Ryu Heungjin

Profile Information

Affiliation: 非常勤研究員, 霊長類研究所社会生態研究部門社会構造分野, 京都大学

Researcher number: 80844670
J-GLOBAL ID: 201901017126777596
researchmap Member ID: B000364629

Research Interests

Research Areas

Life sciences / Animals: biochemistry, physiology, behavioral science /

Education

Apr, 2013 - May, 2017

Doctorate, Primate Research Institute, Kyoto University
Apr, 2011 - Mar, 2013

Master, Primate Research Institute, Kyoto University
Apr, 2010 - Mar, 2011

Research Student, Primate Research Institute, Kyoto University
Mar, 2003 - Aug, 2009

Bachelor of Life Science, Natural Science, University of Seoul

Awards

Jul, 2019

ABS Diversity Travel Award, The 56th Annual Conference of the Animal Behavior Society, International Animal Behavior Society

Ryu Heungjin
Mar, 2017

Best Poster Award, PWS International Symposium, The Leading Graduate Program in Primatology and Wildlife Science (PWS)

Ryu Heungjin

Papers

Do female bonobos (Pan paniscus) disperse at the onset of puberty? Hormonal and behavioral changes related to their dispersal timing

Kazuya Toda, Keiko Mouri, Heungjin Ryu, Tetsuya Sakamaki, Nahoko Tokuyama, Takumasa Yokoyama, Shohei Shibata, Marie-Laure Poiret, Keiko Shimizu, Chie Hashimoto …

Hormones and Behavior, 142 105159-105159, Jun, 2022
Physical, behavioral, and hormonal changes in the resumption of sexual receptivity during postpartum infertility in female bonobos at Wamba

Chie Hashimoto, Heungjin Ryu, Keiko Mouri, Keiko Shimizu, Tetsuya Sakamaki, Takeshi Furuichi

Primates, 63(2) 109-121, Feb 10, 2022
Age and sex differences in juvenile bonobos in party associations with their mothers at Wamba

Kazuya Toda, Heungjin Ryu, Takeshi Furuichi

Primates, 62(1) 19-27, Jan, 2021
Occurrence and transmission of flu-like illness among neighboring bonobo groups at Wamba

Heungjin Ryu, David A. Hill, Tetsuya Sakamaki, Cintia Garai, Nahoko Tokuyama, Takeshi Furuichi

Primates, Jun 19, 2020
Increased Frequency of Intergroup Encounters in Wild Bonobos (Pan paniscus) Around the Yearly Peak in Fruit Abundance at Wamba

Sakamaki Tetsuya, Ryu Heungjin, Toda Kazuya, Tokuyama Nahoko, Furuichi Takeshi

INTERNATIONAL JOURNAL OF PRIMATOLOGY, 39(4) 685-704, Aug, 2018 Peer-reviewed
A female bonobo sleeping on the ground after daytime birth and its implications

Heungjin Ryu

Pan Africa News, 24(2) 9-13, Dec 1, 2017 Peer-reviewedLead authorLast authorCorresponding author
Long-sightedness in old wild bonobos during grooming.

Ryu H, Graham KE, Sakamaki T, Furuichi T

Current biology : CB, 26(21) R1131-R1132, Nov, 2016 Peer-reviewed
Kin structure of wild male bonobos in Wamba

ISHIZUKA Shintaro, KAWAMOTO Yoshi, SAKAMAKI Tetsuya, TOKUYAMA Nahoko, RYU Heungjin, TODA Kazuya, FURUICHI Takeshi

Primate Research Supplement, 32 57-57, 2016
Female reproductive monitoring and miscarriage in wild bonobos ant Wamba, Democratic Republic of Congo and chimpanzees in Kalinzu Forest, Uganda

HASHIMOTO Chie, RYU Heungjin, MOURI Keiko, SHIMIZU Keiko, FURUICHI Takeshi

Primate Research Supplement, 32 46-46, 2016
An infant bonobo mimicked a handicapped motor action of a disabled individual at Wamba in the Luo Scientific Reserve, Democratic Republic of Congo

Toda K, Ryu H, Hayashi M, Furuichi T

Pan Africa News, 23(1) 3-5, 2016 Peer-reviewed
Intergroup transfer of females and social relationships between immigrants and residents in bonobo (Pan paniscus) societies

Tetsuya Sakamaki, Isabel Behncke, Marion Laporte, Mbangi Mulavwa, Heungjin Ryu, Hiroyuki Takemoto, Nahoko Tokuyama, Shinya Yamamoto, Takeshi Furuichi

Dispersing Primate Females: Life History and Social Strategies in Male-Philopatric Species, 127-164, Jun, 2015 Peer-reviewed
Prolonged maximal sexual swelling in wild bonobos facilitates affiliative interactions between females

Heungjin Ryu, David A. Hill, Takeshi Furuichi

BEHAVIOUR, 152(3-4) 285-311, 2015 Peer-reviewed
Why do wild bonobos not use tools like chimpanzees do?

