William Collins 1979 Seabirds lead a special grace to New Zealand's coasts and estuaries, but they also pose special problems to the birdwatcher. Many of the species are extremely difficult to distinguish one from another, and the beginner needs expert visual guidance if he or sheis to be certain of identification. These beautiful paintings are posed and grouped in order to show their essential differemces. The text describes characteristic patterns of flight and behaviour that will aid recognition when, for example, distance or bright light make it impossible to discern differences in shape and plummage...
Second hand Hardback