Initially its unusual life style and reproduction mode caused problems in captivity, and by December 2004, less than 70 remained in U.S. zoos, but soon after greater reproductive success was achieved.
Initially its unusual life style and reproduction mode caused problems in captivity, and only Bronx Zoo and Toledo Zoo were able to maintain populations. By December 2004, less than 70 remained in captivity, but when their exact requirements were discovered greater survival and breeding success was achieved.