Short-toed Eagle, by Ivaylo Zafirov
By Tanyo Michev, Lyubomir Profirov, Konstantin Nyagolov and Milko Dimitrov The results of a survey of the autumn migration of soaring birds via the western Black Sea migration route ('Via Pontica'), at Bourgas Bay, Bulgaria, are presented here, for five species of waterbird and 33 species of raptor. Tanyo Michev and his colleagues report the results of visu...

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