Why is New Zealand's landscape and flora and fauna so unique? In four-part series Moa's Ark, renowned English naturalist David Bellamy, with his impassioned enthusiasm and trademark beard (of "old man's beard must go" fame) goes on a journey to discover the answer. Directed and produced by Peter Hayden, this 1990 TV series was produced by Television New Zealand's award-winning Natural History Unit (now independent production company NHNZ). Read more about the series here.