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A study in the years 1978-1982 and 1992 took place in 11 towns covering 263km² and 6 areas of farmland covering 560km². Magpies were found to inhabit all of the towns in the 1970s and 1980s, at population densities ranging from 0.05-3.1 pairs/km² (mean 1.5). Mean breeding densities were 3.6 and 0.9 pairs/km² in urban and suburban areas respectively. In the years to 1992 the breeding population in...
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