The file comprises draft and printed articles, notes, species lists, survey sheets, radio and television scripts, questionnaires, press cuttings, maps and correspondence relating to wildlife in general and British mammals, particularly badgers, bats, dormice, otters, polecats and pine martens, rabbits and hares, seals and squirrels. Amongst the correspondents supplying Condry with relevant information about these mammals are Biblos' [E. H. T. Bible], G. C. S. Ingram,Bob' Owen of Croesor, J. H. Owen, Iorwerth C. Peate, Jack [Grasse], Arthur Brook, Frances Pitt and [H. R. H.] `Taff' [Vaughan].

The file includes material on badgers; the ecology of railways, mainly relating to plants; and National Nature Week; one programme features Evan Roberts as a guest speaker.