Subcategories
This category has the following 10 subcategories, out of 10 total.
0–9
- Zoos established in 1970 (19 P)
- Zoos established in 1971 (9 P)
- Zoos established in 1972 (16 P)
- Zoos established in 1973 (10 P)
- Zoos established in 1974 (15 P)
- Zoos established in 1975 (3 P)
- Zoos established in 1976 (7 P)
- Zoos established in 1977 (9 P)
- Zoos established in 1978 (5 P)
- Zoos established in 1979 (5 P)