05:58Tweet of the DayRuth Cromie on the EiderBBC Radio 4 Duration: 2 minutes Thu 8th Dec 2022, 05:58 on BBC Radio 4 FMAvailable for over a yearListen nowRuth Cromie of the Slimbridge Wetland Centre on the eider duck. Show more GenresFactualScience & NatureBrandTweet of the Day Source: BBC Online