Declining orangutan encounter rates from Wallace to the present suggest the species was once more abundant.

Declining orangutan encounter rates from Wallace to the present suggest the species was once more abundant.

<h4>Background</h4>Bornean orangutans (Pongo pygmaeus) currently occur at low densities and seeing a wild one is a rare event. Compared to present low encounter rates of orangutans, it is striking how many orangutan each day historic collectors like Alfred Russel Wallace were able to sho...

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Bibliographic Details
Main Authors: Erik Meijaard, Alan Welsh, Marc Ancrenaz, Serge Wich, Vincent Nijman, Andrew J Marshall
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2010-08-01
Series:PLoS ONE
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20711451/pdf/?tool=EBI

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