Plate 41 In May 1968 I came upon a small population of Audouin's Gulls Larus audouinii in Majorca. I was able to distinguish at least 15 individuals from plumage records (mainly drawings and photographs) and no less than ten were present on 16th May; I estimated that, in all, there were at least 20 individuals. Most of my observations involved single birds, couples or small parties patrolling the b...

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