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

Richard Mearns
Ornis Scandinavica (Scandinavian Journal of Ornithology)
Vol. 13, No. 1 (Apr., 1982), pp. 79-83
Published by: Wiley on behalf of Nordic Society Oikos
DOI: 10.2307/3675978
Stable URL: http://www.jstor.org/stable/3675978
Page Count: 5
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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 first year birds were seen at breeding sites in the winter. All first year birds recovered dead, from August to February, were on low ground (below 250 m a.s.l.) 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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