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Use of West Coast Waikato estuaries by Canada geese and black swans

TR 2019/16
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Author: Briar Taylor Smith (Tonkin & Taylor Ltd)

About this report

The exotic Canada goose and the native black swan are present in Waikato estuaries, and there are concerns that bird numbers are increasing. These waterfowl have various potential ecological effects, the most significant of which is damage to seagrass

This report reviews available information on the use of estuaries on the west coast of the Waikato region by Canada geese and black swans, including the potential effects of these species on estuarine ecosystems.