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Across species, there is variation in whether the sexes respond the same or differently to extreme temperatures. Accordingly, our study investigated the sex\u2010specific responses to an acute heat exposure. We assigned adult male and female zebra finches to a 5\u2010h control (22\u00b0C; female:\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200920, male:\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200919) or a heat treatment (43\u00b0C; female:\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200923, male:\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200922). We collected blood samples 2 weeks pre\u2010treatment and immediately post\u2010treatment to measure blood concentrations of corticosterone, glucose, ketones (beta\u2010hydroxybutyrate), and DNA damage. Additionally, we measured the core body temperatures of the birds via PIT tags. Heat exposure significantly increased body temperature, blood glucose, blood ketone, and plasma corticosterone levels. In contrast, we found no significant difference in DNA damage levels in the red blood cells. Finally, we found no sex differences in these physiological measures. To explore systematic interactions, we utilized Gaussian Graphical Models, which indicated that heat stress results in more coupled interactions between variables. Notably, ketones and glucose were positively correlated in the control group but negatively correlated in the heated group, suggesting a shift in metabolic fuel utilization. Our findings suggest that physiological and cellular responses to acute heat stress are consistent across sexes in adult zebra finches. These findings are an important step to better understand the physiological underpinnings of how birds respond to acute heat stress.\n                  <\/jats:p>","DOI":"10.1002\/jez.70120","type":"journal-article","created":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T10:54:14Z","timestamp":1785754454000},"page":"859-870","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Acute Heat Exposure Upregulates Zebra Finch Physiology While Avoiding DNA Damage Across Both Sexes"],"prefix":"10.1002","volume":"345","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-1809-4811","authenticated-orcid":false,"given":"Benjamin D.","family":"Haussmann","sequence":"first","affiliation":[{"name":"Department of Biological Sciences Auburn University Auburn Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-0366-7798","authenticated-orcid":false,"given":"Margaret R.","family":"McGrath","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences Auburn University Auburn Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danica H.","family":"Vo","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences Auburn University Auburn Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7540-0792","authenticated-orcid":false,"given":"Kevin","family":"Pham","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences Auburn University Auburn Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8488-2332","authenticated-orcid":false,"given":"Natalie R.","family":"Gassman","sequence":"additional","affiliation":[{"name":"Department of Pathology, Heersink School of Medicine The University of Alabama at Birmingham Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tonia S.","family":"Schwartz","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences Auburn University Auburn Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haruka","family":"Wada","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences Auburn University Auburn Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,3]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1186\/s41936-023-00331-z"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1613625114"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2019-031825"},{"key":"e_1_2_10_5_1","first-page":"arae036","volume-title":"Behavioral Ecology","author":"Barrett R.","year":"2024"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psj.2020.09.052"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.3109\/02656736.2014.971446"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1037\/met0000476"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ygcen.2018.07.007"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mam.2012.12.010"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1086\/physzool.37.4.30152758"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1821312116"},{"key":"e_1_2_10_13_1","first-page":"coaa048","volume-title":"Conservation Physiology","author":"Conradie S. 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