 In 1958 she was transferred to Moscow Zoo in return for four endangered snow leopards.At some point between 1962 and 1971, Dumbo was acquired by circus performer Dolly Jacobs, but by 1978 she had been sold to Paul Kaye and was living in California with three other elephants.On 27 November 1949, Brumas became the first polar bear to be successfully bred at the zoo, and immediately became a major attraction with the public.