Aerial surveys give new estimates for orangutans in Sabah, Malaysia.

by Marc Ancrenaz, Olivier Gimenez, Laurentius Ambu, Karine Ancrenaz, Patrick Andau, Benoît Goossens, John Payne, Azri Sawang, Augustine Tuuga, Isabelle Lackman-Ancrenaz
Published 2005-01-01