Female impala, Aepyceros melampus, with redbilled oxpecker, Buphagus erythrorhynchus, in Kruger national park, Mpumalanga, South Africa

Giraffe, Giraffa camelopardalis, with redbilled oxpecker, Buphagus erythrorhynchus, in Kruger national park, Mpumalanga, South Africa

Redbilled oxpecker (Buphagus erythrorhynchus) on Burchell's zebra (Equus burchelli), Kruger National Park, South Africa, Africa

Redbilled oxpecker (Buphagus erythrorhynchus), on giraffe, Kruger National Park, South Africa, Africa

Warthog (Phacochoerus aethiopicus), with redbilled oxpecker (Buphagus erythrorhynchus) Mkhuze game reserve, KwaZulu-Natal, South Africa, Africa

White rhino (Ceratotherium simum), with redbilled oxpecker (Buphagus erythrorhynchus), Royal Hlane National Park, Swaziland, Africa

Warthog (Phacochoerus aethiopicus), with redbilled oxpeckers, Hluhluwe-Imfolozi Park, KwaZulu-Natal, South Africa, Africa

Cape buffalo (Syncerus caffer) with redbilled oxpecker (Buphagus erythrorhynchus), Kruger Park, South Africa, Africa

Cape buffalo (Syncerus caffer), with redbilled oxpecker, Kruger National Park, South Africa, Africa

Redbilled oxpecker (Buphagus erythrorhynchus), on impala, Kruger National Park, South Africa, Africa

Redbilled oxpecker (Buphagus erythrorhyncus) on impala (Aepyceros melampus), Kruger National Park, South Africa, Africa

Zebra (Equus burchelli) with redbilled oxpeckers (Buphagus erythrorhynchus), Imfolozi game reserve, KwaZulu-Natal, South Africa, Africa

Redbilled oxpecker (Buphagus erythrorynchus) on warthog (Phacochoerus africanus), Zimanga game reserve, South Africa, Africa

Impala ram (Aepyceros melampus), with redbilled oxpecker, Kruger National Park, South Africa, Africa

Giraffe (Giraffa camelopardalis), with redbilled oxpecker, Hluhluwe-Imfolozi Park, KwaZulu-Natal, South Africa, Africa

Cape buffalo (Syncerus caffer) with redbilled oxpecker, Hluhluwe-Imfolozi Park, KwaZulu Natal, South Africa, Africa

White rhinoceros (rhino), Ceratotherium simum, with redbilled oxpecker, Buphagus erythrorhynchus, Itala Game Reserve, KwaZulu-Natal, South Africa, Africa

Hippos (Hippopotamus amphibius) with redbilled oxpeckers (Buphagus erythrorhynchus), Chobe National Park, Botswana, Africa

Giraffe (Giraffa camelopardalis) with redbilled oxpecker, Kruger National Park, South Africa, Africa