The ringer's bible, completely revised and updated to include 229 species, with valid subspecies, of passerines regularly occurring in Europe, plus some rare vagrants. Data include wing formulae, measurements, plumage, and other criteria for determining sex and age. Also includes indices of English, Finnish, French, German and Swedish names. An invaluable text for any ringer or keen birder.
"[...] an excellent book."
– Jon King, IBIS