Kalahari Desert bird ("Sagittarius serpentarius"), martial eagle ("Polemaetus bellicosus") and other eagles, the giant eagle owl ("Bubo lacteus") and other owls, falcons, goshawks, kestrels, and kites. Other animals include wildebeest, springbok and other antelopes, porcupines ("Hystrix africaeaustralis") and ostriches ("Struthio camelus"). Some of the areas within the Kalahari are seasonal wetlands, such as the Makgadikgadi Pans of Botswana. This area, for example, supports numerous halophilic species, and in the rainy season, tens of thousands of flamingos visit these pans. The biggest threat to wildlife are the fences erected to manage herds of grazing cattle, a practice which also removes the plant cover
Kalahari Debate with merchant capital. They believe the San in the Kalahari are a classless society because they are actually the lower class of a greater Kalahari society. The revisionists believe the !Kung San were heavily involved in trade. They believe the San were transformed by centuries of contact with Iron Age, Bantu-speaking agro-pastoralists. This argues against the idea that they were a well-adapted hunter-gatherer culture, but instead advanced only through trade and help from nearby economies. When it comes to archaeological evidence, much work still has yet to be done. However, artifacts and ecofacts have been found at southern African sites