Graeme Guy/ BIA / Coke's Hartebeest (Alcelaphus buselaphus cokii), Masai Mara, Kenya

Loic Poidevin / Coke's Hartebeest (Alcelaphus buselaphus cokii) portrait, Masai Mara, Kenya.

Winfried Wisniewski / Coke's Hartebeest (Alcelaphus buselaphus cokii) male, Kenya

Winfried Wisniewski / Coke's Hartebeest (Alcelaphus buselaphus cokii) male on termite mount, Kenya

Winfried Wisniewski / Coke's Hartebeest (Alcelaphus buselaphus cokii) male flapping ears, Kenya

Eric Baccega / Coke's hartebeest (Alcelaphus bucephalus cokii) head portrait Masai Mara National Reserve, Kenya, Africa.

D. Parer & E. Parer-Cook / Coke's Hartebeest (Alcelaphus buselaphus cokii), Ngorongoro Conservation Area, Tanzania

Denis-Huot / Coke's Hartebeest (Alcelaphus bucephalus cokii) mother and young, Masai-Mara game reserve, Kenya

Denis-Huot / Coke's Hartebeest (Alcelaphus bucephalus cokii) portrait, Masai-Mara game reserve, Kenya

Denis-Huot / Coke's Hartebeest (Alcelaphus bucephalus cokii) newborn, Masai-Mara game reserve, Kenya

Charlie Summers / Coke's Hartebeest (Alcelaphus buselaphus cokii) males fighting, Ngorongoro Crater of Tanzania, East Africa

Edwin Giesbers / Two Coke's hartebeest (Alcelaphus buselaphus cokii) Murchison Falls National Park, Uganda

Suzi Eszterhas / Coke's hartebeest {Alcelaphus buselaphus cokii} mother with calf, Masai Mara Triangle, Kenya

Suzi Eszterhas / Coke's hartebeest {Alcelaphus buselaphus cokii} Masai Mara Triangle, Kenya

Suzi Eszterhas / Coke's Hartebeest (Alcelaphus buselaphus cokii) baby, Masai Mara, Kenya

Suzi Eszterhas / Coke's Hartebeest (Alcelaphus buselaphus cokii) baby nursing from mother, Masai Mara, Kenya

Suzi Eszterhas / Coke's Hartebeest (Alcelaphus buselaphus cokii) mother and baby, Masai Mara, Kenya

Suzi Eszterhas / Coke's Hartebeest (Alcelaphus buselaphus cokii) baby, Masai Mara, Kenya

Suzi Eszterhas / Coke's Hartebeest (Alcelaphus buselaphus cokii) pair, Masai Mara, Kenya

Suzi Eszterhas / Coke's Hartebeest (Alcelaphus buselaphus cokii) baby, Masai Mara, Kenya

Richard Du Toit / Four Coke's hartebeest {Alcelaphus buselaphus cokii} Masai Mara GR, Kenya

Richard Du Toit / Coke's hartebeest {Alcelaphus buselaphus cokii} pair, Masai Mara GR, Kenya

TJ Rich / Coke's Hartebeest (Alcelaphus buselaphus cokii) Masai Mara National Reserve, Kenya

TJ Rich / Coke's Hartebeest (Alcelaphus buselaphus cokii) Masai Mara National Reserve, Kenya

TJ Rich / Coke's Hartebeest (Alcelaphus buselaphus cokii) Masai Mara National Reserve, Kenya

TJ Rich / Coke's Hartebeest (Alcelaphus buselaphus cokii) Masai Mara National Reserve, Kenya

TJ Rich / Coke's Hartebeest (Alcelaphus buselaphus cokii) Masai Mara National Reserve, Kenya

TJ Rich / Coke's Hartebeest mother and young (Alcelaphus buselaphus cokii) Masai Mara National Reserve, Kenya

Peter Blackwell / Coke's hartebeest {Alcelaphus buselaphus cokii} adult with juvenile, Masai Mara GR, Kenya, with dark storm clouds behind

Richard Du Toit / Mixed herd of Coke's hartebeest {Alcelaphus buselaphus cokii} and Impala {Aepyceros melampus} Masai Mara GR, Kenya