Martin Dohrn / Herd of giraffes (Giraffa camelopardalis) resting at night, Masai Mara, Kenya. Image taken at night using thermal camera technology, with no artificial light.

Mary McDonald / Masai giraffe {Giraffa camelopardalis} mother nuzzling baby, Lower Masai Mara GR, Kenya

Staffan Widstrand / Southern Giraffe (Giraffa camelopardalis) two, with one in foreground, Zimanga Private Nature Reserve, KwaZulu Natal, South Africa

Richard Du Toit / Northern Giraffe (Giraffa camelopardalis) calves, iSimangaliso Wetland Park, KwaZulu-Natal, South Africa

Richard Du Toit / Northern Giraffe (Giraffa camelopardalis) with Red-billed Oxpeckers (Buphagus erythrorhynchus) feeding on parasites in symbiotic relationship, Mkhuze Game Reserve, KwaZulu-Natal, South Africa

Richard Du Toit / Northern Giraffe (Giraffa camelopardalis) mother and calf, Itala Game Reserve, KwaZulu-Natal, South Africa

Sebastian Kennerknecht / South African Giraffe (Giraffa giraffa giraffa) juvenile at sunset, Greater Makalali Private Game Reserve, South Africa

Denis-Huot / Masai giraffes (Giraffa camelopardalis tippelskirchi) in dry season, Masai-Mara Game Reserve, Kenya. March.

Denis-Huot / Masai giraffes (Giraffa camelopardalis tippelskirchi), at sunrise, Masai-Mara Game Reserve, Kenya. March.

Ingo Arndt / Masai Giraffe (Giraffa camelopardalis tippelskirchi) male and female, Masai Mara National Reserve, Kenya, Africa

Ingo Arndt / Masai Giraffe (Giraffa camelopardalis tippelskirchi) two adults, Masai Mara National Reserve, Kenya, Africa

Ingo Arndt / Masai Giraffe (Giraffa camelopardalis tippelskirchi) two adults, Masai Mara National Reserve, Kenya, Africa