Black rhino deaths in the reserve Adult Immature Total 1954 0/1 1 1955 1/0/1 1/0/2 5 1956 0 0/0/1 1 1957 2/0 0 2 1958 1/0 0 1 1959 no records available 1960 no records available 1961 15/21/8 4/6/1 55 1962 1/2. 1/0 4 1963 2/1/4 1/0 8 1964 3/0/2 0 5 1965 2/1 1/0 4 1966 2/2 0/1/1 6 Total 28/28/15 8/7/5 92 The high mortality in 1961 occurred in the period 11.7.1961 to 21.10.1961 when 46 animals died in the northern area. The cause is as yet unknown.
Adult is defines as an animal over 4 years old Immature is approximately less than 4 years old. Population in Hluhluwe after ground counts in 1961 and 1967 Sample,Adult,Immature,Total ,Male,Female,Total,Male,Female,Unsexed, 1963,28 40%,31 44.3 %,59 84.3 %,5 7.1 %,3 4.3 %,3 4.3 %,70 1966- July,28 42.4 %,26 39.5 %,54 81.9 %,7 10.6 %,5 7.5 %,0,66 1967 January,31 47.0 %,24 36.4 %,55 83.4 %,4 6.1 %,7 10.6 %,0,66 From the table, it shows that there is no difference in the proportions of immature animals in the three samples. The proportions of immature animals in the three samples are 15.7 %, 18.1 % and 16.7 %. Out of a total of 41 animals counted from the air on 13 Jan 1967, 7 (17 %) were immature. Different age classes Sample,Class,Total ,< 1 year,1-2 years,2-3 years,3-4 years, 1963,4 - 36.4 %,3 - 27.3 %,4 - 36.4 %,,11 1966,2 - 16.6 %,1 - 8.3 %,5 - 41.7 %,4 - 33.4 %,12 1967,2 - 18.2 %,3 - 27.3 %,4 - 36.4 %,2 - 18.2 %,11 End
The black rhino in Hluhluwe possess a combination of horn and ear characteristics which enable an observer to recognize individuals when he has become familiar with the animals. By using this technique, a total of 161 different animals are known to the author.