SAFRING results
Blue Swallow Hirundo atrocaerulea
Ringing data entered by James Wakelin (6 March 2003)
1. Numbers ringed with SAFRING rings, 1948-2001
- Total ringed: 115
- First ringed: 1952/53 ringing year
- Trapping method: Mistnets, nestlings
Number of Blue Swallows ringed per year with SAFRING rings
2. Computerised records, 1975-2001
- Number of records: 104
- Ring sizes used: 32 with 1.8 mm, 72 with 2.3 mm rings
- Recommended ring size: 1.8 or 2.3 mm Aluminium Alloy
- Top ringers: 7 ringers: Dr DN Johnson (42), Mr SW Evans (25), Dr WR Tarboton (18), Mrs JT Couto (12), Nyika Bird Project (4), Mr A Manson (2), Dr R Dowsett (1)
- Bird age distribution: Unknown (3), Nestling (83), Juvenile (1), Immature (1), Adult (13), 0-6 months (3)
- Bird sex distribution: Unknown (89), Male (6), Female (6), Possibly male (1), Possibly female (2)
- Markings: Metal only (104))
- Condition: Good (104)
- Birds ringed per region:
| Locality | n |
| Mpumulanga, South Africa | 48 |
| KwaZulu-Natal, South Africa | 37 |
| Zimbabwe | 14 |
| Malawi | 5 |
Map of localities where Blue Swallows have been ringed, 1975-2001
3. Biometrics and moult
Mass data (g) for Blue Swallows
| Age | n | Min | Mean | Max |
| Adult male | 3 | 14 | 14.3 | 15 |
| Adult female | 5 | 13 | 13.6 | 14 |
Moult data
No data.
4. Recovery history (SAFRING's database)
None.
5. Ringing references
- Earle, R. 1987. Measurements, moult and timing of breeding in the Blue Swallow. Ostrich 58:182-185.
6. Research
Read more about the Blue Swallow: Blue Swallow Working Group of the EWT (click on 'Blue Swallow' in frame on left)
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