A colleague shared their copy of Brian Vesey-Fitzgerald's 1946 New Naturalist book on British Game. It is a fascinating book, written by "a countryman of wide experience, a wild-fowler, Vice-President of the Gamekeepers Association, a friend of gipsies [sic] and we suspect of poachers".
In it, there is a chapter called "Enemies of Game". Here he describes a range predators from eagles to crows…