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Ebenau A, Nadler T, Zinner D, Roos C (2011)
Genetic population structure of the critically endangered Delacour's langur (Trachypithecus delacouri) in Van Long Nature Reserve, Vietnam
Vietnamese Journal of Primatology 1(5): 1-15 

Ey E, Fischer J (2011) 
Keeping in Contact: Flexibility in Calls of Olive Baboons
In: V Sommer, C Ross (eds) Primates of Gashaka Socioecology and conservation in Nigeria's biodiversity hotspot Series: Developments in primatology: progress and prospects. 
Springer, New York, pp 413-436

Fischer J (2011)
Zum Ursprung der menschlichen Sprache - Eine evolutionsbiologische Perspektive
In: Eva-Maria Neher (ed) Aus den Elfenbeintürmen der Wissenschaft 5: XLAB Science Festival. 
Wallstein Verlag, Göttingen, pp 15-38

Fischer J (2011) 
In: MJ Hartung, T Kerstan (eds) Studium Generale - 100 Begriffe, die man kennen muss. 
Piper, München, Zürich, pp 170-171

Fischer J (2011) 
Where is the Information in Animal Communication?
In: R Menzel, J Fischer (eds) Animal Thinking: Contemporary Issues in Comparative Cognition. 
MIT Press, Cambridge, pp 151-161   - open pdf -   - Ernst Strüngmann Forum -   - The MIT Press - 

Fischer J, Hammerschmidt K (2011)
Ultrasonic vocalizations in mouse models for speech and socio-cognitive disorders: insights into the evolution of vocal communication
Genes, Brain and Behavior 10(1): 17-27   - open access -

Fischer J, Semple S, Fickenscher G, Jürgens R, Kruse E, Heistermann M, Amir O (2011)
Do Women’s Voices Provide Cues of the Likelihood of Ovulation? The Importance of Sampling Regime
PLOS ONE 6: e24490   - open access -

Fischer J, Zinner D (2011) 
Communicative and cognitive underpinnings of group movement in nonhuman primates
In: M Boos, M Kolbe, T Ellwart, PM Kappeler (eds) Coordination in human and non-human primate groups. Springer, Heidelberg and New York, pp 229-244

Fischer J, Zinner D (2011)
Communication and cognition in primate group movement
International Journal of Primatology, 32(6): 1279-1295   - open access -

Foote AD, Vilstrup JT, De Stephanis R, Verborgh P, Abel Nielsen SC, Deaville R, Kleivane L, MartÍN V, Miller PJO, ØIen N, PÉRez-Gil M, Rasmussen M, Reid RJ, Robertson KM, Rogan E, SimilÄ TIU, Tejedor ML, Vester H, VÍKingsson GA, Willerslev E, Gilbert MTP, Piertney SB (2011)
Genetic differentiation among North Atlantic killer whale populations
Molecular Ecology 20(3): 629-641   - abstract -

Jürgens R, Hammerschmidt K, Fischer J (2011)
Authentic and play-acted vocal emotion expressions reveal acoustic differences
Frontiers in Emotion Science 2: 180   - open access -

Kehmeier S, Schloegl C, Scheiber IBR, Weiß BM (2011)
Early development of gaze following into distant space in juvenile Greylag geese (Anser anser)
Animal Cognition 14(4): 477-485   - open access -

Kenward BEN, Schloegl C, Rutz C, Weir AAS, Bugnyar T, Kacelnik A (2011)
On the evolutionary and ontogenetic origins of tool-oriented behaviour in New Caledonian crows (Corvus moneduloides).
Biological Journal of the Linnean Society 102(4): 870-877   - abstract -

Maciej P, Fischer J, Hammerschmidt K (2011)
Transmission Characteristics of Primate Vocalizations: Implications for Acoustic Analyses
PLOS ONE 6: e23015   - open access -

Meise K, Keller C, Cowlishaw G, Fischer J (2011)
Sources of acoustic variation: implications for production specificity and call categorization in chacma baboon (Papio ursinus) grunts
Journal of the Acoustical Society of America 129(3): 1631-1641   - abstract -

Menzel R, Fischer J (2011) 
Animal Thinking - Contemporary Issues in Comparative Cognition
MIT Press, Cambridge   - open pdf -   - Ernst Strüngmann Forum -   - The MIT Press -

Mikolasch S, Kotrschal K, Schloegl C (2011)
African grey parrots (Psittacus erithacus) use inference by exclusion to find hidden food
Biology Letters 7(6): 875-877   - abstract -

Nguyen TQ, Böhme W, Nguyen TT, Le QK, Pahl KR, Haus T, Ziegler T (2011)
Review of the genus Dopasia Gray, 1853 (Squamata: Anguidae) in the Indochina subregion
Zootaxa 2894: 58-68   - abstract -

Nitsch F, Stueckle S, Stahl D, Zinner D (2011)
Copulation patterns in captive hamadryas baboons: a quantitative analysis
Primates 52(4): 373-383   - open access -

