Yoshinari Yonehara, Yusuke Goto, Ken Yoda, Yutaka Watanuki, Lindsay C. Young, Henri Weimerskirch, Charles-André Bost, Katsufumi Sato. Flight paths of seabirds soaring over the ocean surface enable measurement of fine-scale wind speed and direction. PNAS (2016). DOI: 10.1073/pnas.1523853113.
Patrick J. O. Miller, Tomoko Narazaki, Saana Isojunno, Kagari Aoki, Sophie Smout, and Katsufumi Sato. Body density and diving gas volume of the northern bottlenose whale (Hyperoodon ampullatus). Journal of Experimental Biology 219: 2458-2468 (2016)
Takuya Fukuoka, Misaki Yamane, Chihiro Kinoshita, Tomoko Narazaki, Greg J. Marshall, Kyler J. Abernathy, Nobuyuki Miyazaki, Katsufumi Sato. The feeding habit of sea turtles influences their reaction to artificial marine debris. Scientific Reports 6: 28015 (2016).
Naoyuki Miyata, Tomohiko Mori, Masaaki Kagehira, Nobuyuki Miyazaki, Michihiko Suzuki and Katsufumi Sato. In situ CTD measurement using fish-borne recorders reveal short-term excursions of Japanese sea bass from sea water to freshwater. Aquatic Biology 219: 2458-2468 (2016).
Anthony A. Robson, Lewis G. Halsey and Laurent Chauvaud. Feet, heat and scallops: what is the cost of anthropogenic disturbance in bivalve aquaculture? Royal Society Open Science 3: 150679 (2016)
Takashi Kitagawa, Susumu Hyodo and Katsufumi Sato. Atmospheric depression-mediated water temperature changes affect the vertical movement of chum salmon Oncorhynchus keta. Marine Environmental Research 119: 72-78 (2016)
Daisuke Ochi, Kei Matsumoto, Nariko Oka, Tomohiro Deguchi, Katsufumi Sato, Takashi P. Satoh, Fumihito Muto, Yutaka Watanuki. Dual foraging strategy and chick growth of streaked shearwater Calonectris leucomelas at the two colonies of different oceanographic environment. Ornithological Science (in press)
Manfred R. Enstipp, Katia Ballorain, Stéphane Ciccione, Tomoko Narazaki, Katsufumi Sato, Jean-Yves Georges, Energy expenditure of adult green turtles (Chelonia mydas) at their foraging grounds and during simulated oceanic migration. Functional Ecology (2016)
Graeme C. Hays, Luciana C. Ferreira, Ana M.M. Sequeira, Mark G. Meekan, Carlos M. Duarte, Helen Bailey, Fred Bailleul, W. Don Bowen, M. Julian Caley, Daniel P. Costa, Victor M. Eguíluz, Sabrina Fossette, Ari S. Friedlaender, Nick Gales, Adrian C. Gleiss, John Gunn, Rob Harcourt, Elliott L. Hazen, Michael R. Heithaus, Michelle Heupel, Kim Holland, Markus Horning, Ian Jonsen, Gerald L. Kooyman, Christopher G. Lowe, Peter T. Madsen, Helene Marsh, Richard A. Phillips, David Righton, Yan Ropert-Coudert, Katsufumi Sato, Scott A. Shaffer, Colin A. Simpfendorfer, David W. Sims, Gregory Skomal, Akinori Takahashi, Philip N. Trathan, Martin Wikelski, Jamie N. Womble and Michele Thums. Key questions in marine megafauna movement ecology. TREE 31: 463-475 (2016).
Yasumasa Miyazawa, Xinyu Guo, Sergey M. Varlamov, Toru Miyama, Ken Yoda, Katsufumi Sato and Keiji Sato. Assimilation of the seabird and ship drift data in the north-eastern sea of Japan into an operational ocean nowcast/forecast system. Scientific Reports5: 17672 (2015).
Yukihisa Kogure, Katsufumi Sato, Yutaka Watanuki, Sarah Wanless and Francis Daunt. European shags optimize their flight behavior according to wind conditions. Journal of Experimental Biology 219:311-318 (2016).
Aurélie Jolivet, Laurent Chauvaud, Julien Thébault, Anthony A. Robson, Pascal Dumas, George Amos and Anne Lorrain. Circadian behavior of Tectus (Trochus) niloticus in the southwest Pacific inferred from accelerometry. Movement Ecology 3:26 (2015)
Tomohiko Mori, Naoyuki Miyata, Jun Aoyama, Yasuaki Niizuma and Katsufumi Sato. Estimation of metabolic rate from activity measured by recordes deployed on Japanese sea bass Lateolabrax japonicus. Fisheries Science 81:871-882 (2015).
