8. LETTER TO THE EDITOR Dear Sir, STUDY OF THE KESTREL - BIOLOGICALLY AND ECOLOGICALLY This is an appeal for Kestrel casts (pellets) to analyse and determine their diet. Large numbers of pellets are needed to provide reasonable data, over the next 18 months. People who could help please contact me at Redbridge Technical College, Little Heath, Romford, Essex (Biology Dept.) or tel: 01- 599-5231 Ext. 49. This work is for a project for the finals of my B.Sc. Life Science being read at the North East London Polytechnic and this data will be correlated to the National Survey of Kestrels which is in operation at the present time. The final product could help people to understand this bird in more detail biologi- cally and ecologically. Although kestrels seem to be on the increase, certain amounts of this data could be applied to other rarer birds of prey, with the hope that they will eventually become a more common sight in the environment. To be useful, all