IPS title
 
 
     
  Publications  
     
 
  1. Ostner J & Kappeler PM (1999) Central males instead of multiple pairs in redfronted lemurs, Eulemur fulvus rufus (Primates, Lemuridae)? Animal Behaviour 58, 1069-1078 [pdf]
  2. Ostner, J , Schülke, O, Zinner, D (1999) Der Trockenwald West-Madagaskars [The dry-forest of western Madagascar]. Zeitschrift des Kölner Zoo 42, 125-142
  3. Schülke, O & Ostner, J (2001) Predation on Lepilemur by the Harrier Hawk and implications for sleeping site quality. Lemur News 6, 5
  4. Zinner D, Ostner J, Dill A, Razafimanantsoa L & Rasoloarison R (2001) Results of a reconnaissance expedition in the western dry forests between Morondava and Morombe. Lemur News 6, 16-18
  5. Ostner J (2002) Social thermoregulation in redfronted lemurs ( Eulemur fulvus rufus). Folia Primatologica 73, 175-180 [pdf]
  6. Ostner J , Kappeler PM & Heistermann M (2002) Seasonal variation and social correlates of androgen excretion in male redfronted lemurs ( Eulemur fulvus rufus). Behavioral Ecology and Sociobiology 52, 485-495 [pdf]
  7. Ostner J (2003) Sex-specific reproductive strategies of redfronted lemurs (Eulemur fulvus rufus, Primates, Lemuridae). Dissertation, University of Würzburg. http://opus.bibliothek.uni-wuerzburg.de/opus/volltexte/2003/501/
  8. Ostner J & Heistermann M (2003) Endocrine characterization of female reproductive status in wild redfronted lemurs ( Eulemur fulvus rufus). General and Comparative Endocrinology 131, 274-283 [pdf]
  9. Ostner J , Heistermann M & Kappeler PM (2003) Dominant females, masculinized genitals and prenatal steroids: comparative data from lemurid primates. Naturwissenschaften 90, 141-144 [pdf]
  10. Ostner J & Kappeler PM (2004) Male life history and unusual sex ratio of redfronted lemur, Eulemur fulvus rufus, groups. Animal Behaviour 67, 249-259 [pdf]
  11. Ostner, J , Borries, C, Schülke, O & Koenig, A (2005). Sex allocation in a colobine monkey. Ethology 111, 924-939 [pdf]
  12. Schülke, O & Ostner, J (2005) Big times for dwarfs – social evolution, sexual selection and cooperation in Cheirogaleids. Review article Evolutionary Anthropology 2005, 14, 170-185 [pdf]
  13. Ostner J , Chalise MK, Koenig A, Launhardt K, Nikolei J, Podzuweit D & Borries C (2006) What males know about female reproductive status. American Journal of Primatology 68, 701 -712 [pdf]
  14. Ostner, J (2006) Quick Guide: Macaques. Current Biology 16, R569-570 [pdf]    
  15. Schülke O & Ostner J (2007) Physiological ecology in cheirogaleids: Hibernation and torpor. Acta Ethologica 10: PDF Download
  16. Ostner J , Kappeler P & Heistermann M (2007) Androgen and glucocorticoid levels reflect seasonally occurring social challenges in male redfronted lemurs (Eulemur fulvus rufus). Behavioral Ecology and Sociobiology PDF Download
  17. Schülke O & Ostner J (in review) Male reproductive skew, paternal relatedness and female social relationships.
  18. Ostner J, Nunn C & Schülke O (in review) Female reproductive synchrony predicts skewed paternity across primates.
  19. Schülke O, Pesek D, Whitman B & Ostner J (in review) Ecology of Assamese macaques (Macaca assamensis) at Phu Khieo Wildlife Sanctuary
  20. Richter C, Mevis L, Malavijitnond S, Schülke O & Ostner J (in review) Social relationships of free-ranging male stumptail macaques (Macaca arctoides)
 
 
 
 
 
  Conference Contributions and Invited Talks  
     
 
2007

Training Workshop on Primate Ecology and Conservation, Phu Khieo, Thailand, invited talk
“Studying Assamese macaques (Macaca assamensis) at Phu Khieo Wildlife Sanctuary”

