i PROCEEDINGS OF THE ECS WORKSHOP FROM NATURE TO SCIENCE: SCIENTIFIC ILLUSTRATION ON MARINE MAMMALS THROUGHOUT THE CENTURIES. OLD CHALLENGES AND NEW PERSPECTIVES Held at the European Cetacean Society’s 27 th Annual Conference Setúbal, Portugal, 6 th April 2013 © Fernando Correia (dbio/University of Aveiro). ALL RIGHTS RESERVED Editors: Ana Cristina Roque and Andrew J. Wright ECS SPECIAL PUBLICATION SERIES NO. 56 November 2013