Alert!

This Black Rhino bull was very alert as he was browsing on small bushes on the edge of a savanna area. The picture was taken just after the sun had set.

The visible sore on its side is a skin lesions caused by a parasite. When visiting communal dung heaps rhinoceros will pass the infection along, resulting in almost every individual being infected by a small filariform worm. It seems not to distract them.

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