13th, 1951, Campbell Ballantyne told G. E. Wooldridge of two warblers that he had been watching that morning. Although obviously warblers their identity was puzzling. He gave a fairly full description of the birds seen, the most striking feature being, "very dark brown head with white eyestripe". He had been first attracted by their call, a Stonechat-like " t a c - t a c " which he considered an unusu...
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