Rob Hume's RSPB field guide Birds of Britain and Europe
(DK 2006) says: "FEEDING Eats dead aninals such as rabbits or sheep; catches birds up to crow or gull size in surprise dash; also feeds on insects, earthworms or voles."
Perhaps they could have a go at over-abundant magpies?
The introduced birds also came from Sweden and Germany. Good numbers in Wales too now helped by feeding-stations, such as the one near Rhayader. They were down to a handful of indigenous pairs at one time - don't know whether they've mixed with the introduced population.
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