Review Papers & Book Chapters:

Romero, L.M., Butler, L.K.  2008.  Endocrinology of stress.  Int. J. Comp. Psychol.  In press.

Romero, L.M. 2007.  Seasonal Rhythms. In: George Fink, (Editor-in-Chief).  Encyclopedia of Stress, Second Edition, volume 3, pp. 432-435. Oxford: Academic Press.

Nephew, B.C. Romero, L.M. 2005 A cardiovascular mechanism for the behavioral effects of arginine vasotocin (AVT) during and following acute stress. In: Dawson, A., Sharp, P.J. (Eds), Functional Avian Endocrinology. Narosa Publishing House, New Delhi, India. 241-257.

Wingfield, J.C., Owen-Ashley, N., Benowitz-Fredericks, Z.M., Lynn, S., Hahn, T.P., Wada, H., Breuner, C., Meddle, S., Romero, L.M. 2004. Arctic spring: the arrival biology of migrant birds. Acta Zool Sinica. 50:948-960.

Romero, L.M. 2004. Physiological stress in ecology: lessons from biomedical research. Trends Ecol. Evol. 19:249-255.

Wikelski, M., Romero, L.M. 2003. Body size, performance and fitness in Galapagos marine iguanas. Integr. Comp. Biol. 43:376-386.

Romero, L.M. 2002. Seasonal changes in plasma glucocorticoid concentrations in free-living vertebrates. Gen. Comp. Endocrinol. 128:1-24.

Romero, L.M., Wikelski, M. 2002. Severe effects of low-level oil contamination on wildlife predicted by the corticosterone-stress response: preliminary data and a research agenda. Spill Sci & Tech Bull 7:309-313.

Romero, L.M. 2002. Mechanisms underlying seasonal differences in the avian stress response. In: Dawson, A., Chaturvedi, C.M. (Eds), Avian Endocrinology. Narosa Publishing House, New Delhi, India. 373-384.

Wingfield, J.C., Romero, L.M. 2001. Adrenocortical responses to stress and their modulation in free-living vertebrates. In: McEwen, B.S., Goodman, H.M. (Eds), Handbook of Physiology; Section 7: The Endocrine System; Volume IV: Coping with the Environment: Neural and Endocrine Mechanisms. Oxford Univ. Press, New York. 211-234.

Sapolsky, R.M., Romero, L.M., Munck, A.U. 2000. How do glucocorticoids influence stress-responses? Integrating permissive, suppressive, stimulatory, and adaptive actions. Endocrine Rev. 21:55-89

Romero, L.M., Wingfield, J.C. 1999. A novel technique for injecting behaviourally-active peptides into the brains of wild, freely-behaving passerines. In: Adams, N., Slotow, R. (Eds), Proc. 22 Int. Ornithol. