Underline denotes undergraduate authors
Journal Articles
2023
Fokidis HB, T Brock, C Newman, DW Macdonald, and CD Buesching. 2023. Assessing chronic stress in wild mammals using claw-derived cortisol: a validation using European badgers (Meles meles). Conservation Physiology. 11(1) PDF
Fokidis HB. 2023. Path analysis reveals that corticosterone mediates gluconeogenesis from fat-derived substrates during acute stress in songbirds (Preprint). BioRxiv. PDF
2021
Harten L, N Gonceer, M Handel, HB Fokidis & Y Yovel. 2021. Urban bat pups take after their mothers and are bolder and faster learners than rural pups. BMC Biology. 19: 190 PDF
Quintana L, C Jalabert, HB Fokidis, KK Soma, & L Zubizarreta. 2021. Mini Review. Neuroendocrine mechanisms underlying non-breeding aggression: common strategies between birds and fish. Frontiers in Neural Circuits. 15: 716605 PDF
Himmelstein R, A Spahija & HB Fokidis. 2021. Evidence for fasting induced extra-adrenal steroidogenesis in the male brown anole, Anolis sagrei. Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology. 253: 110544 PDF
2020
Fokidis HB & T Brock. 2020. Hurricane Irma induces divergent behavioral and hormonal impacts on an urban and forest population of invasive Anolis lizards. Evidence for an urban resilience hypothesis. Journal of Urban Ecology. 1-15 PDF
Brashears JA, HB Fokidis, & DF DeNardo. 2020. Fear-based aggression and Its relationship to corticosterone responsiveness in three species of python. General and Comparative Endocrinology. 289: PDF
2019
Fokidis HB, C Ma, B Radin, N Prior, H Adomat, E Guns, K Soma. 2019. Neuropeptide Y and orexin immunoreactivity in the sparrow brain coincide with seasonal changes in energy balance and steroids. Journal of Comparative Neurology. 527:347-361. PDF
2017
Mack Z, & HB Fokidis. 2017. A novel method for assessing chronic cortisol concentrations in dogs using the nail as a source. Domestic Animal Endocrinology 59: 53-57. PDF
2016
Fokidis HB. 2016. Sources of variation in plasma corticosterone and dehydroepiandrosterone in the male Northern cardinal (Cardinalis cardinalis): I. Seasonal patterns and effects of stress and adrenocorticotropic hormone. General and Comparative Endocrinology 235: 192-200. PDF
Wright SA, & HB Fokidis. 2016. Sources of variation in plasma corticosterone and dehydroepiandrosterone in the male Northern cardinal (Cardinalis cardinalis): II. Effects of urbanization, food supplementation and social stress. General and Comparative Endocrinology 235: 201-209. PDF
Butler MW, TJ Lutz, HB Fokidis, and ZR Stahlschmidt. 2016. Eating increases oxidative damage in a reptile. Journal of Experimental Biology 219: 1969-1973. PDF
Prior NH, KN Yap, HH Adomat, MC Mainwaring, HB Fokidis, ES Guns, KL Buchanan, SC Griffith, & KK Soma. 2016. Sex steroid profiles and pair-maintenance behavior of captive wild-caught zebra finches (Taeniopygia guttata). Journal of Comparative Physiology A 202: 35-44. PDF
2015
LA Neuman-Lee, HB Fokidis, AR Spence, M Van der Walt, GD Smith, S Durham, & SS French. 2015. Food restriction and chronic stress alter energy use and affect immunity in an infrequent feeder. Functional Ecology 29: 1453-1462. PDF
Fokidis HB, MY Chin, VW Ho, HH Adomat, KK Soma, L Fazli, KM Nip, M Cox, G Krystal, A Zoubeidi, & ES Tomlinson Guns. 2015. A low carbohydrate, high protein diet suppress intratumoral androgen synthesis and slows castration-resistant prostate tumor growth in mice. Journal of Steroid Biochemistry and Molecular Biology 150: 35-45. PDF
Fokidis HB, HH Adomat, G Kharmate, E Hosseini-Beheshti, ES Guns, & KK Soma. 2015. Regulation of local steroidogenesis in the brain and prostate cancer: Lessons learned from interdisciplinary collaboration. Frontiers in Neuroendocrinology 36: 108-129. PDF
2013
Fokidis HB, NH Prior, & KK Soma. 2013. Fasting increases aggression and differentially modulates local and systemic steroid levels in male zebra finches. Endocrinology 154: 4328-4339. PDF
2012
Fokidis HB, MB de Roziers, R Sparr, C Rogowski, K Sweazea, & P Deviche. 2012. Unpredictable food availability induces metabolic and hormonal changes independent of food intake in a sedentary songbird. Journal of Experimental Biology 215: 2920-2930. PDF
Deviche P, PJ Sharp, A Dawson, J Sabo, HB Fokidis, S Davies, & L Hurley. 2012. Up to the challenge? Hormonal and behavioral responses of free-ranging male Cassin’s Sparrows, Peucaea cassinii, to simulated territorial intrusion. Hormones and Behavior 61: 741-749. PDF
Fokidis HB, & P Deviche. 2012. Brain arginine vasotocin (AVT) immunoreactivity differs between urban and desert Curve-billed Thrashers, Toxostoma curvirostre: relationships with territoriality and stress physiology. Brain, Behavior and Evolution 79: 84-97. PDF
2011
Fokidis HB, L Hurley, C Rogowski, K Sweazea, & P Deviche. 2011. Captivity and body condition correlates of plasma corticosterone and metabolites and of locomotor activity in a male passerine. Physiological and Biochemical Zoology 84: 595-606. PDF
Fokidis HB, & P Deviche. 2011. Plasma corticosterone of city and desert Curve-billed Thrashers, Toxostoma curvirostre, in response to stress-related peptide administration. Comparative Biochemistry and Physiology Part A: Molecular and Integrative Physiology 159: 32-38. PDF
Schrey AW, M Grispo, M Awad, MB Cook, ED McCoy, HR Mushinsky, T Albayrak, S Bensch, LK Butler, HB Fokidis, H Jensen, T Imboma, AM Reynolds, MM Rios, LM Romero, IRK Stewart, H Westerdahl, DF Westneat, P Zehtindjiev, & LB Martin. 2011. Broad-scale latitudinal patterns of genetic diversity among native European and introduced house sparrow (Passer domesticus) populations. Molecular Ecology 20: 1133-1143. PDF
Fokidis HB, M Orchinik, & P Deviche. 2011. Context-specific territorial behavior in urban birds: No evidence for involvement of testosterone or corticosterone. Hormones and Behavior 59: 133-143. PDF
Fokidis HB. 2011. Homeowners associations: friend or foe to native desert avifauna? Conservation concerns and opportunities for research. Journal of Arid Environments 75: 394-396. PDF
2010
Deviche P, L Hurley, HB Fokidis, B Lerbour, B Silverin, B Silverin, J Sabo, & PJ Sharp. 2010. Acute stress rapidly decreases plasma testosterone but not luteinizing hormone in a free-ranging male songbird: Potential site of action and mechanism. General and Comparative Endocrinology 169: 82-90. PDF
Toomey MB, MW Butler, MG Meadows, LA Taylor, HB Fokidis, & KJ McGraw. 2010. A novel method for quantifying the glossiness of animals. Behavioral Ecology and Sociobiology 64: 1047-1055. PDF
2009
Deviche P, HB Fokidis, B Lerbour, & EC Greiner. 2009. Blood parasitemia in a high latitude flexible breeder, the White-Winged Crossbill, Loxia leucoptera: contribution of seasonal relapse vs. new inoculations. Parasitology 137: 261-273. PDF
Fokidis HB, M Orchinik, & P Deviche. 2009. Corticosterone and corticosterone binding globulin in birds: Relation to urbanization in a desert city. General and Comparative Endocrinology 160: 259-270. PDF
Rising JD, DA Jackson, & HB Fokidis. 2009. Geographic variation in plumage pattern and coloration of Savannah Sparrows (Passerculus sandwichensis). Wilson Journal of Ornithology 121: 253-264. PDF
