05:58Tweet of the DayNorthern WheatearBBC Radio 4 Duration: 1 minute Tue 5th Aug 2014, 05:58 on BBC Radio 4 LWAvailable for over a yearListen nowMichaela Strachan presents the story and sound of the northern wheatear. Show more GenresFactualScience & NatureBrandTweet of the Day Source: BBC Online