Peter Blackwell / Three Zebra stand with herd of Wildebeest (Equus quagga) Masai Mara, Kenya.

TJ Rich / Hippopotamuses resting (Hippopotamus amphibius) Masai Mara National Reserve, Kenya

TJ Rich / Hippopotamuses resting (Hippopotamus amphibius) Masai Mara National Reserve, Kenya

TJ Rich / Hippopotamuses resting (Hippopotamus amphibius) Masai Mara National Reserve, Kenya

Peter Blackwell / Female Topi nursing calf {Damaliscus lunatus} Masai Mara NR, Kenya

Peter Blackwell / Hippopotamus {Hippopotamus amphibius} Masai Mara, Kenya

Peter Blackwell / Hippopotamus {Hippopotamus amphibius} Masai Mara, Kenya

Peter Blackwell / African lionesses {Panthera leo} at Zebra kill, Masai Mara GR, Kenya

Peter Blackwell / Topi {Damaliscus lunatus} standing alert on mound, Masai Mara National Reserve, Kenya

Peter Blackwell / African buffalo {Synceros caffer} bellowing, Masai Mara NR, Kenya, East Africa

Peter Blackwell / Female Topi and calf {Damaliscus lunatus} feeding on lush grass, Masai Mara Game Reserve, Kenya, East Africa

Peter Blackwell / Juvenile giraffe portrait {Giraffa camelopardalis} Masai Mara NP, Kenya