Bence Mate / Group of four Giraffes (Giraffa camelopardalis) Mkuze, South Africa

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes and mist, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes, and star trails, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes and the milky way behind, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) at night with red dunes behind. Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Eric Baccega / Angolan giraffes (Giraffa camelopardalis angolensis) and black rhinoceros (Diceros bicornis) reflecting in waterhole at sunset, Okaukuejo, Etosha National Park, Namibia, Africa

Denis-Huot / West African giraffe (Giraffa camelopardalis peralta) mother and baby nuzzling each other. Bioparc Zoo de Doue la Fontaine, France. Captive, occurs in south-western Niger. Endangered subspecies.

Andrew Parkinson / Three Giraffe {Giraffa camelopardalis} Kruger NP, South Africa

Richard Du Toit / South African Giraffe (Giraffa giraffa giraffa) mother and young, Londolozi, Sabi-Sand Game Reserve, South Africa

Richard Du Toit / South African Giraffe (Giraffa giraffa giraffa) mother grooming her calf, Phinda Game Reserve, 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) female in Mopane (Colophospermum mopane) woodland, Kruger National Park, South Africa

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

Richard Du Toit / Northern Giraffe (Giraffa camelopardalis) mother and calf, iSimangaliso Wetland Park, South Africa

Richard Du Toit / Red-billed Oxpecker (Buphagus erythrorhynchus) landing on South African Giraffe (Giraffa giraffa giraffa), KwaZulu-Natal, South Africa

Richard Du Toit / South African Giraffe (Giraffa giraffa giraffa) pair courting, KwaZulu-Natal, South Africa

Eric Baccega / Male Rhodesian / Thornicroft giraffe (Giraffa camelopardalis thornicrofti) feeding, South Luangwa National Park, Zambia

Eric Baccega / Rhodesian / Thornicroft giraffe (Giraffa camelopardalis thornicrofti), close up of hoof, South Luangwa National Park, Zambia

Eric Baccega / Male Rhodesian / Thornicroft giraffe (Giraffa camelopardalis thornicrofti) feeding, close up of head, South Luangwa National Park, Zambia

Eric Baccega / Male Rhodesian / Thornicroft giraffe (Giraffa camelopardalis thornicrofti) South Luangwa National Park, Zambia

Eric Baccega / Two Rhodesian / Thornicroft giraffes (Giraffa camelopardalis thornicrofti) calf walking alongside its mother , South Luangwa National Park, Zambia

Eric Baccega / Male Rhodesian / Thornicroft giraffe (Giraffa camelopardalis thornicrofti) feeding, South Luangwa National Park, Zambia

Ann & Steve Toon / Giraffe (Giraffa camelopardalis) drinking, Zimanga private game reserve, KwaZulu-Natal, South Africa August

Ann & Steve Toon / Giraffe (Giraffa camelopardalis) drinking at night, Zimanga private game reserve, KwaZulu-Natal, South Africa August

Ann & Steve Toon / Giraffe (Giraffa camelopardalis) drinking at night, Zimanga private game reserve, KwaZulu-Natal, South Africa August

Kristel Richard / Thornicroft giraffes (Giraffa camelopardalis thornicrofti) alert beside the Luangwa river with hippopotamuses (Hippopotamus amphibius) South Luangwa National Park, Zambia. August

Ann & Steve Toon / Lion (Panthera leo) male with dead giraffe (Giraffa camelopardalis) killed in sparring with another giraffe, Kgalagadi Transfrontier Park, South Africa, January 2018

Ann & Steve Toon / Giraffes (Giraffa camelopardalis) Kgalagadi Transfrontier Park, South Africa.

Klein & Hubert / Common or Small-spotted genet (Genetta genetta) at night in Camel thorn (Vachellia erioloba) Kalahari Desert, South Africa.

Klein & Hubert / Common or Small-spotted genet (Genetta genetta) at night in Camel thorn (Vachellia erioloba) Kalahari Desert, South Africa.

Klein & Hubert / Spotted eagle-owl (Bubo africanus) sitting on Camel thorn (Acacia erioloba) at night, Kalahari, South Africa.

Klein & Hubert / Giraffe (Giraffa camelopardalis giraffa) in open savanna, Kalahari, South Africa

Klein & Hubert / Giraffe (Giraffa camelopardalis giraffa) in open savanna, Kalahari, South Africa

Jen Guyton / Sunset over the Camelthorn trees (Vachellia erioloba) in the Kalahari Desert, South Africa.

Jen Guyton / Sunset over the Camelthorn trees (Vachellia erioloba) in the Kalahari Desert, South Africa.

Emanuele Biggi / Dead Camelthorn trees (Vachellia erioloba) on sand, Deadvlei, Sossusvlei, Naukluft National Park, Namib Desert, Namibia, June.

Emanuele Biggi / Camel thorn tree (Acacia erioloba) half dead and close to dune, Sossusvlei area, Namib-Naukluft National Park, Namib Desert, Namibia

Emanuele Biggi / Deadvlei with dead Camel thorn tree (Vachellia erioloba) trees Namib-Naukluft National Park, Namib Desert, Namibia

Lucas Bustamante / Giraffe (Giraffa camelopardalis) in mountainous habitat, Brandberg, Erongo, Namibia, October 2015.

Lucas Bustamante / Giraffe (Giraffa camelopardalis) silhouetted in waterhole, Etosha National Park, Kunene, Namibia .

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.