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

Redshouldered Widow Euplectes axillaris

Ringing data entered by ringers (19 May 2003)

H.D. Oschadleus H.D. Oschadleus
Redshouldered Widow male, Wakkerstroom               Redshouldered Widow female, Wakkerstroom

1. Numbers ringed with SAFRING rings, 1948-2002

  • Total ringed: 4228
  • First ringed: 1959/60 ringing year
  • Trapping method: Mistnets

Number of Redshouldered Widows ringed per year with SAFRING rings

Note that a total of 323 (average 80.75 per year) were ringed in the period 1970-73; the individual year totals are not known.

2. Computerised records, 1975-2002

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

  • Number of records: 638
  • Ring sizes used: 23 with 2.3 mm, 2 with 2.5-4 mm, 223 with 2.8 mm, 358 with 3 mm, 28 with 3.3 mm, 4 with 3.5 mm rings
  • Recommended ring size: 3 mm Stainless steel or Aluminium Alloy
  • Top ringers: 42 ringers; top 5 ringers: Mr M Bowker (127), Prof SE Piper (105), Dr DN Johnson (59), Mr JMH Raijmakers (59), Mr AJ Botha (44)
  • Bird age distribution: Unknown (32), Juvenile (4), Immature (27), Adult (553), 0-6 months (7), 6-12 months (12), 1-2 years (3)
  • Bird sex distribution: Unknown (82), Male (290), Female (229), Possibly male (17), Possibly female (20)
  • Markings: Metal only (638)
  • Condition: Good (638)
  • Birds ringed per region:
    Localityn
    KwaZulu-Natal, South Africa381
    Mpumulanga, South Africa228
    Malawi14
    Eastern Cape, South Africa5
    Gauteng, South Africa4
    Namibia4
    Free State, South Africa1
    Swaziland1

Map of localities where Redshouldered Widows have been ringed, 1975-2002

3. Biometrics and moult for Redshouldered Widows

Mass data (g)
AgenMinMeanMax
Adult male2311827.836.5
Adult female1931622.734.5

Wing length (mm)
AgenMinMeanMax
Adult male2305987.898
Adult female1936273.691.5

Moult data

Primary moult March to May.

4. Recovery history (SAFRING's database)

  • Number of recoveries: 6 recoveries and 69 recaptures
  • Greatest distance: 47 km (BB14645)
  • Greatest elapsed time: 8y 2m 5d (E09444)
  • Causes of mortality of ringed birds: None
    • Shot (2)
    • Poisoned unintentionally (1)
    • Collision with motor vehicle (1)
    • Rest unknown

5. Ringing references

Craig AJFK. 1978. Seasonal variations in the weights of Red Bishops, Redcollared Widows and Redshouldered Widows. Ostrich 49:153-157.

Craig AJFK. 1982. Mortality rates of some South African Ploceidae. Ostrich 53: 54-57.

Craig AJFK. 1983. Moult in southern African passerine birds: a review. Ostrich 54:220-237.

Craig AJFK. 1992. The identification of Euplectes species in non-breeding plumage. BBOC 112:102-108.

Craig AJFK. 1993. Geographical variation and taxonomy of the genus Euplectes (Aves, Ploceidae). Part II: the long-tailed widow birds. Journal of African Zoology 107:139-151.

Craig AJFK. 1993. Are there common patterns of variation in bishop-bird Euplectes species? PAOC 8: 53-59.

Craig AJFK & Manson AJ. 1979. Sex ratios among three Euplectes species in southern Africa. Ibis 121:224-227.

Craig AJFK & Manson AJ. 1979. Moult of the Red Bishop and related species of Euplectes. Ostrich 50: 65-69.

Craig AJFK & Manson AJ. 1981. Sexing Euplectes species by wing-length. Ostrich 52: 9-16.

Craig AJFK & Villet MH. 1998. Sexual dimorphism and tail-length in widowbirds and bishopbirds (Ploceidae: Euplectes spp.): a reassessment. Ibis 140:137-143.

6. Research

None.


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Last updated 19-May-2003