Breeding success of Red-throated Divers on Hascosay

The note by D. P. Cyrus on the breeding success of Red-throated Divers Gavia stellata on Fetlar, Shetland, in 1971 {Brit. Birds, 68: 75-76) prompts me to record the following. B. Hawkes and I were on Hascosay, Shedand, from 3rd to 10th June 1975 and we located a total of nine pairs. This represents the maximum breeding population that the isla


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