SAFRING results

Whitethroated Canary Serinus albogularis

1. Numbers ringed with SAFRING rings, 1948-2001

• Total ringed: 727
• First ringed: 1958/59 ringing year
• Trapping method: Mistnets, nestlings

Number of Whitethroated Canaries ringed per year with SAFRING rings

Note that a total of 21 (average 5.25 per year) were ringed in the period 1970-73; the individual year totals are not known.

2. Computerised records, 1975-2001

• Number of records: 664
• Ring sizes used: 1 with 1.8 mm, 187 with 2.3 mm, 406 with 2.8 mm, 69 with 3.0 mm, 1 with 3.3 mm rings
• Recommended ring size: 2.3 or 2.8 mm Aluminium Alloy
• Top ringers: 59 ringers; top 5 ringers: Mr J Johnson (134), Mr CGC Martin (53), Mr B Ellis (41), Mr R Erasmus (39), Mr G Underhill (38)
• Bird age distribution: Unknown (59), Nestling (17), Juvenile (1), Immature (22), Adult (563), 0-6 months (2)
• Bird sex distribution: Unknown (624), Male (7), Female (13), Possibly male (11), Possibly female (9)
• Markings: Metal only (653), Metal plus colour rings (11)
• Condition: Good (664)
• Birds ringed per region:

  Locality	n
  Western Cape, South Africa	512
  Namibia	57
  Northern Cape, South Africa	40
  Eastern Cape, South Africa	38
  Free State, South Africa	16
  Gauteng, South Africa	1

Map of localities where Whitethroated Canaries have been ringed, 1975-2001

3. Biometrics and moult

Mass data (g) for Whitethroated Canaries

Age	n	Min	Mean	Max
Adult	507	13	27.1	34

Wing length (mm) for Whitethroated Canaries

Age	n	Min	Mean	Max
Adult	209	67	80.3	87

Moult data

Primary moult active November to April (42 birds).

4. Recovery history (SAFRING's database)

• Number of recoveries: 0 recoveries and 16 recaptures
• Greatest distance: 20 km (AD76512)
• Greatest elapsed time: 4y 1m 21d (5H11006)
• Causes of mortality of ringed birds: None

5. Ringing references

Claassen J. 1994. Beringing van voels te Renosterkop, Beaufort-Wes. Safring News 23: 11-17.

Dowsett RJ. 1987. Potential problems in ageing and sexing southern African passerines. Safring News 16:17-20.

Winterbottom JM. 1976. Report on the Klaarstroom Project, 1974-75. Safring News 5(1): 19-20.

6. Research

None.