Gull, Grey-headed
Chroicocephalus cirrocephalus
Ringed: 4106 | Retrapped: 23 | Recovered: 137
AFRING
Annual ringing activity
Biometrics
Distribution of ringing records
 |
Ringing records |  |
Retraps and resightings |  |
Ring recovery records |
| ABAP distribution | 0% | 100% | |||
Top 10 ringers
| 106 | Mr C Hunter | 1528 |
| 274 | Mr A Schultz | 489 |
| 286 | Dr P Martin | 311 |
| 331 | Prof D Cyrus | 290 |
| 1293 | MR A McINNES | 250 |
| 1387 | Mr D Brensing | 244 |
| 701 | Mr S van der Merwe | 225 |
| 1118 | Mr J Veen | 155 |
| 1340 | C Williams | 120 |
| 162 | Mr J Raijmakers | 107 |
Top 10 retrappers
| 0 | Member of the public | 35 |
| 988 | Bruxelles Scheme, Belgium | 2 |
| 162 | Mr J Raijmakers | 2 |
| 1073 | Mr D Forbes | 1 |
| 1096 | Mr M Wilson | 1 |
| 1229 | J Wakelin | 1 |
| 4 | HP Mendelsohn | 1 |
| 286 | Dr P Martin | 1 |
| 1250 | Robyn Greyling | 1 |
| 274 | Mr A Schultz | 1 |
10 Latest ringing records
| SAFRING | PA25057 | 2025-09-27 | 2655S2727E |
| SAFRING | PA25055 | 2025-09-27 | 2655S2727E |
| SAFRING | PA25058 | 2025-09-27 | 2655S2727E |
| SAFRING | PA25056 | 2025-09-27 | 2655S2727E |
| SAFRING | PA25053 | 2025-09-27 | 2655S2727E |
| SAFRING | PA25054 | 2025-09-27 | 2655S2727E |
| SAFRING | 5H65269 | 2025-08-05 | 2548S2809E |
| SAFRING | 5H65262 | 2025-08-05 | 2548S2809E |
| SAFRING | 5H65264 | 2025-08-05 | 2548S2809E |
| SAFRING | 5H65267 | 2025-08-05 | 2548S2809E |
10 Latest retraps/recoveries
| SAFRING | PA10827 | 2009-09-20 | 2011-05-30 | 2 | 1y 8m 17d |
| SAFRING | 5H34790 | 2005-07-12 | 2007-05-29 | X | 1y 10m 26d |
| SAFRING | 5H35982 | 2004-05-18 | 2006-07-13 | 2 | 2y 1m 6d |
| SAFRING | 5H35903 | 2004-05-17 | 2006-01-25 | 2 | 1y 8m 18d |
| SAFRING | 5H35803 | 2004-05-19 | 2005-08-14 | X | 1y 2m 2d |
| SAFRING | 5H34642 | 2004-09-03 | 2005-07-12 | X | 0y 10m 12d |
| SAFRING | 5H34522 | 2004-07-11 | 2005-07-12 | X | 1y 0m 6d |
| SAFRING | 5H06379 | 2003-07-11 | 2005-07-12 | X | 2y 0m 12d |
| SAFRING | 5H34607 | 2004-09-03 | 2005-07-06 | X | 0y 10m 6d |
| SAFRING | 5H27032 | 2001-05-31 | 2005-02-24 | 2 | 3y 8m 15d |
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.
| SAFRING | 583006 | 1987-07-30 | 2003-08-10 | 2 | 16y 0m 5d |
| SAFRING | 529026 | 1988-09-05 | 2004-07-11 | 3 | 15y 10m 28d |
| SAFRING | 524490 | 1973-05-06 | 1988-08-27 | 2 | 15y 3m 12d |
| SAFRING | 583137 | 1988-06-16 | 1996-06-18 | 2 | 8y 0m 14d |
| SAFRING | 583199 | 1988-07-03 | 1996-06-18 | 2 | 7y 11m 27d |
| SAFRING | 63407340 | 1970-04-25 | 1976-03-08 | 2 | 5y 10m 14d |
| SAFRING | 63509362 | 1964-01-20 | 1969-10-08 | 2 | 5y 8m 18d |
| SAFRING | 583287 | 1996-06-28 | 2001-05-11 | 2 | 4y 10m 8d |
| SAFRING | 583071 | 1987-08-01 | 1991-07-10 | 2 | 3y 11m 29d |
| SAFRING | 5H27032 | 2001-05-31 | 2005-02-24 | 2 | 3y 8m 15d |
Long distance records
| Scheme | Ring # | Duration | Distance (Km) |
|---|---|---|---|
| SAFRING | 63412094 | 4y 0m 16d | 2178 |
| SAFRING | 63412152 | 1y 1m 18d | 1327 |
| SAFRING | 63400836 | 0y 2m 5d | 1308 |
| SAFRING | 63400826 | 1y 7m 26d | 1270 |
| SAFRING | 63500025 | 0y 3m 0d | 1221 |
| SAFRING | 63500321 | 4y 9m 29d | 1127 |
| SAFRING | 505643 | 1y 2m 26d | 903 |
| SAFRING | 63500169 | 0y 3m 10d | 853 |
| SAFRING | 63407568 | 2y 2m 28d | 785 |
| SAFRING | 5H34645 | 0y 4m 4d | 683 |