A VERY similar " hold-up" of small passerines to that recorded on the Norfolk coast in early May, 1936, by Mr. R. M. Garnett (antea, pp. 58-59) was noted at several places in Scotland at about the same time.An unusual" hold-up " of passerines occurred from May 6th to 10th, after which numbers fell rapidly. Pied Flycatchers (Muscicapa h. hypoleuca) and Redstarts (Phcenicurus ph. phcenicurus) mentioned ...

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