The warbler in last month's puzzle (plate 140, repeated here) has several eye-catching features. The supercilium is short and pointed, and there is a broad pale crescent below the eye: the pattern is distinctive, and could be shown only by Cetti's Warbler Cettia cetti or one of the Locustella warblers. The tail is short and stumpy, with long undertail coverts, a good point in favour of Locustella. W
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