Featuring updated data for this second edition, this is a field guide to the tracks and signs of European birds. It covers tracks, trails, nests, roosts, feedin... » 

Featuring updated data for this second edition, this is a field guide to the tracks and signs of European birds. It covers tracks, trails, nests, roosts, feeding and behavioural signs, pellets, droppings, and feathers and skulls, with illustrations showing the signs as they appear in the field. «