Yukimaru Sugiyama

Best Publications

• Cultures in chimpanzees

  A. Whiten;J. Goodall;W. C. McGrew;T. Nishida

  3206
  Citations

• Tool-using and -making behavior in wild chimpanzees at Bossou, Guinea

  Yukimaru Sugiyama;Jeremy Koman

  407
  Citations

• Aging and Fertility Patterns in Wild Chimpanzees Provide Insights into the Evolution of Menopause

  Melissa Emery Thompson;James H. Jones;Anne E. Pusey;Stella Brewer-Marsden

  309
  Citations

• Population dynamics of Japanese monkeys with special reference to the effect of artificial feeding.

  Yukimaru Sugiyama;Hideyuki Ohsawa

  285
  Citations

• On the social change of hanuman langurs ( Presbytis entellus ) in their natural condition

  Unknown

  279
  Citations

• Social structure and dynamics of wild chimpanzees at Bossou, Guinea

  Yukimaru Sugiyama;Jeremy Koman

  254
  Citations

• Life history of male Japanese monkeys

  Yukimaru Sugiyama

  228
  Citations

• Socioecological factors of male chimpanzee migration at Bossou, Guinea.

  Yukimaru Sugiyama

  228
  Citations

• Social organization of chimpanzees in the Budongo Forest, Uganda

  Yukimaru Sugiyama

  205
  Citations

• Observations on the population dynamics and behavior of wild chimpanzees at Bossou, Guinea, in 1979–1980

  Yukimaru Sugiyama

  184
  Citations

• The Chimpanzees of Bossou and Nimba

  Unknown

  183
  Citations

• Demographic parameters and life history of chimpanzees at Bossou, Guinea

  Unknown

  173
  Citations

• Hand preference and tool use in wild chimpanzees

  Yukimaru Sugiyama;Takao Fushimi;Osamu Sakura;Tetsuro Matsuzawa

  170
  Citations

• A preliminary list of chimpanzees' alimentation at Bossou, Guinea

  Yukimaru Sugiyama;Jeremy Koman

  140
  Citations

• Behavioral development and social structure in two troops of hanuman langurs (Presbytis entellus)

  Yukimaru Sugiyama

  139
  Citations

• Social tradition and the use of tool‐composites by wild chimpanzees

  Yukimaru Sugiyama

  133
  Citations

• Pestle-pounding Behavior of Wild Chimpanzees at Bossou, Guinea : A Newly Observed Tool-using Behavior

  Gen Yamakoshi;Yukimaru Sugiyama

  131
  Citations

• Behavioural Diversity in Chimpanzees and Bonobos: Multivariate and phylogenetic approaches to understanding chimpanzee and bonobo behavioral diversity

  Diane M. Doran;William L. Jungers;Yukimaru Sugiyama;John G. Fleagle

  129
  Citations

• Paternity discrimination and inter-group relationships of chimpanzees at Bossou

  Yukimaru Sugiyama;Sakie Kawamoto;Osamu Takenaka;Kiyonori Kumazaki

  125
  Citations

• The Flora of Bossou: Its Utilization by Chimpanzees and Humans

  Yukimaru Sugiyama;Jeremy Koman

  124
  Citations