Circadian long call distribution in wild orangutans
We present first data on circadian long call distribution of wild orangutans in Northwest Borneo. Data were collected during two months in Batang Ai National Park. A total of 151 male long calls were heard, exhibiting a bimodal distribution pattern with peaks at 05:00-06:00 hours and 18:00-19:00 hou...
| Published in: | Revue de Primatologie |
|---|---|
| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
Société Francophone de Primatologie
2009-10-01
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| Subjects: | |
| Online Access: | https://journals.openedition.org/primatologie/219 |