Episode 4

Iolo Williams explores the wildlife of Anglesey. Wales' largest island is renowned for its coastal beauty, but it also has stunning fenland and rich surrounding sea full of terrific wildlife. In this episode, Iolo heads out to sea to look for Risso's dolphins. Underwater, an artificial reef has formed from an old shipwreck. He finds roosting bats at an old priory; dragonflies and beautiful rare plants on Anglesey's fens. On the Alaw estuary, he gets a rare sight of a merlin - Britain's smallest bird of prey. Also Brent geese which have flown all the way from Canada to overwinter on Anglesey.