Tern, Sandwich
Thalasseus sandvicensis
Ringed: 1084 | Retrapped: 101 | Recovered: 46
AFRING
Annual ringing activity
Biometrics
Distribution of ringing records
 |
Ringing records |  |
Retraps and resightings |  |
Ring recovery records |
| ABAP distribution | 0% | 100% | |||
Top 10 ringers
| 961 | British Trust for Ornithology (BTO) | 500 |
| 1453 | Mr H Defourny | 393 |
| 986 | Arnhem Scheme, Netherlands | 295 |
| 572 | Mr M Boorman | 272 |
| 280 | Mr A Tree | 181 |
| 967 | Helgoland/Wilhelmshaven Scheme, Germany | 137 |
| 963 | Copenhagen Scheme, Denmark | 99 |
| 556 | Skeleton Coast | 71 |
| 269 | MR G Scholtz | 40 |
| 973 | Gdansk/Varsovia Scheme, Poland | 32 |
Top 10 retrappers
| 572 | Mr M Boorman | 1537 |
| 986 | Arnhem Scheme, Netherlands | 1024 |
| 961 | British Trust for Ornithology (BTO) | 776 |
| 963 | Copenhagen Scheme, Denmark | 129 |
| 966 | Paris Scheme, France, Olivier | 124 |
| 19584 | Mr T Kruger | 119 |
| 0 | Member of the public | 118 |
| 967 | Helgoland/Wilhelmshaven Scheme, Germany | 105 |
| 1453 | Mr H Defourny | 72 |
| 280 | Mr A Tree | 36 |
10 Latest ringing records
| SAFRING | 4H98277 | 2025-04-02 | 1552N1631W |
| SAFRING | 4H98053 | 2025-03-31 | 1552N1631W |
| SAFRING | 4H94831 | 2025-03-30 | 1552N1631W |
| SAFRING | 4H94291 | 2025-03-22 | 1552N1631W |
| SAFRING | 4H94250 | 2025-03-22 | 1552N1631W |
| FOREIGN_GBT | DN21494 | 2024-08-06 | 5600N0330W |
| FOREIGN_PLG | PL3706 | 2024-07-24 | 5423N1843E |
| FOREIGN_PLG | PL3582 | 2024-07-24 | 5423N1843E |
| FOREIGN_ESI | J006816 | 2024-07-09 | 5507N1325E |
| FOREIGN_ESI | J006610 | 2024-07-09 | 4033N0040E |
10 Latest retraps/recoveries
| FOREIGN_GBT | DT74805 | 2024-06-19 | 2025-04-13 | 4 | 0y 9m 28d |
| FOREIGN_DKC | V11839 | 2023-08-15 | 2025-04-13 | 4 | 1y 7m 7d |
| FOREIGN_GBT | DE67618 | 2024-06-19 | 2025-04-13 | 4 | 0y 9m 28d |
| FOREIGN_DKC | V12005 | 2023-06-19 | 2025-04-13 | 4 | 1y 9m 4d |
| FOREIGN_GBT | DT04936 | 2022-06-12 | 2025-04-12 | 4 | 2y 10m 15d |
| FOREIGN_GBT | DT74852 | 2024-06-19 | 2025-04-12 | 4 | 0y 9m 27d |
| FOREIGN_PLG | PL3438 | 2024-06-29 | 2025-04-11 | 4 | 0y 9m 16d |
| FOREIGN_DEH | 6422913 | 2024-06-22 | 2025-04-11 | 4 | 0y 9m 23d |
| FOREIGN_GBT | DT74807 | 2024-06-19 | 2025-04-10 | 4 | 0y 9m 25d |
| FOREIGN_DEH | 6422894 | 2024-06-22 | 2025-04-10 | 4 | 0y 9m 22d |
10 Greatest longevity retraps
Note: recovery (X) records are not included in this list as we are not always sure of the actual date of death.
| FOREIGN | 6091917 | 1988-05-28 | 2010-09-09 | 2 | 22y 3m 9d |
| FOREIGN_DKC | 7088110 | 1989-06-16 | 2011-05-10 | 4 | 21y 10m 18d |
| SAFRING | 470322 | 1991-03-21 | 2010-04-14 | 2 | 19y 0m 4d |
| SAFRING | 4H16792 | 2000-09-04 | 2019-07-21 | 2 | 18y 10m 24d |
| SAFRING | 4H16792 | 2000-09-04 | 2019-07-19 | 4 | 18y 10m 22d |
| FOREIGN_DKC | 7088110 | 1989-06-16 | 2007-12-12 | 2 | 18y 5m 3d |
| FOREIGN_NLA | 1299718 | 1992-06-13 | 2010-09-08 | 2 | 18y 2m 1d |
| FOREIGN | 7133328 | 1999-06-08 | 2017-07-07 | 4 | 18y 0m 4d |
| FOREIGN | 7133328 | 1999-06-08 | 2017-07-04 | 4 | 18y 0m 1d |
| FOREIGN_DKC | 7088110 | 1989-06-16 | 2007-06-21 | 4 | 18y 0m 9d |
Long distance records
| Scheme | Ring # | Duration | Distance (Km) |
|---|---|---|---|
| FOREIGN | DK22628 | 11y 7m 29d | 10510 |
| FOREIGN | XS15271 | 7y 4m 19d | 10466 |
| FOREIGN | XS15430 | 18y 5m 3d | 10433 |
| FOREIGN_GBT | DT07012 | 0y 5m 14d | 10431 |
| FOREIGN | DS78542 | 15y 4m 28d | 10430 |
| FOREIGN_GBT | DT64922 | 1y 7m 1d | 10429 |
| FOREIGN_GBT | DE65688 | 7y 8m 3d | 10429 |
| FOREIGN | DT02729 | 2y 7m 4d | 10423 |
| FOREIGN_GBT | DE44413 | 10y 7m 6d | 10414 |
| FOREIGN_GBT | DT39387 | 3y 4m 13d | 10411 |
