13

A look at the effects of pollution, pesticides and widespread deforestation

1975-12-09

12

The Predators

1975-12-02

11

Marmosets

1975-11-25

10

Zoo Medicine

1975-11-18

9

Waterfowl

1975-11-11

8

Pheasants and Peacocks

1975-11-04

7

Orangutans

1975-10-28

6

Lemurs

1975-10-21

5

The Staff

1975-10-14

4

Gorillas

1975-10-07

3

Host Gerald Durrell explains his zoo which concentrates on the rare, obscure and often ugly creatures which are in danger of becoming extinct.

1975-09-30

2

A Day at the Zoo

1975-09-23

1

Breeding

1975-09-16