Seven programmes in which professional and amateur zoologists talk about the behaviour of animals and the ways in which it can be studied.

Terry Gompertz talks about the methods she has used in a study of individual Great Tits in her garden, with recorded illustrations of the songs

Desmond Morris of the Zoological Society of London explains how to make a 'territorial map' of sticklebacks in an aquarium tank

G.V.T. Matthews of the Wildfowl Trust, Slimbridge, describes some of the many observations and experiments that have added to our knowledge of bird migration

Introduced by John Carthy of Queen Mary College, London

A booklist and some suggestions for further study can be obtained by sending a stamped addressed envelope to [address removed]