2008
Fokidis HB & TS Risch. 2008. Does gliding when pregnant select for larger females? Journal of Zoology of London 275: 237-244. PDF
Fokidis HB, & TS Risch. 2008. The burden of motherhood: gliding locomotion in mammals influences maternal reproductive investment. Journal of Mammalogy 89: 617-625. PDF
Fokidis HB, EC Greiner, & P Deviche. 2008. Interspecific variation in avian blood parasites and hematology associated with the urban-rural gradient of a desert city. Journal of Avian Biology 39: 300-310. PDF
French SS, HB Fokidis, & MC Moore. 2008. Variation in stress and innate immunity in the tree lizard (Urosaurus ornatus) across an urban-rural gradient. Journal of Comparative Physiology B 178: 997-1005. PDF
2007
Fokidis HB, TS Risch, & TC Glenn. 2007. Reproductive and resource benefits to large female body size in a mammal exhibiting female-biased sexual size dimorphism. Animal Behavior 73: 479-488. PDF
2006
Medlin Jr. RE, SC Brandebura, HB Fokidis, & TS Risch. 2006. Distribution of Arkansas’s Bottomland Bats. Journal of Arkansas Academy of Science 60: 189-191. PDF
Fokidis HB, C Robertson, & TS Risch. 2006. Keeping tabs: are redundant marking systems needed for rodents? Wildlife Society Bulletin 34: 764-771. PDF
2005
Fokidis HB, SC Brandebura, & TS Risch. 2005. Distributions of bats in bottomland hardwood forests of the Arkansas Delta Region. Journal of Arkansas Academy of Science 59: 51-56. PDF
Fokidis HB, & TS Risch. 2005. The use of nest boxes to sample arboreal vertebrates. Southeastern Naturalist 4: 447-458. PDF
2003
Fokidis HB, NA Schable, C Hagen, TC Glenn, & TS Risch. 2003. Characterization of microsatellite DNA loci for the southern flying squirrel (Glaucomys volans). Molecular Ecology Notes 3: 616-618. PDF
2023
Fokidis HB, T Brock, C Newman, DW Macdonald, and CD Buesching. 2023. Assessing chronic stress in wild mammals using claw-derived cortisol: a validation using European badgers (Meles meles). Conservation Physiology. 11(1) PDF
Fokidis HB. 2023. Path analysis reveals that corticosterone mediates gluconeogenesis from fat-derived substrates during acute stress in songbirds (Preprint). BioRxiv. PDF
2021
Harten L, N Gonceer, M Handel, HB Fokidis & Y Yovel. 2021. Urban bat pups take after their mothers and are bolder and faster learners than rural pups. BMC Biology. 19: 190 PDF
Quintana L, C Jalabert, HB Fokidis, KK Soma, & L Zubizarreta. 2021. Mini Review. Neuroendocrine mechanisms underlying non-breeding aggression: common strategies between birds and fish. Frontiers in Neural Circuits. 15: 716605 PDF
Himmelstein R, A Spahija & HB Fokidis. 2021. Evidence for fasting induced extra-adrenal steroidogenesis in the male brown anole, Anolis sagrei. Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology. 253: 110544 PDF
2020
Fokidis HB & T Brock. 2020. Hurricane Irma induces divergent behavioral and hormonal impacts on an urban and forest population of invasive Anolis lizards. Evidence for an urban resilience hypothesis. Journal of Urban Ecology. 1-15 PDF
Brashears JA, HB Fokidis, & DF DeNardo. 2020. Fear-based aggression and Its relationship to corticosterone responsiveness in three species of python. General and Comparative Endocrinology. 289: PDF
2019
Fokidis HB, C Ma, B Radin, N Prior, H Adomat, E Guns, K Soma. 2019. Neuropeptide Y and orexin immunoreactivity in the sparrow brain coincide with seasonal changes in energy balance and steroids. Journal of Comparative Neurology. 527:347-361. PDF
2017
