Main content
Dragonfly numbers 'decreasing'
Canal & River Trust ecologist Dr Mark Robinson discusses dragonfly numbers
Duration:
This clip is from
Featured in...
![]()
Science and Nature clips
Listen to a selection of clips from recent and upcoming programmes.
More clips from 04/04/2014
![]()
Pixar president: Organisations ‘prevent creativity’
Duration: 05:53
More clips from Today
![]()
Chris Mason: Burnham's plan for 'No 10 North'
Duration: 05:08
![]()
Cumberbatch on climate change: 'We're in this together'
Duration: 06:22
![]()
The largest ever Spanish language shows in UK history
Duration: 03:45
![]()
Council wins legal battle over flags on lampposts
Duration: 04:37
