Blue duck populations may not always be limited to the territory where they are born, according to Dr Tania King of Massey University. DNA analysis of birds in the central North Island reveals some movement, between some rivers with too many birds, and those with spare habitat.
GORDON ELL, BUSHFILMS
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Forest and Bird, Issue 292, 1 May 1999, Page 6
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50Blue duck populations may not always be limited to the territory where they are born, according to Dr Tania King of Massey University. DNA analysis of birds in the central North Island reveals some movement, between some rivers with too many birds, and those with spare habitat. GORDON ELL, BUSHFILMS Forest and Bird, Issue 292, 1 May 1999, Page 6
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