@Lophophanes I guess it depends where those South African WWs breed. Not north-east Russia, assuming the three birds above are representative. Nor Denmark based on this: https://t.co/PQ16obKqFw
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CMEC PAPER w Lerche-Jørgensen @Kasper_Thorup on the link between breeding and wintering ecology in migratory birds https://t.co/rQUpqVUlfk
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RT @tomfinch89: New #ornithology from @BirdMigrLab. Danish Willow Warblers spread across West Africa after funneling through Iberia https:/…
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RT @IBIS_journal: Danish Willow Warblers migrate to Africa via Iberia then winter across entire northern African savannah https://t.co/sqQv…