Trends in Namibian Waterbird Populations 7: Ducks and Geese (2)
This article continues the series on trends in Namibian waterbird populations and summarizes count data for ducks and geese for the period 1977 to December 2008. For each species the Red Data Book (RDB) status, both global and Namibian, is given, the population trend as per Wetlands International, the number of times the species was counted, the number of times it has passed the 1% population criterion, the maximum count and the sites where it has passed the 1% population criterion.
Lanioturdus
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Trends in Namibian Waterbird Populations 7_ Ducks and Geese.pdf | 391.65 KB |