Iwata. T., Sakamoto. K. Q., Edwards. E. W. J., Staniland. I. J., Trathan. P. N., Goto. Y., Sato. K., Naito. Y., Takahashi. A. The influence of preceding dive cycles on the foraging decisions of Antarctic fur seals. Biology Letters 11: 20150227 (2015).
Itsumi Nakamura, Carl Meyer and Katsufumi Sato. Unexpected positive buoyancy in deep sea sharks, Hexanchus griseus, and a Echinorhinus cookei. PLoS One e0127667 (2015)
Tomoko Narazaki, Katsufumi Sato and Nobuyuki Miyazaki. Summer migration to temperate foraging habitats and active winter diving of juvenile loggerhead turtles Caretta caretta in the western North Pacific. Marine Biology 162:1251-1263(2015)
Kagari Aoki, Masao Amano, Tsunemi Kubodera, Kyoichi Mori, Ryosuke Okamoto, Katsufumi Sato. Visual and behavioral evidence indicates active hunting by sperm whales. Marine Ecology Progress Series 523:233-241 (2015)
Itsumi Nakamura, Yusuke Goto, Katsufumi Sato. Ocean sunfish rewarm at the surface after deep excursions to forage for siphonophores. Journal of Animal Ecology 84:590-603 (2015)
Yu Akiyama, Yoshio Matsuda, Natsuko Sakurai, Katsufumi Sato. Evaluation of wave drag on bottlenose dolphin Tursiops truncatus from swimming effort. Coastal Marine Science in press (2015)
Otaki Takayoshi, Masahiro Hamana, Hideaki Tanoue, Nobuyuki Miyazaki, Takuro Shibuno and Teruhisa Komatsu. Three-dimensional mapping of red stingray (Dasyatis akajei) movement with reference to bottom topography. Ocean Science Journal in press (2015)
Takuya Fukuoka, Tomoko Narazaki, Katsufumi Sato. Summer-restricted migration of green turtles (Chelonia mydas) to a temperate habitat of the northwest Pacific Ocean. Endangered Species Research 28:1-10 (2015)
Christopher D. Marshall, John Wang, Axayacatl Rocha-Olivares, Carlos Godines-Reyes, Shara Fisler, Tomoko Narazaki, Katsufumi Sato and Blair D. Sterba-Boatwright. Scaling of bite performance with head and carapace morphometrics in green turtles (Chelonia mydas). Journal of Experimental Marine Biology and Ecology 451:91-97 (2014)
Takashi Yamamoto, Akinori Takahashi, Katsufumi Sato, Nariko Oka, Maki Yamamoto and Philip N. Trathan. Individual consistency in migratory behaviour of a pelagic seabird. Behaviour 151: 683-701(2014).
Ken Yoda, Kozue Shiomi and Katsufumi Sato. Foraging spots of streaked shearwaters in relation to ocean surface currents as identified using their drift movements. Progress in Oceanography 122: 54-64(2014)
Maria I. Bogdanova, Sarah Wanless, Michael P. Harris, Ian Lindstrom, Adam Butler, Mark A. Newell, Katsufumi Sato, Yutaka Watanuki, Matt Parsons and Francis Daunt. Among-year and within-population variation in foraging distribution of European shags Phalacrocorax aristotelis over two decades: implications for marine spatial planning. Biological Conservation 170: 292-299 (2014)
Hideaki Nishizawa, Tomoko Narazaki, Takuya Fukuoka, Katsufumi Sato, Tomoko Hamabata, Masato Kinoshita, Nobuaki Arai. Genetic composition of loggerhead turtle feeding aggregations: Insight into migration patterns in the North Pacific. Endangered Species Research 24: 85-93 (2014)
Hideaki Nishizawa, Tomoko Narazaki, Takuya Fukuoka, Katsufumi Sato, Masato Kinoshita and Nobuaki Arai. Juvenile green turtles in the northern edge: mtDNA evidence of long-distance westward dispersals in the Northern Pacific Ocean. Endangered Species Research 24: 171-179 (2014)
Masao Amano, Aya Kourogi, Kagari Aoki, Motoi Yoshioka and Kyoichi Mori. Differences in sperm whale codas between two waters off Japan: possible geographic separation of vocal clans. Journal of Mammalogy 95: 169-175 (2014)
Katsufumi Sato. Body temperature stability achieved by the large body mass of sea turtles. Journal of Experimental Biology 217: 3607-3614 (2014)
Ippei Suzuki, Katsufumi Sato, Andreas Fahlman, Yasuhiko Naito, Nobuyuki Miyazaki and Andrew W. Trites. Drag, but not buoyancy, affects swim speed in captive Steller sea lions. Biology Open 3: 379-386 (2014)
Itsumi Nakamura and Katsufumi Sato. Ontogenetic shift in foraging habit of ocean sunfish Mola mola from dietary and behavioral studies. Marine Biology 161: 1263-1273 (2014)
Fleur Visser, Patrick J.O. Miller, Ricardo N. Antunes, Machiel G. Oudejans, Monique L. Mackenzie, Kagari Aoki, Frans-Peter A. Lam, Petter H. Kvadsheim, Jef Huisman and Peter L. Tyack. The social context of individual foraging behaviour in long-finned pilot whales (Globicephala melas). Behaviour 151: 1453–1477 (2014).
