08:58Tweet of the DayDavid Salmon on the WoodlarkBBC Radio 4 Duration: 1 minute Sun 4th Jun 2017, 08:58 on BBC Radio 4 LWAvailable for over a yearListen nowDavid Salmon of the Slimbridge Wetland Centre on the song of the woodlark. Show more GenresFactualScience & NatureBrandTweet of the Day Source: BBC Online