- Neumann C.; Duboscq J.; Dubuc C.; Ginting A.; Irwan A. M.; Agil M.,
Widdig A.; Engelhardt A.: Assessing dominance hierarchies: validation and
advantages of progressive evaluation with Elo rating. Animal Behaviour, under review.
- Palacios,J.F.G.; Engelhardt, A.; Agil, M.; Hodges, J.K., Bogia, R.; Waltert, M. (2011): Population
status of crested black macaques (Macaca nigra) in the Tangkoko Nature Reserve, Sulawesi,
Indonesia, Oryx, in press.
- Girard-Buttoz, C.; Higham, J.; Heistermann, M.; Wedegärtner, S.; Maestriperi, D.; Engelhardt,A.
(2011): Urinary C-peptide measurement as a marker of nutritional status in macaques, PLoS One,
in press.
- Neumann, C.; Assahad, G.; Hammerschmidt, K.; Farajallah, D.P.; Engelhardt, A. (2010):
Loud calls in male Macaca nigra – a signal of dominance in a
tolerant primate species. Animal Behaviour 79: 187-193.
- Duboscq, J.; Perwitasari-Farajallah, D.; Engelhardt, A. (2009): Social Interactions between
Females in Wild Crested Macaques, Macaca nigra”, Folia Primatologica, 80, 157.
- Engelhardt, A.; Heistermann, M.; Perwitasari-Farajallah, D. (2009): Sex skin colouration in male Sulawesi
crested black macaques (Macaca nigra), Primate Eye, 96, 337.
- Neumann, C.; Assahad, G.; Hammerschmidt, K.; Perwitasari-Farajallah, D. ; Engelhardt, A. (2009): Male Sexual
Signals in Crested Macaques (Macaca nigra)”, Folia Primatologica, 80, 131–2.
- Assahad, G.; Neumann, C.; Hammerschmidt, K.; Farajallah, D.P.; Engelhardt, A. (2008): Rank dependant
differences in loud call frequency and structure in Sulawesi crested black macaques (Macaca nigra). Folia
Primatologica, 79, 311.
- Duboscq, J.; Neumann, C.; Perwitasari-Farajallah, D.; Engelhardt, A. (2008): Daytime birth of a baby crested
black macaque (Macaca nigra) in the wild. Behavioural Processes 79: 81–84.
- Engelhardt, A.; Perwitasari-Farajallah, D. (2008): Reproductive biology of Sulawesi crested black macaques
(Macaca nigra). Folia Primatologica, 79, 326.
- Neumann, C.; Assahad, G.; Hammerschmidt, K.; Farajallah, D.P.; Engelhardt, A. (2008): Individual and
contextual differences in loud calls of male crested black macaques, Macaca nigra. Folia Primatologica, 79, 366.
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