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To capitalize on pulsed resources, consumers can exhibit behavioural and physiological traits including binge\u2010feeding and phenotypic plasticity of digestive physiology, although expression of these traits has not been observed simultaneously. Further, past studies of binge\u2010feeding have largely focused on times and locations where resources were highly concentrated, ignoring potential temporal and spatial variation in consumer responses. We investigated these traits in bull trout\n                    <jats:italic>Salvelinus confluentus<\/jats:italic>\n                    that experience seasonal resource pulses associated with the spring migration of sockeye salmon\n                    <jats:italic>Oncorhynchus nerka<\/jats:italic>\n                    smolts and their fall spawning migrations in a large lake\u2013river system. We also examined spatial variation in\n                    <jats:italic>S. confluentus<\/jats:italic>\n                    diet and feeding behaviour within seasons to explore associations with proximity to aggregated salmon. To do this, we collected\n                    <jats:italic>S. confluentus<\/jats:italic>\n                    stomach contents and analysed consumption rates across seasons and capture locations. We also investigated if the size of digestive organs changed with season. In the spring and fall,\n                    <jats:italic>S. confluentus<\/jats:italic>\n                    consumed\n                    <jats:italic>O. nerka<\/jats:italic>\n                    smolts and eggs, respectively, at high rates, with consumption often exceeding theoretical daily maximums by up to 21.50\u2010fold in the spring and 7.69\u2010fold in the fall. The degree of binge\u2010feeding was correlated with proximity to the lake outlet where smolts and spawning salmon congregate, increasing by 1.21\u2010fold in the spring and 2.78\u2010fold in the late fall for each ~13\u2010km shift in capture location towards the outlet.\n                    <jats:italic>Salvelinus confluentus<\/jats:italic>\n                    also exhibited larger digestive organs during the spring and fall, while the same organs were atrophied during the summer. Our results indicate that a single consumer population can exhibit both behavioural and physiological responses to resource pulses, and that exploitation can vary along a spatial gradient of presumed resource availability. These responses emphasize the importance of resource pulses to consumers and the potential for intra\u2010population differences in consumer responses to transient feeding opportunities.\n                  <\/jats:p>","DOI":"10.1111\/jfb.70242","type":"journal-article","created":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T21:17:27Z","timestamp":1759958247000},"page":"421-433","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Bull trout (\n                    <scp>\n                      <i>Salvelinus confluentus<\/i>\n                    <\/scp>\n                    ) exhibit binge\u2010feeding and digestive flexibility during seasonal resource pulses associated with salmon migrations"],"prefix":"10.1111","volume":"108","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7878-607X","authenticated-orcid":false,"given":"Adam M.","family":"Kanigan","sequence":"first","affiliation":[{"name":"Pacific Salmon Ecology and Conservation Laboratory, Department of Forest and Conservation Sciences University of British Columbia  Vancouver British Columbia Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Scott G.","family":"Hinch","sequence":"additional","affiliation":[{"name":"Pacific Salmon Ecology and Conservation Laboratory, Department of Forest and Conservation Sciences University of British Columbia  Vancouver British Columbia Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew G.","family":"Lotto","sequence":"additional","affiliation":[{"name":"Pacific Salmon Ecology and Conservation Laboratory, Department of Forest and Conservation Sciences University of British Columbia  Vancouver British Columbia Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrick","family":"Zubick","sequence":"additional","affiliation":[{"name":"Pacific Salmon Ecology and Conservation Laboratory, Department of Forest and Conservation Sciences University of British Columbia  Vancouver British Columbia Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nathan B.","family":"Furey","sequence":"additional","affiliation":[{"name":"Fish and Movement Ecology Laboratory, Department of Biological Sciences University of New Hampshire  Durham New Hampshire USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,10,8]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tree.2020.10.018"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/1365-2656.12066"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature10240"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1890\/12-1200.1"},{"key":"e_1_2_9_6_1","unstructured":"B.C. 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