'FOR some obscure reason the Glaucous Gull (Lams hyperboreus) became comparatively numerous in Shetland waters during the winters of the late war. Since then its numbers have dropped back to the normal few. Whatever was the reason for this fluctuation, the status of the Iceland Gull (Larus glaucoides) was not affected by it. This gull has ever been a scarce winter visitor to Shetland and occasiona...

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