A very good article detailing the history of polar bears at Dudley from 1937 to 1989;
Throwback Thursday - Dudley Zoological Gardens
Frankie and Johnny (both arrived in 1937)
Harold (died a few years after the arrival of Helga)
Helga (arrived in 1959, died 1985)
Hans (arrived in 1966, died 1983)
- Chico (Hans x Helga, male, born 1970, only the second born in the country, left in 1972)
- Dougan (Hans x Helga, male, born 1972, left in 1973)
- (Unnamed) (Hans x Helga, male, born 1974, died at 14 days)
- Nanook (Hans x Helga, male, born 1975, left in 1977)
- (Unnamed) (Hans x Helga, male, born 1978, died at 2 days)
- Buster (Hans x Helga, male, born 1979, left for Belfast zoo in 1981 and renamed Dudley)
Mosa and Pipaluk (arrived from London zoo after deaths of Hans and Helga, relocated to Poland in 1989)