Tern, Caspian
Hydroprogne caspia
Ringed: 737 | Retrapped: 7 | Recovered: 21
SAFRING
Annual ringing activity
Biometrics
Distribution of ringing records
 |
Ringing records |  |
Retraps and resightings |  |
Ring recovery records |
| ABAP distribution Full protocol Reporting Rate | 0% | 100% | |||
| ABAP distribution records other | Adhoc protocol and pentads with less than 4 cards | ||||
Top 10 ringers
| 1118 | Mr J Veen | 330 |
| 286 | Dr P Martin | 193 |
| 331 | Prof D Cyrus | 58 |
| 1340 | C Williams | 47 |
| 1043 | V Ward and SMiller | 31 |
| 269 | MR G Scholtz | 31 |
| 1334 | Mrs R Pretorius | 9 |
| 572 | Mr M Boorman | 8 |
| 1341 | Mrs N Williams | 7 |
| 1453 | Mr H Defourny | 3 |
Top 10 retrappers
| 0 | Member of the public | 12 |
| 280 | Mr A Tree | 3 |
| 222 | 1 | |
| 1091 | Dr P Whittington | 1 |
| 286 | Dr P Martin | 1 |
| 285 | Dr DJ Hartley | 1 |
10 Latest ringing records
| SAFRING | 6H09426 | 2025-04-02 | 1552N1631W |
| SAFRING | 6H09423 | 2025-03-30 | 1552N1631W |
| SAFRING | 6H09416 | 2024-04-05 | 1555N1630W |
| SAFRING | 6H07402 | 2020-11-25 | 3352S1829E |
| SAFRING | 6H11276 | 2020-01-31 | 1322N1647W |
| SAFRING | 671575 | 2018-12-10 | 3350S2534E |
| SAFRING | 671574 | 2018-12-10 | 3350S2534E |
| SAFRING | 5H61529 | 2017-05-08 | 3348S1822E |
| SAFRING | K24505 | 2016-12-05 | 3401S2323E |
| SAFRING | 671554 | 2016-06-06 | 3349S2532E |
10 Latest retraps/recoveries
| SAFRING | 661669 | 1993-05-18 | 2018-10-03 | X | 25y 4m 29d |
| SAFRING | 5H61529 | 2017-05-08 | 2017-05-10 | 2 | 0y 0m 2d |
| SAFRING | 677128 | 2004-11-29 | 2014-09-01 | 2 | 9y 9m 23d |
| SAFRING | 621641 | 2000-11-16 | 2011-08-10 | X | 10y 8m 19d |
| SAFRING | 659641 | 1990-04-26 | 2007-09-02 | 2 | 17y 4m 8d |
| SAFRING | 671313 | 1996-06-22 | 2005-06-23 | X | 9y 0m 18d |
| SAFRING | 659632 | 1990-03-12 | 2002-06-09 | X | 12y 2m 2d |
| SAFRING | 661753 | 1993-06-05 | 1999-06-21 | X | 6y 0m 17d |
| SAFRING | 671301 | 1996-03-08 | 1999-01-23 | X | 2y 10m 1d |
| SAFRING | 656246 | 1988-05-15 | 1997-05-08 | X | 8y 11m 10d |
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 | 659641 | 1990-04-26 | 2007-09-02 | 2 | 17y 4m 8d |
| SAFRING | 677128 | 2004-11-29 | 2007-02-22 | 2 | 2y 2m 5d |
| SAFRING | 677128 | 2004-11-29 | 2007-01-26 | 2 | 2y 1m 8d |
| SAFRING | 677128 | 2004-11-29 | 2006-08-10 | 2 | 1y 8m 19d |
| SAFRING | 601560 | 1973-10-24 | 1974-02-24 | 2 | 0y 4m 3d |
| SAFRING | 677128 | 2004-11-29 | 2005-03-29 | 2 | 0y 4m 0d |
| SAFRING | 5H61529 | 2017-05-08 | 2017-05-10 | 2 | 0y 0m 2d |
Long distance records
| Scheme | Ring # | Duration | Distance (Km) |
|---|---|---|---|
| SAFRING | 663048 | 0y 9m 12d | 1099 |
| SAFRING | 659641 | 17y 4m 8d | 781 |
| SAFRING | 677128 | 9y 9m 23d | 649 |
| SAFRING | 661809 | 0y 4m 8d | 384 |
| SAFRING | 661819 | 0y 2m 22d | 229 |
| SAFRING | 671313 | 9y 0m 18d | 154 |
| SAFRING | 659632 | 12y 2m 2d | 51 |
| SAFRING | 661669 | 25y 4m 29d | 51 |
| SAFRING | 661556 | 0y 1m 18d | 25 |
| SAFRING | 601560 | 0y 6m 21d | 17 |