Mack Z, & HB Fokidis. 2017. A novel method for assessing chronic cortisol concentrations in dogs using the nail as a source. Domestic Animal Endocrinology 59: 53-57. PDF
2016
Fokidis HB. 2016. Sources of variation in plasma corticosterone and dehydroepiandrosterone in the male Northern cardinal (Cardinalis cardinalis): I. Seasonal patterns and effects of stress and adrenocorticotropic hormone. General and Comparative Endocrinology 235: 192-200. PDF
Wright SA, & HB Fokidis. 2016. Sources of variation in plasma corticosterone and dehydroepiandrosterone in the male Northern cardinal (Cardinalis cardinalis): II. Effects of urbanization, food supplementation and social stress. General and Comparative Endocrinology 235: 201-209. PDF
Butler MW, TJ Lutz, HB Fokidis, and ZR Stahlschmidt. 2016. Eating increases oxidative damage in a reptile. Journal of Experimental Biology 219: 1969-1973. PDF
Prior NH, KN Yap, HH Adomat, MC Mainwaring, HB Fokidis, ES Guns, KL Buchanan, SC Griffith, & KK Soma. 2016. Sex steroid profiles and pair-maintenance behavior of captive wild-caught zebra finches (Taeniopygia guttata). Journal of Comparative Physiology A 202: 35-44. PDF
2015
LA Neuman-Lee, HB Fokidis, AR Spence, M Van der Walt, GD Smith, S Durham, & SS French. 2015. Food restriction and chronic stress alter energy use and affect immunity in an infrequent feeder. Functional Ecology 29: 1453-1462. PDF
Fokidis HB, MY Chin, VW Ho, HH Adomat, KK Soma, L Fazli, KM Nip, M Cox, G Krystal, A Zoubeidi, & ES Tomlinson Guns. 2015. A low carbohydrate, high protein diet suppress intratumoral androgen synthesis and slows castration-resistant prostate tumor growth in mice. Journal of Steroid Biochemistry and Molecular Biology 150: 35-45. PDF
Fokidis HB, HH Adomat, G Kharmate, E Hosseini-Beheshti, ES Guns, & KK Soma. 2015. Regulation of local steroidogenesis in the brain and prostate cancer: Lessons learned from interdisciplinary collaboration. Frontiers in Neuroendocrinology 36: 108-129. PDF
2013
Fokidis HB, NH Prior, & KK Soma. 2013. Fasting increases aggression and differentially modulates local and systemic steroid levels in male zebra finches. Endocrinology 154: 4328-4339. PDF
2012
Fokidis HB, MB de Roziers, R Sparr, C Rogowski, K Sweazea, & P Deviche. 2012. Unpredictable food availability induces metabolic and hormonal changes independent of food intake in a sedentary songbird. Journal of Experimental Biology 215: 2920-2930. PDF
Deviche P, PJ Sharp, A Dawson, J Sabo, HB Fokidis, S Davies, & L Hurley. 2012. Up to the challenge? Hormonal and behavioral responses of free-ranging male Cassin’s Sparrows, Peucaea cassinii, to simulated territorial intrusion. Hormones and Behavior 61: 741-749. PDF
Fokidis HB, & P Deviche. 2012. Brain arginine vasotocin (AVT) immunoreactivity differs between urban and desert Curve-billed Thrashers, Toxostoma curvirostre: relationships with territoriality and stress physiology. Brain, Behavior and Evolution 79: 84-97. PDF
2011
Fokidis HB, L Hurley, C Rogowski, K Sweazea, & P Deviche. 2011. Captivity and body condition correlates of plasma corticosterone and metabolites and of locomotor activity in a male passerine. Physiological and Biochemical Zoology 84: 595-606. PDF
Fokidis HB, & P Deviche. 2011. Plasma corticosterone of city and desert Curve-billed Thrashers, Toxostoma curvirostre, in response to stress-related peptide administration. Comparative Biochemistry and Physiology Part A: Molecular and Integrative Physiology 159: 32-38. PDF
