Survey of Birds on Floodplain-estuarine Wetlands on the Hunter and Richmond Rivers in Northern N.S.W.
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|| D. G. Gosper
A systematic account of birds observed on wetlands of the Hunter and Richmond
Rivers between 1970 and 1977 is given. Numbers of migratory waders and terns on the
estuaries were highest between December and early March, and were lowest between
late June to early August. Marked annual and seasonal variation in waterbird
numbers were observed. In years of high waterbird concentration a relatively few species
comprised the bulk of the population during peak periods. In seasonal terms, overall
waterbird numbers showed a broad correlation with seasonal habitat availability as
infered from the normal rainfall distribution pattern.
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