What is the nature of animal language? During the first half of this century, Karl Von Frisch deciphered the code of honey bees' dance and Niko Tinberbergen devised tests to show the significance of signals displayed when fish and birds communicate among themselves. This film looks at their work and reconstructs experiments.
| Camera: | Jim Saunders |
| Camera: | Hugh Miles |
| Director: | John Sparks |
| Dubbing: | Alec Brown |
| Dubbing: | Andy Nelson |
| Editor: | Ron Martin |
| Music: | Edward Williams |
| Narrator: | Andrew Sachs |
| Producer: | John Sparks |
| Production Organisation: | BBC - Natural History Unit |
| Script: | John Sparks |
| Sound: | Lyndon Bird |
| Sound: | John Kirby |
