- / July 23rd 1974: unk, Cameroon July 23rd 1974 / April 21st 1978: North Carolina Zoological Park April 21st 1978 / November 3rd 1981: Philadelphia Zoo November 3rd 1981 / May 10th 1984: Zoo Miami May 10th 1984 / October 23rd 1998: North Carolina Zoological Park October 23rd 1998 / now: Brookfield Zoo