Patzelt A, Zinner D, Fickenscher G, Diedhou S, Camara B, Stahl D, Fischer J (2011)
Group composition of Guinea baboons (Papio papio) at a water place suggests a fluid social organisation
International Journal of Primatology 32(3): 652-668   - open access -

Pfefferle D, Heistermann M, Pirow R, Hodges J, Fischer J (2011)
Estrogen and Progestogen Correlates of the Structure of Female Copulation Calls in Semi-Free-Ranging Barbary Macaques (Macaca sylvanus)
International Journal of Primatology 32(4): 992-1006   - open access -

Roos C, Walter L, Zinner D (2011) 
Natural hybridization in primates
In: GF Weinbauer, F Vogel (eds) Future Trends in Primate Toxicology and Biotechnology. 
Waxmann, Münster/New York, pp 9-33

Roos C, Zinner D, Kubatko LS, Schwarz C, Yang M, Meyer D, Nash SD, Xing J, Batzer MA, Brameier M, Leendertz FH, Ziegler T, Perwitasari-Farajallah D, Nadler T, Walter L, Osterholz M (2011)
Nuclear versus mitochondrial DNA: Evidence for hybridization in colobine monkeys
BMC Evolutionary Biology 11(1): 77   - open access -

Rumpler Y, Hauwy M, Fausser JL, Roos C, Zaramody A, Andriaholinirina N, Zinner D (2011)
Comparing chromosomal and mitochondrial phylogenies of the Indriidae (Primates, Lemuriformes)
Chromosome Research 19(2): 209-224   - open access -

Scheiner E, Fischer J (2011) 
Emotion expression – the evolutionary heritage in the human voice
In: W Welsch, W Singer, A Wunder (eds) Interdisciplinary Anthropology: The Continuing Evolution of Man. 
Springer, Heidelberg & New York, pp 105-129

Schell A, Rieck K, Schell K, Hammerschmidt K, Fischer J (2011)
Adult but not juvenile Barbary macaques spontaneously recognize group members from pictures
Animal Cognition 14(4): 503-509   - open access -

Schloegl C (2011)
What you see is what you get – reloaded: Can jackdaws detect hidden food through exclusion?
Journal of Comparative Psychology 125(2): 162-174   - open access -

Schmidt J, Scheid C, Kotrschal K, Bugnyar T, Schloegl C (2011)
Gaze direction - A cue for hidden food in rooks (Corvus frugilegus)?
Behavioural Processes 88(2): 88-93   - open access -

Schmitt V, Fischer J (2011)
Quantity discrimination tests with macaques
Nature Protocol Exchange   - online available -

Schmitt V, Fischer J (2011)
Representational format determines numerical competence in monkeys
Nature Communications: 2: 257   - open access -

Sueur C, King AJ, Conradt L, Kerth G, Lusseau D, Mettke-Hofmann C, Schaffner CM, Williams L, Zinner D, Aureli F (2011)
Collective decision-making and fission-fusion dynamics: a conceptual framework
Oikos 120(11): 1608-1617   - abstract -

Thinh VN, Hallam C, Roos C, Hammerschmidt K (2011)
Concordance between vocal and genetic diversity in crested gibbons
BMC Evolutionary Biology 11: 36   - open access -

Tiddi B, Aureli F, Schino G, Voelkl B (2011)
Social relationships between adult females and alpha male in wild tufted capuchin monkeys
American Journal of Primatology 73(8): 812-820   - open access -

Tiddi B, Aureli F, Polizzi di Sorrentino E, Janson C, Schino G (2011)
Grooming for tolerance? Two mechanisms of exchange in wild tufted capuchin monkeys
Behavioral Ecology 22: 663-669   - open access -

Wheeler BC, Bradley BJ, Kamilar JM (2011)
Predictors of orbital convergence in primates: a test of the snake detection hypothesis of primate evolution
Journal of Human Evolution 61(3): 233-242   - abstract -

Wheeler BC, Searcy WA, Christiansen MH, Corballis MC, Fischer J, Grüter C, Margoliash D, Owren MJ, Price T, Seyfarth RM, Wild M (2011) 
In: R Menzel, J Fischer (eds) Animal Thinking: Contemporary Issues in Comparative Cognition.
MIT Press, Cambridge, pp 187-205   - open pdf -   - Ernst Strüngmann Forum -   - The MIT Press -

Zinner D, Arnold ML, Roos C (2011)
The strange blood: Natural hybridization in primates
Evolutionary Anthropology 20(3): 96-103   - abstract -

Zinner D, Buba U, Nash S, Roos C (2011) 
Pan-African voyagers: The phylogeography of baboons
In: V Sommer, C Ross (eds) Primates of Gashaka: Socioecology and Conservation in Nigeria’s Biodiversity Hotspot. 
Series: Developments in Primatology: Progress and Prospects
Springer, New York, pp 267-306