Abstract
Brown hyenas became more common in European and North American zoos from 1960 to 1975 and 75 young were born. Survivalship of young was low (45%) and none have been reared in zoos outside of Africa since 1975. Captive females cease reproduction at an unusually early age, reducing the species' fecundity to the point where captive populations have decreased 41% between 1980 and 1983. It is likely that brown hyenas will disappear from captive collections in the near future.