SAFRING results

Cape Teal Anas capensis

1. Recognition (Identification, ageing & sexing)

2. Ring totals

• Total ringed: 2699
• First ringed: 1951
• Trapping method: Nestlings, Rehabilitated birds, walk-in traps

Number of Cape Teal ringed per year with SAFRING rings

Note that a total of 1923 (average 480.75 per year) were ringed in the period 1970-73; the individual year totals are not known.

3. Ring Data (Computerised records, 1975-2002)

Note: electronic records sent by ringers were extracted; no attempt was made to computerise other records.

• Number of records: 304
• Ring sizes used: 18 with Old Prefix, 281 with 8 mm, 1 with 10 mm, 2 with 11 mm rings
• Recommended ring size: 8 mm Stainless steel
• Top ringers: 23 ringers; top 5 ringers: Dr WRJ Dean (170), Mr K Morgan (66), E Middlemiss (13), MG Palmer (9), Mr R Braby (9)
• Bird age distribution: Unknown (13), Nestling (1), Juvenile (40),Immature (22), Adult (202), 6-12 months (20)
• Bird sex distribution: Unknown (200), Male (46), Female (49), Possibly female (0)
• Markings: Metal only (199), Nasal saddle (3), Collar (1), Dyes & colour rings (92)
• Condition: Good (70), Rehabilitated (11), Artificially reared (211), Released away from capture place (3)
• Birds ringed per region:

  Locality	n
  Western Cape, South Africa	267
  Namibia	21
  Northwest Province, South Africa	3
  Eastern Cape, South Africa	1
  Gauteng, South Africa	1

Map of localities where Cape Teal have been ringed, 1975-2002

4. Biometrics and moult for Cape Teal

Mass data (g) No Data

Wing length (mm) No Data

Moult data

No Data

5. Recovery history (SAFRING's database)

• Number of recoveries: 266 recoveries and 6 recaptures
• Greatest distance: 2172 km (63505626)
• Greatest elapsed time: 10y 9m 22d (635665)
• Causes of mortality of ringed birds:
  • Killed or attacked by unknown animal 76
  • Exhausted: taken to rehabilitation centre: subsequently died 51
  • Sick or injured: botulism 40
  • Sick or injured 27
  • Shot 10
  • Killed or attacked by wild mammal 3
  • Collision: with a fence, line or wire 2
  • Starved, emaciated 2
  • Bird found in possession of Africans 1
  • Killed or attacked by domestic dog 1
  • Killed or attacked by bird of prey 1
  • Killed or attacked by owl (or ring found in pellet) 1
  • Collision with motor vehicle (or found next to road) 1
  • Collision with train (or found next to railway line) 1
  • Collision with a building 1
  • Exhausted: taken to rehabilitation centre: subsequently released 1
  • Controlled: released elsewhere, finding place stated 1

6. Ringing references

Underhill, LG, Tree, AG, Oschadleus, HD & Parker, V. 1999. Review of Ring Recoveries of Waterbirds in Southern Africa. Cape Town: Avian Demography Unit.

7. Research

None