Publication
Coming down from the trees: Is terrestrial activity in Bornean orangutans natural or disturbance driven?
Marc Ancrenaz, Rahel Sollmann, Erik Meijaard, Andrew J. Hearn, Joanna Ross, Hiromitsu Samejima, Brent Loken, Susan M. Cheyne, Danica J. Stark, Penny C. Gardner, Benoit Goossens, Azlan Mohamed, Torsten Bohm, Ikki Matsuda, Miyabi Nakabayasi, Shan Khee Lee, Henry Bernard, Jedediah Brodie, Serge Wich, Gabriella Fredriksson, Goro Hanya, Mark E. Harrison, Tomoko Kanamori, Petra Kretzschmar, David W. Macdonald, Peter Riger, Stephanie Spehar, Laurentius N. Ambu, Andreas Wilting
Scientific Reports, February 2014, Springer Science + Business Media
DOI: 10.1038/srep04024