Schrey AW, M Grispo, M Awad, MB Cook, ED McCoy, HR Mushinsky, T Albayrak, S Bensch, LK Butler, HB Fokidis, H Jensen, T Imboma, AM Reynolds, MM Rios, LM Romero, IRK Stewart, H Westerdahl, DF Westneat, P Zehtindjiev, & LB Martin. 2011. Broad-scale latitudinal patterns of genetic diversity among native European and introduced house sparrow (Passer domesticus) populations. Molecular Ecology 20: 1133-1143. PDF
Fokidis HB, M Orchinik, & P Deviche. 2011. Context-specific territorial behavior in urban birds: No evidence for involvement of testosterone or corticosterone. Hormones and Behavior 59: 133-143. PDF
Fokidis HB. 2011. Homeowners associations: friend or foe to native desert avifauna? Conservation concerns and opportunities for research. Journal of Arid Environments 75: 394-396. PDF
2010
Deviche P, L Hurley, HB Fokidis, B Lerbour, B Silverin, B Silverin, J Sabo, & PJ Sharp. 2010. Acute stress rapidly decreases plasma testosterone but not luteinizing hormone in a free-ranging male songbird: Potential site of action and mechanism. General and Comparative Endocrinology 169: 82-90. PDF
Toomey MB, MW Butler, MG Meadows, LA Taylor, HB Fokidis, & KJ McGraw. 2010. A novel method for quantifying the glossiness of animals. Behavioral Ecology and Sociobiology 64: 1047-1055. PDF
2009
Deviche P, HB Fokidis, B Lerbour, & EC Greiner. 2009. Blood parasitemia in a high latitude flexible breeder, the White-Winged Crossbill, Loxia leucoptera: contribution of seasonal relapse vs. new inoculations. Parasitology 137: 261-273. PDF
Fokidis HB, M Orchinik, & P Deviche. 2009. Corticosterone and corticosterone binding globulin in birds: Relation to urbanization in a desert city. General and Comparative Endocrinology 160: 259-270. PDF
Rising JD, DA Jackson, & HB Fokidis. 2009. Geographic variation in plumage pattern and coloration of Savannah Sparrows (Passerculus sandwichensis). Wilson Journal of Ornithology 121: 253-264. PDF
2008
Fokidis HB & TS Risch. 2008. Does gliding when pregnant select for larger females? Journal of Zoology of London 275: 237-244. PDF
Fokidis HB, & TS Risch. 2008. The burden of motherhood: gliding locomotion in mammals influences maternal reproductive investment. Journal of Mammalogy 89: 617-625. PDF
Fokidis HB, EC Greiner, & P Deviche. 2008. Interspecific variation in avian blood parasites and hematology associated with the urban-rural gradient of a desert city. Journal of Avian Biology 39: 300-310. PDF
French SS, HB Fokidis, & MC Moore. 2008. Variation in stress and innate immunity in the tree lizard (Urosaurus ornatus) across an urban-rural gradient. Journal of Comparative Physiology B 178: 997-1005. PDF
2007
Fokidis HB, TS Risch, & TC Glenn. 2007. Reproductive and resource benefits to large female body size in a mammal exhibiting female-biased sexual size dimorphism. Animal Behavior 73: 479-488. PDF
2006
Medlin Jr. RE, SC Brandebura, HB Fokidis, & TS Risch. 2006. Distribution of Arkansas’s Bottomland Bats. Journal of Arkansas Academy of Science 60: 189-191. PDF
Fokidis HB, C Robertson, & TS Risch. 2006. Keeping tabs: are redundant marking systems needed for rodents? Wildlife Society Bulletin 34: 764-771. PDF
2005
Fokidis HB, SC Brandebura, & TS Risch. 2005. Distributions of bats in bottomland hardwood forests of the Arkansas Delta Region. Journal of Arkansas Academy of Science 59: 51-56. PDF
Fokidis HB, & TS Risch. 2005. The use of nest boxes to sample arboreal vertebrates. Southeastern Naturalist 4: 447-458. PDF
2003
Fokidis HB, NA Schable, C Hagen, TC Glenn, & TS Risch. 2003. Characterization of microsatellite DNA loci for the southern flying squirrel (Glaucomys volans). Molecular Ecology Notes 3: 616-618. PDF
