The fourth of ten weekly programmes looking at wildlife, and the issues affecting the living world, with Tony Soper , Jeremy Cherfas and Dodo Humphreys
Every winter flocks of wildfowl fly south to our shores - many are protected, but how effective is the law and can it be enforced?
TONY SOPER visits the Western Isles for a firsthand report. And JEREMY CHERFAS investigates Kip-ling's original story as to why the zebra has stripes.
Producer ROBIN HELLIER Editor John sparks BBC Bristol