Willow Warblers pass through Manlleu and Besalú
s were recorded in the region on 2026-09-19 at Manlleu and on 2026-09-17 near Besalú.1 These small warblers breed in northern Europe and winter in sub-Saharan Africa, passing through the Mediterranean in autumn primarily during August, September and October.2 Their presence in mid-to-late September marks the core of their autumnal migration window through Mediterranean forests, where they pause to refuel on insects before continuing to Africa.1
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