Avian Demography Unit
Department of Statistical Sciences
University of Cape Town
ADU home     UCT Home page

SAFRING results

Spotted Thrush Zoothera guttata

Ringing data entered by Doug Harebottle (28 March 2003)

D. Harebottle

Spotted Thrush

1. Numbers ringed with SAFRING rings, 1948-2002

  • Total ringed: 77
  • First ringed: 1964/65 ringing year
  • Trapping method: Mistnets, nestlings, Rehabilitatees

Number of Spotted Thrushes ringed per year with SAFRING rings

Note that a total of 2 (average 0.5 per year) were ringed in the period 1970-73; the individual year totals are not known.

2. Computerised records, 1975-2002

  • Number of records: 68
  • Ring sizes used: 5 with 3 mm, 4 with 3.5 mm, 58 with 4.3 mm, 1 with 5.25 mm rings
  • Recommended ring size: 3.5 mm Aluminium Alloy
  • Top ringers: 11 ringers; top 7 ringers: Prof DP Cyrus (47), Dr J Cooper (6), Mr R Boon (3), CROW (2), Mr M & T Roberts (2), Mr B Taylor (2), Mr D Forbes (2)
  • Bird age distribution: Unknown (3), Nestling (23), Immature (3), Adult (36), 0-6 months (1), 1-2 years (2)
  • Bird sex distribution: Unknown (63), Male (1), Possibly male (2), Possibly female (2)
  • Markings: Metal only (33), Metal plus colour rings (35)
  • Condition: Good (65), Rehabilitated (3)
  • Birds ringed per region:
    Localityn
    KwaZulu-Natal, South Africa61
    Eastern Cape, South Africa5
    Malawi2

Map of localities where Spotted Thrushes have been ringed, 1975-2002

3. Biometrics and moult for Spotted Thrushes

Mass data (g)
AgenMinMeanMax
Adult 256268.579

Wing length (mm)
AgenMinMeanMax
Adult 2115119123

Biometric data of museum specimens is given in Harebottle et al. (1997).

Moult data

No active primary moult data.

4. Recovery history (SAFRING's database)

None.

5. Ringing references

Harebottle, DM, Taylor, PA & Berruti, A. 1997. The subspecies status of the Spotted Ground Thrush Zoothera guttata guttata (Aves: Turdidae) in South Africa - a multivariate analysis. Durban Musuem Novitates 22: 32-36.

6. Research

None.


Back   Back to Ring results...   South African Bird Ringing Unit
Office Avian Demography Unit
Enquiries/More Information: SAFRING safring@adu.uct.ac.za
Last updated 31-Mar-2003