Chris Skinner and Matthew Gudgin begin the episode by greeting a flock of woodpigeon in the Oat Field. They dwell on fluctuations of biodiversity in the UK in response to species being introduced to this country. The pair manage to disturb a flock of redwings before observing the still fog down by the woodland to look for female winter moths. Chris explains the short life span of these females and how they attract males before climbing up to the top of tree to the buds.In listener questions w...