km W 3y 0m 16d ➕

EM38379

2N02

 6 Ringed 01 Feb 2024 Southend Seafront, Essex
Colour marks read 19 Dec 2024 Beddington, Greater London 62km WSW 0y 10m 18d ➖
Colour marks read 01 Jan 2026 Beddington, Greater London 62km WSW 1y 11m 0d
Colour marks read 11 Feb 2026 Beddington, Greater London 62km WSW 2y 0m 10d
Colour marks read 18 Feb 2026 Beddington, Greater London 62km WSW 2y 0m 17d
Colour marks read 23 Feb 2026 Beddington, Greater London 62km WSW 2y 0m 22d
Colour marks read 19 Dec 2024
to
23 Feb 2026		 Beddington, Greater London 62km WSW 2y 0m 22d ➕

Map of recoveries

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