i their work draws a lot of attention from tourists. the tranquilizer will soon take effect one of the men tries to keep the animal from falling on to the road. tourists capture the rare sight. the transmitters are strapped to the right of his front legs. bus's colleagues drill a hole in the rhino horn and insert a microchip if the animal is killed and poachers sell the horn the authorities could use the chip as evidence in a criminal case more than one thousand rhinos were killed in south africa last year . with the beautiful big female and and these are the ones that we really should be protecting you know because these are our breeding animals and this is the future