Masked Monkeys
Punkish crests, bandit masks and orange noses are the disguises of guenons - an extraordinary group of African forest monkeys.
Intriguingly, their colourful faces and rumps and their haunting trills and hoots are an evolutionary puzzle.
Theirs was an ancient take-over bid for the tree-tops of Africa's tropical forest.
But who is really top of the primate tree - them or us? Artist and zoologist
Jonathan Kingdon looks at the forest monkeys and apes, including the chimpanzee, and unravels the mystery of who comes first.
Photography RICHARD GANNICLIFFT FUm editor COUN CRADOCK
Film sound editor ALEC BROWN Producer CAROUNE WEAVER Series editor PETER JONES BBC Bristol
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