T. Furuichi, C. Sanz, K. Koops, T. Sakamaki, H. Ryu, N. Tokuyama, D. Morgan

BEHAVIOUR, 152(3-4) 425-460, 2015 Peer-reviewed
Androgen receptor and monoamine oxidase polymorphism in wild bonobos

Cintia Garai, Takeshi Furuichi, Yoshi Kawamoto, Heungjin Ryu, Miho Inoue-Murayama

Meta Gene, 2 831-843, Dec 1, 2014 Peer-reviewed
Responses toward a trapped animal by wild bonobos at Wamba

Misato Hayashi, Gaku Ohashi, Heung Jin Ryu

ANIMAL COGNITION, 15(4) 731-735, Jul, 2012 Peer-reviewed
Tower construction by the manicure crab Cleistostoma dilatatum during dry periods on an intertidal mudflat

Tae Won Kim, Heung Jin Ryu, Jae Boong Choi, Jae Chun Choe

JOURNAL OF ETHOLOGY, 29(3) 459-465, Sep, 2011 Peer-reviewed

Misc.

罠にかかった動物に対するボノボの行動―ワンバでのケースレポート―

林美里, 大橋岳, 柳興鎭

SAGA14 (2011/11/12, 熊本市), 2011

Presentations

A preliminary report on urinary sex steroid hormone analyses of hibernating greater horseshoe bats in Korea

Heungjin Ryu, Kodzue Kinoshita, David A. Hill, Sungbae Joo, Sun-Sook Kim

Annual Meeting of the Mammal Society of Japan 2019, Sep 17, 2019
Changes in urinary sex steroids of Greater Horseshoe bats during hibernation in South Korea

Heungjin Ryu, Kodzue Kinoshita, David A. Hill, Sungbae Joo, Sun-Sook Kim

56th Annual Conference of the Animal Behavior Society, Jul 27, 2019
Visitor effect and the impact of isolation on the behavior of yellow-cheek gibbon (Nomascus gabriellae) and white-handed gibbon (Hylobates lar) in captivity

Sein Lee*, Heungjin Ryu*, Yoonjung Yi, Seonah Jang, Haeun Gye, Bae-Keun Lee, Jaechun Choe

The 14th International Conference on Environmental Enrichment, Jun 25, 2019
Male bonobos extrapolate the fertile phase from sexual swelling and reproductive history of females

Heungjin Ryu, Chie Hashimoto, David A Hill, Keiko Mouri, Keiko Shimizu, Takeshi Furuichi

The 7th International Symposium on Primatology and Wildlife Science, Mar 2, 2017
Can male bonobos (Pan paniscus) determine the peri-ovulatory period with some precision

Heungjin Ryu, Chie Hashimoto, Keiko Mouri, Keiko Shimizu, David A Hill, Takeshi Furuichi

The 26th International Primatological Congress, Aug 22, 2016
Presbyopia (long-sightedness) in old wild bonobos

Heungjin Ryu, Kirsty E Graham, Tetsuya Sakamaki, Takeshi Furuichi

The 5th International Seminar on Biodiversity and Evolution, Jun 7, 2016
A case report of flu-like illness in two unit-groups of wild bonobos at Wamba

Heungjin Ryu, David A Hill, Takeshi Furuichi

The 4th International Seminar on Biodiversity and Evolution, Jun 9, 2015
Prolonged maximal sexual swelling in wild bonobos facilitates affiliative interactions between females

Heungjin Ryu, David A Hill, Takeshi Furuichi

The 3rd International Seminar on Biodiversity and Evolution, Jun 6, 2014
Influence of life history and swelling status on social behaviors in free-ranging female bonobos (Pan paniscus)

Heungjin Ryu, David A Hill, Takeshi Furuichi

33rd International Ethological Conference, Aug 7, 2013
Landscape program for Conservation in DR Congo and the significance of Bonobos

Heungjin Ryu

The 2nd International Seminar on Biodiversity and Evolution, Jun 11, 2013
Disturbing affiliative interactions among females and its possible meaning in captive Japanese macaques

Heungjin Ryu

International Symposium for Conservation of Wild Bonobos and Chimpanzees, Aug 11, 2011

Professional Memberships

Media Coverage

Zoology: Old apes can't see up close

Nature, UK, Nov, 2016 Newspaper, magazine

Profile Information

Research Interests

Research Areas

Education

Awards

Papers

Misc.

Presentations

Professional Memberships

Media Coverage

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