Atsuo Ito, Rei Yamashita, Hideshige Takada, Takashi Yamamoto, Kozue Shiomi, Carlos Zavalaga, Tomoya Abe, Shinichi Watanabe, Maki Yamamoto, Katsufumi Sato, Hiroyoshi Kohno, Tomohiko Iida, Ken Yoda and Yutaka Watanuki. Contaminants in tracked seabirds show regional patterns of marine pollution. Environmental Science & Technology 47: 7862-7867 (2013).
Tomoko Narazaki, Katsufumi Sato, Kyler J. Abernathy, Greg J. Marshall and Nobuyuki Miyazaki. Loggerhead turtles (Caretta caretta) use vision to forage on gelatinous prey in mid-water. PLoS ONE 8: e66043 (2013). Doi: 10.1371/journal.pone.0066043.
Katsufumi Sato, Kagari Aoki, Yuuki Y. Watanabe and Patrick J. O. Miller. Neutral buoyancy is optimal to minimize the cost of transport in horizontally swimming seals. Scientific Reports 3:2205; DOI:10.1038/srep02205 (2013).
Kagari Aoki, Mai Sakai, Patrick J. O. Miller, F. Visser and Katsufumi Sato. Body contact and synchronous diving in long-finned pilot whales. Behavioural Processes 99:12-20 (2013).
Takashi Iwata, Shiroh Yonezaki, Kaoru Kohyama and Yoko Mitani. Detection of grooming behaviours with an acceleration data logger in a captive northern fur seal (Callorhinus ursinus). Aquatic Mammals (2013).
Kentaro Q. Sakamoto, Akinori Takahashi, Takashi Iwata, Takashi Yamamoto, Maki Yamamoto and Philip N. Trathan. Heart rate and estimated energy expenditure of flapping and gliding in black-browed albatrosses. The Journal of Experimental Bilogy. (2013)
M Amano, A Kourogi, K Aoki, M Yoshioka, M Kyoichi. Differences in sperm whale codas between two waters off Japan: possible geographic separation of vocal clans. Journal of Mammalogy, in press.
Ken YODA, Tadashi Tajima, Sachiho Sasaki, Katsufumi Sato and Yasuaki Niizuma. Influence of Local Wind Conditions on the Flight Speed of the Great Cormorant Phalacrocorax carbo. International Journal of Zoology Doi: 10.1155/2012/187102 (2012).
Shinichi Watanabe, Katsufumi Sato and Paul J. Ponganis. Activity time budget during foraging trips of emperor penguins. PLoS ONE 7: e50357. Doi: 10.1371/journal.pone.0050357 (2012).
Ichiro Ken Shimatani, Ken Yoda, Nobuhiro Katsumata and Katsufumi Sato. Toward the quantification of a conceptual framework for movement ecology using circular statistical modeling. PLoS ONE 7: e50309. Doi:10.1371/journal.pone.0050309 (2012).
Christopher D Marshall, Alejandra Guzman, Tomoko Narazaki, Katsufumi Sato, Emily A. Kane, and Blair Sterba-Boatwright. The ontogenetic scaling of bite force and head size in loggerhead sea turtles (Caretta caretta): implications for durophagy in neritic, benthic habitats. Journal of Experimental Biology 215: 4166-4174 (2012).
