Portugal is still one of the least explored countries in Europe and a visit to any part may be most rewarding. Nevertheless, until my experiences of the last few years, I would not have chosen to go there to study and photograph the Great Bustard Otis tarda. Indeed, Bannerman (1962: 41) commented: 'Mr. Eric Flower writes under date 19th September, i960 that he would not put the whole population in ...

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