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 Augrabies Extreme Marathon of 40 °C in the summer months and dropping to below 5 °C at night during the winter, presents a daunting challenge to the extreme athlete and determined adventurer alike. Known as the 'Big Daddy' in the South African running circles, the Kalahari Augrabies Extreme Marathon is event organised by Extreme Marathons, and has its place on the International Calendar of similar trail events. Participants run in the footsteps of the ancient Bushmen, through the fertile vineyards of the Orange River Valley (not in 2015), across rocky outcrops and into the desolate Great Kalahari Desert. Although the event is advertised