Letters

Lanceolated Warblers and vagrancy patterns

Commenting on the records of Lanceolated Warblers Locustella lanceolata at Fair Isle (Shetland) on 22nd September 1973 and Out Skerries (also Shetland) on the same date, following one on Fair Isle on igth-aist September 1972, the 'Report on rare birds in Great Britain in 1973' states 'Three in two years is quite exceptional for this species which is an er

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