Anas undulata

Population size and trend
Population Size interval Size quality Estimated population size Size reference Size notes
Trend interval Trend quality Trend Trend reference Trend notes
Southern Africa1996Best guess100,000-100,001 Harrison, J.A., Allan, D.G., Underhill, L.G., Herr [more]
1997-2007PoorINC Wetlands Intrenational 2011. Results of trend anal [more]
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