People wonder if the second rhinoceros was the same as the first, but Jean declares that there were two different rhinoceroses: the first was an Asian rhinoceros with two horns, while the second was an African rhinoceros with one horn. Berenger insists that this is ridiculous since the rhinoceroses were moving too fast to count their horns.
Rhinoceroses are usually not in direct contact with their keepers, so diagnosing lameness may be difficult. A black rhinoceros was presented with lameness in the left foreleg. Using the IR camera, however, the area of concern was the tarsus and stifle of the right hind leg (Figure 3-16). The lameness and elevated radiation observed in the front.