Duck, White-faced Whistling
Dendrocygna viduata
Ringed: 1867 | Retrapped: 69 | Recovered: 72
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
| 641 | Mr C Crawford | 299 |
| 1060 | Dr PB Taylor | 208 |
| 623 | Mr J Meyer | 159 |
| 612 | Dr RM Harwin | 148 |
| 638 | Mr W Rutledge | 98 |
| 1542 | D Cox | 94 |
| 632 | Mr I Stephens | 91 |
| 1417 | Dr M Ndlovu | 71 |
| 17651 | J Gula | 58 |
| 22 | Dr P le S Milstein | 50 |
Top 10 retrappers
| 1060 | Dr PB Taylor | 23 |
| 1417 | Dr M Ndlovu | 15 |
| 0 | Member of the public | 13 |
| 636 | Mr Harland | 11 |
| 1601 | Mr E Muller | 3 |
| 1315 | Mr N Chiweshe | 2 |
| 325 | CROW (Mrs I Meller) | 1 |
| 11781 | Mr P Hamming | 1 |
10 Latest ringing records
| SAFRING | 7A08802 | 2025-08-05 | 2548S2809E |
| SAFRING | K37773 | 2025-07-31 | 1803S3053E |
| SAFRING | 7A12961 | 2025-06-04 | 1441S2237E |
| SAFRING | 7A12962 | 2025-06-04 | 1441S2237E |
| SAFRING | 7A12955 | 2025-05-31 | 1436S2239E |
| SAFRING | 7A12953 | 2025-05-31 | 1436S2239E |
| SAFRING | 7A12950 | 2025-05-31 | 1436S2239E |
| SAFRING | 7A12954 | 2025-05-31 | 1436S2239E |
| SAFRING | 7A05566 | 2025-04-01 | 2559S2804E |
| SAFRING | 7A05567 | 2025-04-01 | 2559S2804E |
10 Latest retraps/recoveries
| SAFRING | 7A11407 | 2023-04-09 | 2024-03-15 | 2 | 0y 11m 11d |
| SAFRING | K41531 | 2017-06-22 | 2017-06-23 | 2 | 0y 0m 1d |
| SAFRING | K41533 | 2017-06-22 | 2017-06-23 | 2 | 0y 0m 1d |
| SAFRING | PM00801 | 2012-03-02 | 2015-04-15 | 2 | 3y 1m 29d |
| SAFRING | K21587 | 2009-09-05 | 2013-11-15 | 2 | 4y 2m 2d |
| SAFRING | 7A03702 | 2012-06-01 | 2012-08-09 | 2 | 0y 2m 9d |
| SAFRING | 7A03709 | 2012-06-01 | 2012-07-21 | 2 | 0y 1m 20d |
| SAFRING | 799194 | 2008-06-15 | 2012-06-15 | X | 4y 0m 21d |
| SAFRING | 794905 | 2011-05-15 | 2011-11-27 | X | 0y 6m 16d |
| SAFRING | 779706 | 2006-10-22 | 2010-09-12 | 2 | 3y 10m 11d |
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 | K05726 | 1982-10-24 | 1988-05-11 | 2 | 5y 6m 16d |
| SAFRING | 779694 | 2002-03-09 | 2006-10-22 | 2 | 4y 7m 8d |
| SAFRING | K21587 | 2009-09-05 | 2013-11-15 | 2 | 4y 2m 2d |
| SAFRING | 779706 | 2006-10-22 | 2010-09-12 | 2 | 3y 10m 11d |
| SAFRING | PM00801 | 2012-03-02 | 2015-04-15 | 2 | 3y 1m 29d |
| SAFRING | 779694 | 2002-03-09 | 2004-01-01 | 2 | 1y 9m 3d |
| SAFRING | 704886 | 1982-03-13 | 1983-12-20 | 2 | 1y 9m 17d |
| SAFRING | 704894 | 1982-03-27 | 1983-12-20 | 2 | 1y 8m 3d |
| SAFRING | 704900 | 1982-03-27 | 1983-12-20 | 2 | 1y 8m 3d |
| SAFRING | K05748 | 1982-07-18 | 1984-03-20 | 2 | 1y 8m 11d |
Long distance records
| Scheme | Ring # | Duration | Distance (Km) |
|---|---|---|---|
| SAFRING | 704894 | 1y 8m 3d | 761 |
| SAFRING | 704886 | 1y 9m 17d | 761 |
| SAFRING | 704910 | 1y 0m 14d | 760 |
| SAFRING | 704900 | 1y 8m 3d | 760 |
| SAFRING | PM00801 | 3y 1m 29d | 669 |
| SAFRING | K04593 | 1y 9m 4d | 610 |
| SAFRING | 704526 | 1y 6m 18d | 463 |
| SAFRING | 64603990 | 0y 7m 20d | 424 |
| SAFRING | 712134 | 0y 10m 10d | 419 |
| SAFRING | 768047 | 2y 3m 18d | 403 |