Oxpecker
A small bird that lives in Africa, to the South of the Sahara. Possibly because they eat the parasites that live on mammals' skin, large animals let them sit on their back, or even head.
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Oxpecker
A small bird that lives in Africa, to the South of the Sahara. Possibly because they eat the parasites that live on mammals' skin, large animals let them sit on their back, or even head.
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