Abstract

ed all such records from the first 32 volumes of British Birds: the sole entry under Fieldfares (Turdus pilaris) was of a single bird eating gooseberries in August (Frohawk, 1907). The Handbook quotes estimates of the proportions of different foods in the dietaries of certain species. Many, though not all, of these records are based on the work of the late Dr. W . E . Collinge (1924-27), whose approach was dominated by " e c o n o m