Ryota Hayashi, Benny K. K. Chan, Noa Simon-Blecher, Hiromi Watanabe, Tamar Guy-Haim, Takahiro Yonezawa, Yaniv Levy, Takuho Shuto and Yair Achituv. Phylogenetic position and evolutionary history of the turtle and whale barnacles (Cirripedia: Balanomorpha: Coronuloidea). Molecular Phylogenetics and Evolution 67: 9-14 (2013).
Yoshio Takei, Hiroshi Miyanishi, Shigenori Nobata, Marty K. S. Wong, Taro Watanabe, Albert Ventura, Aya Shiozawa, Susumu Hyodo and Makoto Kusakabe. Establishment and validation of an aquarium system to evaluate salinity preference in conscious rainbow trout. Coastal Marine Science (in press).
Chan BKK and Hayashi R. Epibiotic barnacles (Crustacea: Cirripedia) collected in the Kumejima 2009 expedition, with descriptions of two new species. Zootaxa (in press).
Shuto T and Hayashi R. Floating castles in offshore waters: the barnacles of two giant Fish Aggregation Devices from off Okinawa, Japan. Landsc Ecol Eng DOI: 10.1007/s11355-012-0190-7 (in press).
Yamamoto T, Takahashi A, Oka N, Shirai M, Yamamoto M, Katsumata N, Sato K, Watanabe S and Trathan PN. Inter-colony differences in the incubation pattern of streaked shearwaters in relation to the local marine environment. Waterbirds (in press).
Williams CL, Sato K, Shiomi K and Ponganis PJ. Muscle energy stores and stroke rates of emperor penguins: Implications for muscle metabolism and dive performance. Physiol Biochem Zool (in press).
Aoki K, Amano M, Mori K, Kourogi A, Kubodera T and Miyazaki N. Active hunting by deep-diving sperm whales: 3D dive profiles and maneuvers during bursts of speed. Mar Ecol-Prog Ser 444:289-301 (2012).
Hayashi R. Atlas of the barnacles on marine vertebrates in Japanese waters including taxonomical review of superfamily Coronuloidea (Cirripedia: Thoracica). J Mar Biol Assoc UK 92: 107-127 (2012).
Shiomi K, Sato K and Ponganis PJ. Point of no return in diving emperor penguins: is decision time to return limited by the number of strokes? J Exp Biol 215: 135-140 (2012).
Shiomi K, Yoda K, Katsumata N and Sato K. Temporal tuning of homeward flight in seabirds. Anim Behav 83: 355-359 (2012).
Tanoue H, Komatsu T, Tsujino T, Suzuki I, Watanabe M, Goto H and Miyazaki N. Feeding events of Japanese lates Lates japonicus detected by a high-speed video camera and three-axis micro-acceleration data-logger, Fisheries Sci (on line first published)(2012).
Alabsi NM, Tanoue H, Komatsu T, Charef A, Mitani I, Kato M, Horii T, Aoki I, Miyazaki N. Measurement of the swimming behavior of a deep-water fish, the Splendid Alfonsino (Beryx splendens), in captivity using micro data loggers, J Fisheries Aquat Sci 6: 309-321 (2011).
Aoki K, Watanabe YY, Crocker DE, Robinson PW, Biuw M, Costa DP, Miyazaki N, Fedak MA and Miller PJO. Northern elephant seals adjust gliding and stroking patterns with changes in buoyancy: validation of at-sea metrics of body density. J Exp Biol 214: 2973-2987 (2011).
Hayashi R, Narazaki T, Takuma S and Sato K. Chelonia mydas agassizii (Black [Pacific] Seaturtle). Epibiont barnacles. Herpetol Rev 42: 264-265 (2011).
Inoue K, Miyanishi H, Nobata S and Takei Y. Evolutionary implication of the absence of atrial natriuretic peptide (ANP) in euryhaline Oryzias fishes. Environ Biol Fish DOI: 10.1007/ s10641-011-9852-9 (2011).
Kikuchi M, Vera M. F. de Silva, Rosas FCW, Souza D and Miyazaki N. The implications of turning behaviour performed by Amazonian manatees after release into the wild. J Ethol 30: 187-190 (2011).
Miyanishi H, Nobata S and Takei Y. Relative antidipsogenic potencies of six homologous natriuretic peptides in eels. Zool Sci 28: 719-726 (2011).
Nakamura I, Watanabe YY, Papastamatiou YP, Sato K and Meyer CG. Yo-yo vertical movements suggest a foraging strategy for tiger sharks Galeocerdo cuvier. Mar Ecol-Prog Ser 424: 237-246 (2011).
