Zachary David, Brian Crudge, Matt Hunt, Kirsty Officer, Vuthy Choun, BarbaraDurrant, Megan Owen, Morokot Long, John Whiteman Seasonal reproduction can provide species with fitness advantages by allowing the birth ofyoung to coincide with…
Wynona Shellabarger, Hendrik Nollens, Thea Bechshoft, Anthony Pagano, StephenD. Petersen, Sarah Teman, Erin Curry, Megan A. Owen, Amy Cutting Due to inherent challenges associated with studying wild polar bears, bears in zoologicalinstitutions serve…
Xueying Wang, Ryoji Umemoto, Mizuki Kato, Takashi Hayakawa Giant panda (Ailuropoda melanoleuca) is one of the most famous mammals known for itsunique biology. They phylogenetically belong to the family Ursidae (bears) and, therefore,…
Russell Van Horn, Anthony M Pagano, Mathias W Tobler Many ursids exhibit significant changes in metabolism and body mass in response toenvironmental and seasonal factors. In some ursids, these seasonal effects can includeextended…
Koji Yamazaki, Mayumi Ishizuka, Shota Nakayama, Nelly Banda, Shinsuke Koike,Yusuke Goto, Kozo Yamazaki, Yui Nemoto, Boris Fuchs, Jon M. Arnemo We collected blood samples from a total of 57 Asian black bears (Ursus…
Griffin Finkbeiner, Gregory W. Thiemann, Melissa P. Galicia, Alyssa M. Bohart Arctic ecosystems have been disproportionately impacted by climate change, warming at a ratefour times faster than the global average. Polar bears (Ursus…
Lana Pađen, Agnieszka Sergiel, Djuro Huber, Slaven Reljić, Ivan Berečki, JasnaAladrović The conditionally essential polyunsaturated fatty acids (PUFA), arachidonic acid (AA, 20:4n-6)and docosahexaenoic acid (DHA, 22:6n-3) are predominant n-6 and n-3 PUFA in…
Danielle K. James, Jennifer R. Tobey, Lisa K. Lauderdale, Lance J. Miller, Megan A.Owen Given the conservation challenges facing free-ranging polar bear populations, conservationbreeding programs ex situ may become more relevant to the…
Eva Filipczykova, Bernd Nonnenmacher, Christopher Schmidt, Žaneta Křišťanová,Aleš Vorel, Koen Cuyten The state of Czech Republic currently keeps seven bears at four castle moats (the castles ofČeský Krumlov, Konopiště, Náchod, and Točník), i.e.…
Eui-beom Kyeong, Sook-jin Lee, Seung-hyo Lim, Ji-sang Yu, Ann-Na Lee, Min Kim,Da-in Lee, Ho-nam Kang, Jeong-jin Yang, Dong-Hyuk Jeong The Asiatic black bear (Ursus thibetanus) has been undergoing restoration in South Korea since…
Maja Lazarus, Agnieszka Sergiel, Maja Ferenčaković, Ankica Sekovanić, SlavenReljić, Lana Pađen, David M. Janz, Ena Oster, Tomasz Zwijacz-Kozica, Filip Zieba, Nuria Selva,Djuro Huber Research addressing potential adverse effects of environmental pollutants on hypothalamic-pituitary-thyroid…
Nari Kim, Kyung-Hyo Do, Ki-Yoon Kim, Kwang-Won Seo, Jeong-Jin Yang, Eui-BeomKyeong, Seung-Hyo Lim, Dong-Hyuk Jeong Captive breeding, a global practice for endangered species conservation, faces challenges dueto reduced fertility among many captive individuals.…