Tony Heald / Two male Giraffe (Giraffa camelopardalis) sparring (also known as 'necking'). Namibia, Southern Africa

Richard Du Toit / Giraffes, silhouetted of heads and necks at dawn {Giraffa camelopardalis} Botswana Savute-Chobe NP

Tony Heald / Giraffes {Giraffa camelopardalis}, Etosha NP, Namibia

Tony Heald / Two male Giraffe (Giraffa camelopardalis) sparring (also known as 'necking'). Namibia, Southern Africa

Ernie Janes / Angolan giraffe (Giraffa camelopardalis angolensis) northern Namibia.

Ernie Janes / Angolan giraffe (Giraffa camelopardalis angolensis) northern Namibia.

Ernie Janes / Angolan giraffe (Giraffa giraffa angolensis) on road, northern Namibia.

Eric Baccega / Aerial view of Giraffe group running (Giraffa camelopardalis angolensis) with shadow at sunrise, Okavango delta, Botswana, Africa

Eric Baccega / Giraffe female and calf (Giraffa camelopardalis angolensis). Moremi National Park, Okavango Delta, Botswana, Southern Africa

Yva Momatiuk & John Eastcott / Angolan Giraffe (Giraffa giraffa angolensis) group and Zebras (Equus quagga) at waterhole in dry season, Etosha National Park, Namibia

Yva Momatiuk & John Eastcott / Angolan Giraffe (Giraffa giraffa angolensis) group, Common Elands (Tragelaphus oryx), Zebras (Equus quagga), and Hartmann's Mountain Zebras (Equus zebra hartmannae) at waterhole in dry season, Etosha...

Yva Momatiuk & John Eastcott / Angolan Giraffe (Giraffa giraffa angolensis) watching Steppe Eagle (Aquila nipalensis) at waterhole in dry season, Etosha National Park, Namibia