This work looks in detail at all aspects of bird behaviour, ecology, taxonomy and conservation, considering each of the 80 American bird families in turn. The introductory sections cover ecological and biological concepts such as anatomy, aerodynamics, evolution, migration and habitats. The Sibley Guide to Bird Life and Behaviour - David Sibley od authora David Sibley a nakladatelství za skvělé ceny na e-shopu Martinus. cz.