| Seabird reproductive responses to changing climate and prey communities are mediated by prey packaging Y Watanuki, M Yamamoto, J Okado, M Ito, W Sydeman Marine ecology progress series 683, 179-194, 2022 | 18 | 2022 |
| Consumption of juvenile chum salmon by a seabird species during early sea life J Okado, Y Koshino, H Kudo, Y Watanuki Fisheries Research 222, 105415, 2020 | 15 | 2020 |
| Differences in Rhinoceros Auklet diet and chick body mass at 4 breeding sites in Hokkaido J OKADO, M ITO, M HASEBE, A SHOJI, H HAYASHI, N SATO, ... 日本鳥学会誌 70 (1), 37-52, 2021 | 6 | 2021 |
| Across the North Pacific, dietary-induced stress of breeding rhinoceros auklets increases with high summer Pacific Decadal Oscillation index U Shimabukuro, A Takahashi, J Okado, N Kokubun, JB Thiebot, A Will, ... Marine Ecology Progress Series 708, 177-189, 2023 | 5 | 2023 |
| Small interannual variability in the body mass of a seabird with high flight costs J Okado, Y Watanuki Marine Biology 170 (10), 122, 2023 | 4 | 2023 |
| At-sea habitat use of rhinoceros auklets breeding in the shelf region of Eastern Hokkaido T Sato, Y Yabuhara, J Okado, Y Watanuki, A Yamauchi, Y Kawaguchi Zoological Science 39 (3), 261-269, 2022 | 4 | 2022 |
| FLIGHT ALTITUDES OF CHICK-REARING RHINOCEROS AUKLETS CERORHINCA MONOCERATA MEASURED BY GPS LOGGER. J OKADO, Y WATANUKI Marine Ornithology 51 (1), 2023 | 3 | 2023 |
| 北海道大黒島における海鳥の現状 大門純平， 伊藤元裕， 綿貫豊 山階鳥類学雑誌 51 (2), 95-104, 2019 | 3 | 2019 |
| Exploring predators of Pacific salmon throughout their life history: the case of Japanese chum, pink, and masu salmon J Okado, K Hasegawa Reviews in Fish Biology and Fisheries, 1-23, 2024 | 2 | 2024 |
| Foraging area, diving and prey chase behaviour of a wing-propelled diver under contrasted prey regimes E Iida, N Sato, J Okado, DM Kikuchi, A Takahashi, Y Watanuki Marine Biology 171 (5), 101, 2024 | 2 | 2024 |
| Two species of seabirds foraged in contrasting marine habitats across the cold-water belt along the coast of northern Hokkaido in the southwestern Okhotsk Sea B Nishizawa, J Okado, Y Mitani, T Nakamura, A Yamaguchi, T Mukai, ... Fisheries Science 88 (1), 109-118, 2022 | 1 | 2022 |
| Foraging areas and trip duration vary with the main prey captured, in a day-foraging/night-provisioning seabird R Sakai, J Okado, A Kumagai, JB Thiebot, Y Watanuki Journal of Ornithology, 1-13, 2024 | | 2024 |
| The strength of density dependence on body size of young‐of‐the‐year masu salmon, Oncorhynchus masou, varies over ontogeny in Horokashubuto stream … K Hasegawa, J Okado, G Sahashi, S Fukui, Y Ogura, K Ohkuma Ecology of Freshwater Fish, e12776, 2024 | | 2024 |
| 画像データを用いたウトウ Cerorhinca monocerata とエトピリカ Fratercula cirrhata の風切羽換羽時期の推定 中嶋千夏， 塚越優喜， 大門純平， 西沢文吾， 向峯遼， 庄子晶子 日本鳥学会誌 73 (1), 45-55, 2024 | | 2024 |
| The upper limit of redd abundance compared to the numbers of anadromous adult masu salmon in Horokashubuto Stream, Hokkaido, northern Japan K Hasegawa, J Okado, Y Ogura Ichthyological Research, 1-3, 2024 | | 2024 |
| Daily energy expenditure of chick-rearing Rhinoceros Auklets Cerorhinca monocerata N Nagatani, M Shirai, J Okado, Y Niizuma Ornithological Science 23 (2), 57-64, 2024 | | 2024 |
| Stomach contents and stable isotope analysis reveal Antarctic prey in short-tailed shearwaters sampled at sea S Azumi, JB Thiebot, A Takahashi, J Okado, N Nagatani, Y Niizuma, ... Journal of Ornithology 165 (1), 263-267, 2024 | | 2024 |
| 4. 海鳥にとっての北海道沖オホーツク海の重要性 西澤文吾， 大門純平， 風間健太郎， 綿貫豊 日本水産学会誌 89 (5), 467-467, 2023 | | 2023 |
| 海鳥ウトウによるサケ幼稚魚の捕食 大門純平 salmon 情報 17, 27-29, 2023 | | 2023 |
| The choice of prey for parents own and for chicks in Rhinoceros Auklet J Okado, M Ito, Y Watanuki | | 2022 |
