LONGEVITY OF PIED CURRAWONGS AT TIMBERTOP, VICTORIA
| Posted: |
15/09/2021 |
| Author(s): |
D. G. Nicholls, J. C. Z. Woinarski |
Between 1962 and 1976, 1 91o Pied Currawongs were banded at Timbertop in north-eastern
Victoria. The number of individuals retrapped was 332 (17.4%). The longest elapsed time between
banding and recovery was 14 years, and 1. 7 per cent of birds were known to be alive over ten years
after banding. The mean annual survival rate was estimated to be between 64.4 and 79.8 per cent
(from three separate forumlae) and the mean for further expectation of life was between 2.5 and 4.5
years. These may represent underestimates of the actual survival rate because of the low
probability of recapturing surviving marked birds. Although the bulk of the population was not resident yearround,
there were few recoveries away from the banding location.
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