Deerstalker and wildlife manager Niall Rowantree talks to deer biologist Professor Rory Putman about the remarkable sika deer, as part of our filming of the Year in the Life of Sika. Rory explains why sika are so successful when reds struggle, how their range is increasing and why they are so difficult, in fact now impossible, to get on top of. They discuss hybridisation, rewilding, and the idea of introducing wolves and lynx to control deer, which Rory regards as fantasy.

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For A Year in the Life of Sika, go to FieldsportsChannel.tv/yearinthelifeofsika

This series is supported by Blaser, Hornady and HIKMicro