Stunningly illustrated with colour photographs throughout, this is the first popular guide to these instantly recognisable creatures. Drawing on their vast experience, the authors provide an illuminating insight into the lives of these unusual animals, their distinguishing features, distribution and...

Stunningly illustrated with colour photographs throughout, this is the first popular guide to these instantly recognisable creatures. Drawing on their vast experience, the authors provide an illuminating insight into the lives of these unusual animals, their distinguishing features, distribution and natural history.