Mirrored sequences of colonisation and abandonment by pairs of Golden Eagles Aquila chrysaetos
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Watson, Adam
Rae, Stuart
Payne, Sandy
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Birdlife Finland
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We report colonisation by extra breeding pairs of Golden Eagles, and subsequent abandonments, in part of northeast Scotland during 1895-1985. Thenumber of pairs rose from three in 1895-1937 to eight by 1948, and then fell to four during 1959-71 in reverse of the colonisation sequence. This fits the concept of hierarchic quality of habitat used, or of bird quality. Possible mechanisms to explain this are discussed.
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Ornis Fennica
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2037-12-31
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