Peter Blackwell / Male Impala (Aepyceros melampus) sparring, Masai Mara GR, Kenya

Peter Blackwell / Wildebeest jumping into Mara River {Connochaetes taurinus} Masai Mara GR, Kenya

Peter Blackwell / Wildebeest jumping into Mara river {Connochaetes taurinus} Masai Mara NR, Kenya

Peter Blackwell / Wildebeest {Connochaetes taurinus} leaping into Mara river, Masai Mara GR, Kenya

Shattil & Rozinski / Mountain goat climbing snow face {Oreamnos americanus} Mt Evans, Colorado, USA

Peter Blackwell / Wildebeest {Connochaetes taurinus} jumping into river, Masai Mara GR, Kenya

TJ Rich / Male Impala sparring {Aepyceros melampus} Samburu, Kenya

Richard Du Toit / Young Impala (Aepyceros melampus) leaping. Chobe NP, Botswana, Southern Africa