2nd Meeting of the European Federation for Primatology, Prag, Czech Republic
“Social relationships among Assamese macaque males”

6th Göttinger Freilandtage, Göttingen, Germany
“Causes and consequences of reproductive skew among primates”

 
2006

Zoological Colloqium, University of Leipzig, invited talk,
“Intrasexuelle Konkurrenz und sexueller Konflikt bei Primaten”

Tours , France , 11th Congress of the International Society for Behavioral Ecology
“Conflicting mating strategies of male and female Hanuman langurs (Semnopithecus entellus)”

Leipzig , Germany , 10th Conference of the Gesellschaft für Primatologie,
“Reproductive skew in male primates: a comparative study of paternity”
“Natural history of Assamese macaque (Macaca assamensis) in their natural habitat”

Symposium Verhaltensökologie, University of Leipzig, Germany
“Integrative Sozioökologie der Primaten”

Anthropological Colloquium, University of Zurich, invited talk,
“Social Relationships and Sexual Competition in Primates”

Meeting of the Ethological Society, Bielefeld
“Sex allocation and maternal investment in a colobine monkey”

 
2005
Bonn, Alexander von Humboldt Foundation, invited talk
“Dual career in the US and Germany”
Göttingen/Germany, 9th Conference of the German Primatological Society
“Aggression, stress and steroids - testing the “Challenge Hypothesis” in redfronted lemurs”
University of Calgary, Dept. of Anthropology, invited talk
“Sexual conflict in lemurs and langurs”
University of Calgary, Dept. of Anthropology, invited talk
“Hormonal analyses in primate behavior”
Roehampton University, Center for Research in Evolutionary Anthropology, invited talk
“Intrasexual competition and intersexual conflict”
 
2004
Yale University, Anthropological Colloquium, invited talk
“Sexual conflict in lemurs and langurs”
Torino/Italy, Meeting of the International Primatological Society, invited talk
“How to achieve paternity in Hanuman langur multimale groups?”
Hamburg/Germany, Zoological Institute, invited talk
“Reproduction in context: Ecological and social influences on reproductive strategies and reproductive physiology of nonhuman primates”
Tampa/USA 73rd Meeting of the American Association of Physical Anthropologists
“Differential maternal investment and sex allocation in wild Hanuman langurs”
 
2003
Berlin/Germany, Annual Meeting of the German Zoological Society
“Fast life-history, joint take-over, and the evolution of the unusual sex ratios in redfronted lemur (Eulemur fulvus rufus) groups
 

2002

Göttingen/Germany, 5th International Kirindy Symposium
“Data dropping out of the trees: how hormonal analysis from fecal samples can enhance our understanding of redfronted lemur reproductive strategies“
Göttingen/Germany, 15th Congress of the Society for Tropical Ecology
„Unusual sex ratio and male life-histories in redfronted lemur groups“
 
2001
Göttingen/Germany, 3rd Göttinger Freilandtage
„Unusual sex ratio and male life-history in redfronted lemur groups“
Zurich/Switzerland, 7th Congress of the German Primatological Society
„Determinants of group composition in redfronted lemurs (Eulemur fulvus rufus)“
Stony Brook University, Behavioral Ecology Group, invited talk
“Redfronted lemurs - Just small anthropoids?”
 
2000
London/UK, Congress of the European Federation for Primatology
„Why live with many males? The case of Eulemur fulvus rufus
Göttingen/Germany, 4th International Kirindy Symposium
„Causes and consequences of unusual sex ratios in redfronted lemur groups“
Zurich/Switzerland, 8th Congress of the International Society for Behavioral Ecology
„Possible benefits for females from a high number of males in redfronted lemur groups“
 
1999
Munich/Germany, Graduate-Meeting of the German Zoological Society
„Activityrhythm, social and mating system of a cathemeral lemur (Eulemur fulvus rufus)“
 

1998

Monterey/USA, 7th Congress of the International Society for Behavioral Ecology
„The impact of cathemerality on the social system of wild redfronted lemurs (Eulemur fulvus rufus)“
Göttingen/Germany, 3th International Kirindy Symposium
„Activity period and lemur social systems - special relationships in the cathemeral Eulemur fulvus rufus?“