05:58Tweet of the DayMadagascar Harrier-hawkBBC Radio 4 Duration: 1 minute Fri 27th Nov 2015, 05:58 on BBC Radio 4 FMAvailable for over a yearListen nowChris Packham presents the Madagascan Harrier-hawk from Madagascar. Show more GenresFactualScience & NatureBrandTweet of the Day Source: BBC Online