Nobata S, Donald JA, Balment RJ and Takei Y. Potent cardiovascular effects of homologous urotensin II (UII)-related peptide and UII in unanesthetized eels after peripheral and central injections. Am J Physiol Regul Integr Comp Physiol 300: R437-446 (2011).
Nobata S and Takei Y. The area postrema is a central player for regulation of drinking behavior in Japanese eels. Am J Physiol Regul Integr Comp Physiol 300: R1569-1577 (2011).
Sakai M, Aoki K, Sato K, Amano M, Baird RW, Webster DL, Schorr GS and Miyazaki N. Swim speed and acceleration measurements of short-finned pilot whales (Globicephala macrorhynchus) in Hawai‘i. Mammal Study 36: 55-59 (2011).
Sakai M, Wang D, Wang K, Li S and Akamatsu T. Do porpoises choose their associates? A new method for analyzing social relationships among cetaceans. PLoS ONE 6(12): e28836. doi:10.1371/journal.pone.0028836 (2011).
Samarra FP, Fennell A, Aoki K, Deecke VB and Miller PJO. Persistence of skin marks on killer whales (Orcinus orca) caused by the parasitic sea lamprey (Petromyzon marinus) in Iceland. Mar mamm sci Article first published online: DOI: 10.1111/j.1748-7692.2011.00486.x (2011).
Sato K, Shiomi K, Marshall G, Kooyman GL and Ponganis PJ. Stroke rates and diving air volumes of emperor penguins: implications for dive performance. J Exp Biol 214: 2854-2863 (2011).
Yamamoto T, Takahashi A, Oka N, Iida T, Katsumata N, Sato K and Trathan PN. Foraging areas of streaked shearwaters in relation to seasonal changes in the marine environment of the Northwestern Pacific: inter-colony and sexual differences. Mar Ecol-Prog Ser 424: 191-204 (2011).
Yuji K. Fuse, Kenaro Q. Sakamoto, Katsufumi Sato and Yoshiaki Habara. Cardiorespiratory pattern of rest-associated apnea in a Weddell seal: a case study at an ice hole in Antarctica. Polar Biol DOI 10.1007/s00300-011-1140-9 (2011).
Watanabe KK, Hatase H, Kinoshita M, Omuta K, Bando T, Kamezaki N, Sato K, Matsuzawa Y, Goto K, Nakashima Y, Takeshita H, Aoyama J and Tsukamoto K. Population structure of the loggerhead turtle Caretta caretta, a large marine carnivore that exhibits alternative foraging behaviors. Mar Ecol-Prog Ser 424: 273-283 (2011).
Watanabe YY, Takahashi A, Sato K, Viviant M and Bost C-A. Poor flight performance in deep-diving cormorants. J Exp Biol 214: 412-421 (2011).
Katsufumi Sato, Kozue Shiomi, Greg Marshall, Gerald L. Kooyman and Paul J. Ponganis. (2011) Stroke rates and diving air volumes of emperor penguins: implications for dive performance. Journal of Experimental Biology
Natheer Mohammad Alabsi, Hideaki Tanoue, Teruhisa Komatsu, Aymen Charef, Isamu Mitani, Mitsuhiro Kato, Toyomitsu Horii , Ichiro Aoki and Nobuyuki Miyazaki. (2011) Measurement of the swimming behavior of a deep-water fish, the splendid alfonsino (Beryx splendens), in captivity using micro data loggers. Journal of Fisheries and Aquatic Science. 6: 309-321.
Takashi Yamamoto, Akinori Takahashi, Nariko Oka, Takahiro Iida, Nobuhiro Katsumata, Katsufumi Sato and Phillip N. Trathan. (2011) Foraging areas of streaked shearwaters in relation to seasonal changes in the marine environment of the Northwestern Pacific: inter-colony and sexual differences. Marine Ecology Progress Series. 424: 191-204.
Kunihiro K. Watanabe, Hideo Hatase, Masato Kinoshita, Kazuyoshi Omuta, Takeharu Bando, Naoki Kamezaki, Katsufumi Sato, Yoshimasa Matsuzawa, Kiyoshi Goto, Yoshito Nakashima, Hiroshi Takeshita, Jun Aoyama and Katsumi Tsukamoto. (2011) Population structure of the loggerhead turtle Caretta caretta, a large marine carnivore that exhibits alternative foraging behaviors. Marine Ecology Progress Series. 424: 273-283.
