Winter Occupation of Breeding Territories and Winter Diet of Peregrines in South Scotland

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Abstract
Most of the peregrine territories which were visited in winter showed some signs of recent occupation. Pairs or single peregrines were seen at about half of the inland territories and at about a third of coastal territories. More single females than single males were seen. No 1st-yr birds were seen at breeding sites in the winter. All 1st-yr birds recovered dead, from Aug.-Feb., were on low ground (below 250 m a.s.l. [above sea level]) and most winter sightings on low ground were of juveniles. Inland peregrines fed mainly on passerines (71%), especially redwings and fieldfares (45%). Coastal peregrines fed mainly on pigeons (30%) and passerines (45%) but took a smaller proportion of wintering thrushes.

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