Clutch size and fledgling success of thr Australian white ibis Threskionis molucca in an urban environment
- Australian Bird Study Association Inc.
- Publication Type:
- Journal Article
- Corella, 2006, 30 (3/4), pp. 55 - 58
- Issue Date:
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The Australian White Ibis Threskionis molucca is very successful in adapting to and surviving in urban environments. Overaundant and/or large, permanent populations have established in many urban areas of coastal eastern Australia. In urban areas, the Australian White Ibis is currently regarded as a major pest and many agencies aim to reduce it numbers, however,the lask of knowledge on this species has made management difficult.Inthis study clutch size and fledgling success of Australian White Ibis breeding in Centennial Park, a large urban park in Sydney, were measured. Mean clutch size was 2.70 with a modal clutch size of three. Mean number of fledglings per successful (nestlings hatched) nest was 2.64. While clutch sizes were similar to those reported for ibis in natural and non-urban environments, fledgling success was considerably higher in Centennial Park. This is most likely due to high food availability in urban areas. management of artificial food sources 9eg. landfills) might be necessary for successfully managing ibis in urban environments.
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