Night Heron, Black-crowned
Nycticorax nycticorax
Ringed: 527 | Retrapped: 1 | Recovered: 40
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
| 106 | Mr C Hunter | 253 |
| 626 | Mr R Moore | 47 |
| 840 | Mr D Gibbs | 32 |
| 1477 | Gabriel Shatumbu | 31 |
| 707 | (Middlemiss) | 24 |
| 751 | Dr D Harebottle | 19 |
| 101 | Mr T Archibald | 5 |
| 200 | Steyn, P + Brooks, J | 5 |
| 701 | Mr S van der Merwe | 4 |
| 801 | MG Palmer | 4 |
Top 10 retrappers
| 0 | Member of the public | 2 |
10 Latest ringing records
| SAFRING | 7A12952 | 2025-05-26 | 1517S2258E |
| SAFRING | 6H03461 | 2018-03-25 | 1429N1705W |
| SAFRING | 6H02954 | 2018-01-24 | 3347S1822E |
| SAFRING | 6H02955 | 2018-01-24 | 3347S1822E |
| SAFRING | K34671 | 2015-12-18 | 2613S2829E |
| SAFRING | K13892 | 2014-12-27 | 3403S1829E |
| SAFRING | K13891 | 2014-12-27 | 3403S1829E |
| SAFRING | K36621 | 2014-12-24 | 3403S1829E |
| SAFRING | K36630 | 2014-12-24 | 3403S1829E |
| SAFRING | 678733 | 2014-02-25 | 2947S3047E |
10 Latest retraps/recoveries
| SAFRING | 791746 | 2003-11-06 | 2003-11-11 | X | 0y 0m 5d |
| SAFRING | 791796 | 2001-12-27 | 2003-02-22 | X | 1y 1m 2d |
| SAFRING | 52503787 | 1969-11-03 | 1977-10-22 | X | 7y 11m 0d |
| SAFRING | 729541 | 1972-10-07 | 1973-09-20 | X | 0y 11m 18d |
| SAFRING | 729555 | 1972-10-21 | 1973-08-19 | X | 0y 9m 2d |
| SAFRING | 710557 | 1971-11-07 | 1972-10-02 | X | 0y 10m 0d |
| SAFRING | 52503826 | 1969-10-28 | 1971-08-17 | X | 1y 9m 28d |
| SAFRING | 612870 | 1971-02-23 | 1971-03-24 | 2 | 0y 1m 29d |
| SAFRING | 63506083 | 1966-01-14 | 1966-03-09 | X | 0y 1m 24d |
| SAFRING | 54304461 | 1955-11-17 | 1966-02-22 | X | 10y 3m 0d |
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 | 612870 | 1971-02-23 | 1971-03-24 | 2 | 0y 1m 29d |
Long distance records
| Scheme | Ring # | Duration | Distance (Km) |
|---|---|---|---|
| SAFRING | 729541 | 0y 11m 18d | 1954 |
| SAFRING | 52402718 | 0y 2m 27d | 1697 |
| SAFRING | 52503787 | 7y 11m 0d | 771 |
| SAFRING | 54304468 | 2y 10m 13d | 768 |
| SAFRING | 710557 | 0y 10m 0d | 393 |
| SAFRING | 54304457 | 0y 0m 14d | 129 |
| SAFRING | 52400899 | 10y 9m 1d | 105 |
| SAFRING | 55501470 | 0y 0m 16d | 97 |
| SAFRING | D00270 | 8y 1m 8d | 70 |
| SAFRING | 52500196 | 1y 11m 8d | 43 |