Tom Smith, Thomas Sharp, Vincenzo Penteriani, Russ Van Horn In this paper we explore both the ultimate and proximate causes responsible for the ways inwhich the eight extant bear species respond in interactions…
Naoki Takekoshi, Jumpei Tomiyasu, Yojiro Yanagawa, Naoki Ohnishi, TomokoNaganuma, Seungyun Baek, Miu Itoh, Tatsuhito Nishiwaki, Chinatsu Kozakai, Shinsuke Koike,Koji Yamazaki Sexual hormones play a crucial role in reproductive behavior of mammals. Testosterone, a…
Hinako Katsushima and Itsuro Koizumi Some mammals have conspicuous marking sites, such as rubbing trees of cheetahs andcommunal latrines of otters. While such marking sites are considered to play important roles inintraspecific communication,…
Lori Homstol, Sage Raymond, Claire Edwards, Anthony N. Hamilton, ColleenCassady St. Clair Conflict between humans and black bears (Ursus americanus) occurs throughout North Americawith increasing public demand to replace lethal management with non-lethal…
Tomoko Naganuma, Seung-Yun Baek, Kahoko Tochigi, Naoki Takekoshi, ChinatsuKozakai, Koji Yamazaki, Shinsuke Koike The mating behavior of Asian black bear (Ursus thibetanus) has been limited on observations ofcaptive populations. Hence, the habitat use…
Eva Filipczykova, Melanie Clapham, Russell C. Van Horn, Owen T Nevin, Jorge LuisArmijos Barros, Aleš Vorel Olfactory signaling is the most efficient mode of animal communication when the intervalbetween signaller and receiver is…
Rumiko Nakashita, Akiko Takii, Hayato Iijima, Toshiaki Yamamoto, Hiroo Tamatani,Misako Kuroe, Ryosuke Kishimoto, Shigeyuki Izumiyama In recent years, the number of culled sika deer (Cervus nippon) and wild boar (Sus scrofa) hasincreased as…
Simonne Tremblay, David McGeachy, Nicholas J. Lunn, Evan Richardson, Andrew E.Derocher Canine teeth are essential components of carnivore anatomy as they are utilized in preyapprehension and behavioural displays; however, this tooth type has…
Akino Inagaki, Maximilian L. Allen, Kahoko Tochigi, Tetsuya Maruyama, ShinsukeKoike Animal carcasses are an ephemeral but nutritionally rich resource. Large carcasses attractvarious vertebrate scavengers, and the interactions among scavenger species on or aroundcarcasses…
Prof. Shinsuke Koike, Tomoko Naganuma, Seung-Yun Baek, Kahoko Tochigi, NaokiTakekoshi, Akino Inagaki, Koji Yamazaki In recent years, animal-borne video cameras have been used to clarify the ecology of manyanimal species. Over the past…
Molly Sharp, Scott Nielsen, Mark Edwards American black bears (Ursus americanus) are generalist omnivores, with a diet primarilycomposed of vegetation and some animal matter. Black bears are noted as potential predatorsfor a number…
Aimee Tallian, Jonas Kindberg, Håkan Sand, Wiebke Neumann, Fredrik Stenbacka,Jenny Mattisson, Anders Johannson, Beth Stacey Here we present a new research initiative from the Scandinavian Brown Bear Research Project(SBBRP). This study takes advantage…