A rhinocero grazes in the private Rhino and Lion Nature Reserve on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

Rhinoceros graze in the private Rhino and Lion Nature Reserve on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

Nine-month-old rhinoceros called Vuma is pictured at the animal orphanage of the private Rhino and Lion Nature Reserve on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

Nine-month-old rhinoceros called Vuma is pictured at the animal orphanage of the private Rhino and Lion Nature Reserve on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

A nine-month-old rhinoceros called Vuma (C) rests with two others rhinoceros at the animal orphanage of the private Rhino and Lion Nature Reserve on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

A nine-month-old rhinoceros called Vuma (R) is pictured with two others rhinoceros at the animal orphanage of the private Rhino and Lion Nature Reserve on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

Ed Hern, owner of the private Rhino and Lion Nature Reserve poses with baby rhinoceros Vuma in the animal orphanage on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.

Ed Hern, owner of the private Rhino and Lion Nature Reserve poses front of the entrance of the animal orphanage on July 21, 2010 in Krugersdorp, north of Johannesburg. Photo courtesy: AFP.