05:58Tweet of the DayVampire FinchBBC Radio 4 Duration: 2 minutes Fri 30th Oct 2015, 05:58 on BBC Radio 4 LWAvailable for over a yearListen nowMiranda Krestovnikoff presents the blood sucking vampire finch. Show more GenresFactualScience & NatureBrandTweet of the Day Source: BBC Online