6-Methods and Tools
TERRY GOMPERTZ talks about her methods of studying Great Tits with recorded illustrations of 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 observations and experiments that have added to bird migration knowledge
Introduced by JOHN CARTHY of Queen Mary College,
University of London
(The recorded broadcast of June 29, in Network Three)