SAFRING results

African Hawk Eagle Hieraaetus spilogaster

1. Numbers ringed with SAFRING rings, 1948-2001

• Total ringed: 244
• First ringed: 1949/50 ringing year
• Trapping method: Bal-chatri, Nestlings, Rehabilitatees

Number of African Hawk Eagles ringed per year with SAFRING rings

Note that a total of 31 (average 7.75 per year) were ringed in the period 1970-73; the individual year totals are not known.

2. Computerised records, 1975-2001

• Number of records: 179
• Ring sizes used: 2 with 12.5 mm, 140 with 16 mm, 9 with 19 mm, 11 with 526 prefix, 15 with 546 prefix, 1 with 657 prefix, 1 with 658 prefix rings
• Recommended ring size: 16 mm Stainless steel
• Top ringers: 42 ringers; top 5 ringers: Dr CJ Brown (23), Dr HC Biggs (20), Mr JE Robson (17), Mr F Tuer (14), Dr HP Mendelsohn (11)
• Bird age distribution: Unknown (3), Nestling (39), Juvenile (10), Immature (22), Adult (88), 0-6 months (3), 6-12 months (4), 1-2 years (4), 2-3 years (4), 3+ years (2)
• Bird sex distribution: Unknown (87), Male (33), Female (27), Possibly male (18), Possibly female (14)
• Markings: Metal only (156), Metal plus colour rings (19), Wing tag (4)
• Condition: Good (162), Rehabilitated (7), Artificially reared (5), Released away from capture locality (5)
• Note: the latter 3 categories may be under-represented due to incorrect recording on the schedules or data entry to computer

• Birds ringed per region:

  Locality	n
  Namibia	76
  Limpopo Province, South Africa	49
  Zimbabwe	26
  Mpumulanga, South Africa	7
  Northwest Province, South Africa	5
  Gauteng, South Africa	3
  Northern Cape, South Africa	3
  Botswana	2
  KwaZulu-Natal, South Africa	1

Map of localities where African Hawk Eagles have been ringed, 1975-2001

3. Biometrics and moult

Mass data (g) for African Hawk Eagles

Age	n	Min	Mean	Max
Adult male	10	1229	1318.3	1450
Adult female	10	1480	1630.6	1800

Wing length (mm) for African Hawk Eagles

Age	n	Min	Mean	Max
Adult male	3	429	437.3	443
Adult female	5	430	452.2	474

Moult data

No data.

4. Recovery history (SAFRING's database)

• Number of recoveries: 10 recoveries
• Greatest distance: 795 km (65802325)
• Greatest elapsed time: 22y 9m 21d (54612171)
• Causes of mortality of ringed birds: Drowned (3), Shot (1), 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.