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:
| Locality | n |
| KwaZulu-Natal, South Africa | 61 |
| Eastern Cape, South Africa | 5 |
| Malawi | 2 |
Map of localities where Spotted Thrushes have been ringed, 1975-2002
3. Biometrics and moult for Spotted Thrushes
Mass data (g)
| Age | n | Min | Mean | Max |
| Adult | 25 | 62 | 68.5 | 79 |
Wing length (mm)
| Age | n | Min | Mean | Max |
| Adult | 2 | 115 | 119 | 123 |
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.
|