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Title: The status and breeding biology of marsh harrier Circus aeruginosus and Montague's harrier Circus pygargus in Britain since 1900.
Author: Underhill-Day, John Christopher.
Awarding Body: Council for National Academic Awards
Current Institution: Open University
Date of Award: 1990
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No abstract available
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Ecology Ecology Zoology