Search Results - "Nishikawa, Mari"

Behavioral responses to changes in group size and composition: a case study on grooming behavior of female Japanese macaques (Macaca fuscata yakui) by Kurihara, Yosuke, Nishikawa, Mari, Mochida, Koji

“…•Changes from multi-female to one-female groups were observed in Japanese macaques.•Adult females increased their grooming efforts in one-female periods.•They…”
Get full text

Sleep duration is affected by social relationships among sleeping partners in wild Japanese macaques by Mochida, Koji, Nishikawa, Mari

“…•We quantified data on the duration of behavioural sleep of 32 wild Japanese macaques (Macaca fuscata yakui) at night.•The macaques slept relatively longer…”
Get full text

Rectal foreign body of suppository package: risk of self‐insertion of suppositories among elderly by Otsuka, Yuki, Nishikawa, Mari, Kinoshita, Akinori, Deguchi, Shoko, Okita, Atsushi, Deguchi, Kentaro

Get full text

Infant cannibalism in wild white‐faced capuchin monkeys by Nishikawa, Mari, Ferrero, Nuria, Cheves, Saul, Lopez, Ronald, Kawamura, Shoji, Fedigan, Linda M., Melin, Amanda D., Jack, Katharine M.

“…Cannibalism has been observed in a variety of animal taxa; however, it is relatively uncommon in primates. Thus, we rely heavily on case reports of this…”
Get full text

Activity and social factors affect cohesion among individuals in female Japanese macaques: A simultaneous focal-follow study by Nishikawa, Mari, Suzuki, Mariko, Sprague, David S.

“…Understanding cohesion among individuals within a group is necessary to reveal the social system of group‐living primates. Japanese macaques (Macaca fuscata)…”
Get full text

Coprophagy-related interspecific nocturnal interactions between Japanese macaques (Macaca fuscata yakui) and sika deer (Cervus nippon yakushimae) by Nishikawa, Mari, Mochida, Koji

“…The influence of sympatric large animals on the sleeping behavior of primates in the wild is still largely unknown. In this study, we observed behaviors of…”
Get full text

Embracing in a Wild Group of Yakushima Macaques (Macaca fuscata yakui) as an Example of Social Customs by Nakagawa, Naofumi, Matsubara, Miki, Shimooka, Yukiko, Nishikawa, Mari

“…Recently, some primatologists have begun studying social customs, which had been neglected in research despite their importance to human culture. We observed…”
Get full text

Activity synchrony and travel direction synchrony in wild female Japanese macaques by Nishikawa, Mari, Suzuki, Mariko, Sprague, David S.

“…•Simultaneous observations of wild macaques allowed us to explore their spatial cohesion and behavioural synchrony.•Degree of activity synchrony was higher…”
Get full text

3D sensing of Gymnastics Competition using MEMS mirror Laser Sensor by Ejiri, Arata, Iida, Kouichi, Tomimori, Hideki, Ikai, Yoshiaki, Yamao, Sosuke, Teduka, Kouichi, Yanai, Kosuke, Nishikawa, Mari

“…In the field of sports, there are active movements to improve fairness in judgment by utilizing ICT (Information and Communication Technology). The scoring…”
Get full text