Explore the wonders of the avian world with this comprehensive and fully illustrated guide to every aspect of bird life. From anatomy, plumage, calls and songs to breeding, migration, flight and feeding, Birds explains all of the significant elements of bird biology and behaviour. Expert ornithologist Jonathan Elphick, begins by defining the distinguishing features of birds before going on to describe their evolution since the age of the dinosaurs. He then explores in greater detail each of the significantelements of bird life: bird biology including anatomy, walking and swimming, plumage, calls and songs; flight techniques and styles; food and feeding; breeding, growth and development; and the mysteries of migration. He also considers human attitudes towards birds through the ages.