Pongo Foundation, Orangutan Conservation and Research
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Press
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Scientific publications by members of the foundation on orangutan's behaviour and conservation:


Hardus, Lameira, van Schaik, Wich (2009)
Tool use in wild orang-utans modifies sound production: a functionally deceptive innovation?
Proceedings of the Royal Society of London B, 276, 3689–3694
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Wich, Swartz, Hardus, Lameira, Stromberg, Shumaker (2009)
A case of spontaneous acquisition of a human sound by an orangutan.
Primates, 50, 56–64.


Hardus
, Lameira, Singleton, Morrogh-Bernard, Knott, Ancrenaz, Utami, Wich (2009)
A Description of the Orangutan's Vocal and Sound Repertoire, with a Focus on Geographic Variation.
In "Orangutans", edited by Wich, Mitra-Setia, Utami, van Schaik, Oxford University Press

van Noordwijk, Sauren, Nuzuar, Abulani, Morrogh-Bernard, Utami, van Schaik (2009)
Development of Independence, Sumatran and Borneo Orangutans Compared.
In "Orangutans", edited by Wich, Mitra-Setia, Utami, van Schaik, Oxford University Press

Delgado, Lameira, Davila Ross, Husson, Morrogh-Bernard, Wich (2009)
Geographic Variation in Orangutan Long Calls.
In "Orangutans", edited by Wich, Mitra-Setia, Utami, van Schaik, Oxford University Press

Lameira & Wich (2008)
Orangutan Long Call Degradation and Individuality over Distance: a Playback Approach.
International Journal of Primatology, 29, 615-625
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