A key to ageing goslings of the Hawaiian Goose Branta sandvicensis

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Janet M Hunter

Abstract

The pattern of feather emergence in the goslings of captive Hawaiian Geese, or Nene, was photographed and scored visually to provide a guide for ageing goslings in the wild. The mean age at fledging was 68 days (range 58-77) and the mean age at which the juveniles took on an adult appearance was 137 days (range 199-150). The ability to determine the age of Nene goslings will enable field researchers to keep track of wild broods, thus allowing reliable assessments of recruitment, mortality and population size.

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How to Cite
Hunter, J. M. (1995). A key to ageing goslings of the Hawaiian Goose Branta sandvicensis. Wildfowl, 55–58. Retrieved from https://tidsskrift.dk/Wildfowl/article/view/154671
Issue
Wildfowl 46
Section
Standard Papers

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