SAFRING results
Secretarybird Sagittarius serpentarius
Ringing data entered by Dawie de Swardt (10 september 2002)
1. Numbers ringed with SAFRING rings, 1948-2001
- Total ringed: 235
- First ringed: 1949/50 ringing year
- Trapping method: Nestlings; Rehabilitated
Number of Secretarybirds ringed per year with SAFRING rings
Note that a total of 7 (average 1.75 per year) were ringed in the period 1970-73; the individual year totals are not known.
2. Computerised records, 1975-2001
- Number of records: 186
- Ring sizes used: 3 with 546-prefix, 1 with 657-prefix, 1 with 658-prefix, 117 with 16 mm, 46 with 19 mm, 18 with 26 mm rings
- Recommended ring size: 16 mm Stainless steel
- Top ringers: 29 ringers; top 5 ringers: Mr A Maritz (50), Mr JJ Herholdt (32), Dr CJ Brown (14), Mr F Taljaard (14), Ms R Visagie (13)
- Bird age distribution: Unknown (5), Nestling (142), Juvenile (3), Immature (4), Adult (27), 0-6 months (4), 1-2 years (1)
- Bird sex distribution: Unknown (167), Male (1), Female (3), Possibly male (7), Possibly female (8)
- Markings: Metal only (165), Metal plus colour rings (21)
- Condition: Good (172), Rehabilitated (12), Artificially reared (2)
- Note: the latter 2 categories may be under-represented due to incorrect recording on the schedules or data entry to computer
- Birds ringed per region:
| Locality | n |
| Northern Cape, South Africa | 121 |
| Namibia | 22 |
| Free State, South Africa | 14 |
| KwaZulu-Natal, South Africa | 8 |
| Limpopo Province, South Africa | 5 |
| Gauteng, South Africa | 4 |
| Northwest Province, South Africa | 3 |
| Zimbabwe | 2 |
| Eastern Cape, South Africa | 1 |
Map of localities where Secretarybirds have been ringed, 1975-2001
3. Biometrics and moult
Mass data (g) for Secretarybirds
| Age | n | Min | Mean | Max |
| Adult | 20 | 2800 | 4016.6 | 5000 |
Moult data
No data.
4. Recovery history (SAFRING's database)
- Number of recoveries: 10 recoveries and 1 recapture
- Greatest distance: 1537 km (918550)
- Greatest elapsed time: 3y 4m 14d (9A00066)
- Causes of mortality of ringed birds: Sick or injured (65703026, 918550, 992409), Electrocuted (906541), Hit by car (9A25022), Emaciated (9A08202), rest unknown
5. Ringing references
- Oatley, TB, Oschadleus, HD, Navarro, RA & Underhill, LG. 1998. Review of Ring Recoveries of Birds of Prey in Southern Africa: 1948-1998. Johannesburg: Endangered Wildlife Trust.
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