08:58Tweet of the DayAdelie PenguinBBC Radio 4 Duration: 2 minutes Sun 18th Jan 2015, 08:58 on BBC Radio 4 LWAvailable for over a yearListen nowLiz Bonnin presents the adelie penguin on a windswept Antarctic shore. Show more GenresFactualScience & NatureBrandTweet of the Day Source: BBC Online