Avian Demography Unit
Department of Statistical Sciences
University of Cape Town
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SAFRING results

Cape Siskin Pseudochloroptila totta

Ringing data entered by Vincent Ward (5 February 2003)

V. Ward

Adult male Cape Siskin

1. Numbers ringed with SAFRING rings, 1948-2001

  • Total ringed: 205
  • First ringed: 1974/75 ringing year
  • Trapping method: Mistnet, nestlings

Number of ACape Siskins ringed per year with SAFRING rings

2. Computerised records, 1975-2001

  • Number of records: 203
  • Ring sizes used: 97 with 1.8 mm, 137 with 2.3 mm
  • Recommended ring size: 2.3 mm Aluminium alloy
  • Top ringers: 19 ringers; top 5 ringers: Prof LG Underhill (57), Mr V Ward (33), Mr HD Oschadleus (31), Mr JJ Claassen (18), Mr M & L Fraser (18)
  • Bird age distribution: Unknown (16), Nestling (2), Juvenile (8), Immature (5), Adult (171), 6-12 months (1)
  • Bird sex distribution: Unknown (70), Male (64), Female (52), Possibly male (7), Possibly female (10)
  • Markings: Metal only (199), Metal plus colour rings (4)
  • Condition: Good (203)
  • Birds ringed per region:
    Localityn
    Western Cape, South Africa201
    Eastern Cape, South Africa1
    Northern Cape, South Africa1

Map of localities where Cape Siskins have been ringed, 1975-2001

3. Biometrics and moult

Mass data (g) for Cape Siskins
AgenMinMeanMax
Adult male5810.013.420.3
Adult female4511.013.418.8

Wing length (mm) for Cape Siskins
AgenMinMeanMax
Adult male3466.569.973
Adult female316168.272

More biometric data is presented in Ward (2001).

Moult data

One adult with irregular primary moult in January, another completing primary wing moult in April.

4. Recovery history (SAFRING's database)

  • Number of recoveries: 0 recoveries and 7 recaptures
  • Greatest distance: 0 km
  • Greatest elapsed time: 1y 0m 29d (X50379)
  • Causes of mortality of ringed birds: None

5. Ringing references

Claassen J. 2002. Biometrics and mass data of Cape Siskins in the Karoo. Afring News 31: 31.

Ward, V. 2001. Notes on the ageing and sexing of Cape Siskins Pseudochloroptila totta. Afring News 30:87-88.

6. Research

None.


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Last updated 18-July-2003