Moe Matsumura, Yuuki Y. Watanabe, Patrick W. Robinson, Patrick J. O. Miller, Daniel P. Costa and Nobuyuki Miyazaki. (2011) Underwater and surface behavior of homing juvenile northern elephant seals. Journal of Experimental Biology. 214: 629-636.
Takashi Yamamoto, Akinori Takahashi, Nobuhiro Katsumata, Katsufumi Sato and Phillip N. Trathan. (2010) At-sea distribution and behavior of streaked shearwaters (Calonectris leucomelas) during non-breeding period: from temperate to tropical oceans. Auk. 127: 871-881.
Watanabe YY, Takahashi A, Sato K, Viviant M and Bost C-A. Poor flight performance in deep-diving cormorants. Journal of Experimental Biology. (2011) 214: 412-421.
Mai Sakai, Kagari Aoki, Katsufumi Sato, Masao Amano, Robin W. Baird, Daniel L. Webster, Gregory S. Schorr, and Nobuyuki Miyazaki. (2011) Swim speed and acceleration measurements of short-finned pilot whales (Globicephala macrorhynchus) in Hawai‘i. Mammal Study. 36: 55-59
Y. Y. Watanabe, K. Sato, Y. Watanuki, A. Takahashi, Y. Mitani, M. Amano, K. Aoki, T. Narazaki, T. Iwata, S. Minamikawa, N. Miyazaki. (2011) Scaling of swim speed in breath-hold divers. Journal of Animal Ecology. 80: 57-68.
Mumi Kikuchi, Kentaro Q. Sakamoto, Katsufumi Sato. (2010) Acquisition of gliding skills by Weddell seal (Leptonychotes weddellii) pups during lactation. Polar Biology. 33: 1429-1435.
Kozue Shiomi, Tomoko Narazaki, Katsufumi Sato, Kenichiro Shimatani, Nobuaki Arai, Paul J. Ponganis and Nobuyuki Miyazaki. (2010) Data-processing artefacts in 3-D dive path reconstruction from geomagnetic and acceleration data. Aquatic Biology. 8: 299-304
Morisaka, T., Kohshima, S., Yoshioka, M., Suzuki, M., & Nakahara, F. (2010) Recent studies on captive cetaceans in Japan: Working in tandem with studies on cetaceans in the wild. International Journal of Comparative Psychology. 23: 644-663.
Sakamoto K, Sato K, Kato A, Fukui D, Bando G, Naito Y, Habara Y, Ishizuka M and Fujita S. (2010)Metabolic alkalosis due to feeding chicks in breeding Adélie penguins Pygoscelis adeliae under natural conditions. Physiological and Biochemical Zoology. 83: 232-238.
Mumi Kikuchi; Vera M. F. da Silva; Fernando C. W. Rosas; Nobuyuki Miyazaki. (2010) Application of acceleration data loggers to classify the behavior of captive Amazonian manatees (Trichechus inunguis). Coastal marine science. 34: 24-30
Sakamoto KQ, Sato K, Ishizuka M, Watanuki Y, Takahashi A, Daunt F, Wanless S. (2009) Can Ethograms Be Automatically Generated Using Body Acceleration Data from Free-Ranging Birds? PLos One, 4: e5379.
Sato K, Sakamoto KQ, Watanuki Y, Takahashi A, Katsumata N, Bost C-A, Weimerskirch H. (2009) Scaling of Soaring Seabirds and Implications for Flight Abilities of Giant Pterosaurs. PLoS ONE 4: e5400.
Suzuki I, Naito Y, Folkow LP, Miyazaki N, Arnoldus SB. (2009) Validation of a device for accurate timing of feeding events in marine animals, Polar Biology, 32: 667-671.
Watanabe Y, Lydersen C, Sato, Naito Y, Miyazaki N, Kovacs KM. (2009) Diving behavior and swimming style of nursng bearded seal pups, Marine ecology progress series, 380: 287-294.
Weimerskirch H, Shaffer SA, Tremblay Y, Costa DP, Gadenne H, Kato A, Ropert-coudert Y, Sato K, Aurioles D. (2009) Species and sex specific differences in foraging behaviour and foraging zones in blue-footed and brown boobies in the Gulf of California. Marine Ecology Progress Series, 391: 267-278
Sato K, Shiomi K, Watanabe Y, Watanuki Y, Takahashi A, Ponganis PJ. (2009) Scaling of swim sped and stroke frequency in geometrically similar penguins: they swim optimally to minimize cost of transport. Proceedings of the Royal Society B, 274: 471-477.