Many warblers are notoriously difficult to identify in the field (and even in the hand!) and, until now, there has been no definitive guide to the species of th

A reference to warblers in Europe, Asia and North Africa, illustrated in colour, perched and in flight with distribution maps, geographical variations of subspe

An identification guide covering all the bird species to have occurred in the European region. Birding is one of the most popular activities and pastimes in Eur

For centuries biologists have tried to understand the underpinnings of avian migration: where birds go and why, why some migrate and some do not, how they adapt