Nature

The Flight of the Condor: Ice, Wind, and Fire

1982-10-10

The Flight of the Condor: Ocean, Desert, and Thin Air

1982-10-17

The Flight of the Condor: Down the Amazon

1982-10-24

Amate: The Great Fig Tree

1982-10-31

On the Edge of Paradise

1982-11-14

Forest in the Clouds

1982-11-21

The Discovery of Animal Behavior: Natural Mysteries

1982-11-28

The Discovery of Animal Behavior: In Praise of God

1982-12-05

The Discovery of Animal Behavior: Search for the Mind

1982-12-12

The Discovery of Animal Behavior: A Question of Learning

1982-12-19

The Discovery of Animal Behavior: Signs and Signals

1982-12-26

The Discovery of Animal Behavior: Living Together

1983-01-02