SAFRING results

Leach's Storm Petrel Oceanodroma leucorhoa

1. Recognition (Identification, ageing & sexing)

2. Ring totals

• Total ringed: 29
• First ringed: 1951
• Trapping method: Nestlings, mistnets

Number of Leach's Storm Petrel ringed per year with SAFRING rings

Note that a total of 1 (average 0.25 per year) were ringed in the period 1970-73; the individual year totals are not known.

3. Ring Data (Computerised records, 1975-2002)

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

• Number of records: 29
• Ring sizes used:3 with old prefix rings, 19 with 3 mm rings
• Recommended ring size: 3 mm Stainless steel
• Top ringers: 6 ringers; top 4 ringers: Prof LG Underhill (18), RAC Jensen (6), Mr HD Oschadleus (1), Mr A Thomas (1)
• Bird age distribution: Unknown (3), Nestling (4), Adult (22)
• Bird sex distribution: Unknown (28), Female (1)
• Markings: Metal only (29)
• Condition: Good (29)
• Birds ringed per region:

  Locality	n
  Western Cape, South Africa	20
  At sea, South Africa	9

Map of localities where Leach's Storm Petrel have been ringed, 1975-2002

4. Biometrics and moult for Leach's Storm Petrel

Mass data (g)

Age	n	Min	Mean	Max
Adult female	1	40.0	40.0	40.0

Wing length (mm)

Age	n	Min	Mean	Max
Adult female	1	158.0	158.0	158.0

Moult data

Insufficient data

5. Recovery history (SAFRING's database)

• Number of recoveries: 0 recoveries and 12 recaptures
• Greatest distance: 122 km (5003040)
• Greatest elapsed time: 3y 8m 1d (BC45253)
• Causes of mortality of ringed birds:
  • None

6. Ringing references

None

7. Research

Read more about the Leach's Storm Petrel: Species text and references