Lake Xau is a lake that is sometimes a dry lakebed in

Botswana Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label=Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kalahar ...

. It is fed by the Boteti River and the

Okavango Delta The Okavango Delta (or Okavango Grassland; formerly spelled "Okovango" or "Okovanggo") in Botswana is a swampy inland delta formed where the Okavango River reaches a tectonic trough at an altitude of 930–1,000 m in the central part of the en ...

. The lake has been described as "when it holds water, ... one of the most important wetlands for waterfowl in Southern Africa".

References

Xau Xau {{Botswana-geo-stub