"On the move across the Okavango Delta, Cape buffalo herds (here with an egret aerial escort) number as many as 2,000 animals. One of the hunter-prized 'big five'—lions, rhinos, leopards, and elephants are the others—Cape buffalo play a key role in the delta ecosystem. Feeding on tall, coarse grasses, they make smaller tender plants accessible to other grazers."
—From "Without Borders: Uniting Africa's Wildlife Reserves," September 2001, National Geographic magazine
Photograph by Chris Johns
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