Book Chapters
Heimovics SA, HB Fokidis, & KK Soma. 2012. Chapter 11: Brain aromatase and territorial aggression across the seasons in male song sparrows; in Brain Aromatase, Estrogens, and Behavior. Editor: J Balthazart & GF Ball. Oxford University Press. PDF
Deviche P, L Hurley, & HB Fokidis. 2010. Avian testicular structure, function, and regulation; in Hormones and Reproduction of Vertebrates, Volume 4: Birds. Editor: D Norris. Elsevier Inc. PDF
Heimovics SA, HB Fokidis, & KK Soma. 2012. Chapter 11: Brain aromatase and territorial aggression across the seasons in male song sparrows; in Brain Aromatase, Estrogens, and Behavior. Editor: J Balthazart & GF Ball. Oxford University Press. PDF
Deviche P, L Hurley, & HB Fokidis. 2010. Avian testicular structure, function, and regulation; in Hormones and Reproduction of Vertebrates, Volume 4: Birds. Editor: D Norris. Elsevier Inc. PDF
Student Theses and Dissertations
Kaza A. 2022. One cell’s trash is another cell’s treasure: The role of exosomes in stress physiology of the brown anole (Anolis sagrei). Honors Thesis. Rollins College. PDF
Tassent Y. 2022. The regulation of stress steroid release in freshwater turtles. Honors Thesis. Rollins College. PDF
Caldwell K. 2021. Comparing interrelated stress measures to differentiate acute and chronic stress in urban freshwater turtles. Honors Thesis. Rollins College. PDF
Spahija A. 2018. Detection of local steroidogenic enzyme gene expression in brown anoles. Honors Thesis. Rollins College. PDF
Munoz R. 2016. The effect of fasting on local steroidogenesis in the brown anole, Anolis sagrei. Honors Thesis. Rollins College. PDF
Wright S. 2015. Energetic costs of aggression in the Northern Cardinal. Honors Thesis. Rollins College. PDF
Mack Z. 2015. Analysis of the embedded cortisol signature in the nail of Canis lupus familiaris. Honors Thesis. Rollins College. PDF
Fokidis HB. 2010. From the brain to the barrio: Energy and stress interact to facilitate the urbanization of Sonoran Desert birds. PhD Dissertation. Arizona State University. PDF
Fokidis HB. 2004. The effects of female age on sexual size dimorphism and multiple paternity in the Southern flying squirrel. MS Thesis. Arkansas State University.
Kaza A. 2022. One cell’s trash is another cell’s treasure: The role of exosomes in stress physiology of the brown anole (Anolis sagrei). Honors Thesis. Rollins College. PDF
Tassent Y. 2022. The regulation of stress steroid release in freshwater turtles. Honors Thesis. Rollins College. PDF
Caldwell K. 2021. Comparing interrelated stress measures to differentiate acute and chronic stress in urban freshwater turtles. Honors Thesis. Rollins College. PDF
Spahija A. 2018. Detection of local steroidogenic enzyme gene expression in brown anoles. Honors Thesis. Rollins College. PDF
Munoz R. 2016. The effect of fasting on local steroidogenesis in the brown anole, Anolis sagrei. Honors Thesis. Rollins College. PDF
Wright S. 2015. Energetic costs of aggression in the Northern Cardinal. Honors Thesis. Rollins College. PDF
Mack Z. 2015. Analysis of the embedded cortisol signature in the nail of Canis lupus familiaris. Honors Thesis. Rollins College. PDF
Fokidis HB. 2010. From the brain to the barrio: Energy and stress interact to facilitate the urbanization of Sonoran Desert birds. PhD Dissertation. Arizona State University. PDF
Fokidis HB. 2004. The effects of female age on sexual size dimorphism and multiple paternity in the Southern flying squirrel. MS Thesis. Arkansas State University.
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