(Plates 9-1i) W E are fortunate to be able to publish this month photographs from Hungary of the Mediterranean Black-headed Gull (Larus melanocephalus) taken by D r . Peter Beretzk of the University of Szeged. D r . Beretzk has also been kind enough to give us some details of the discovery and history of the breeding of this bird in Hungary, which represents a considerable extension of its räng...

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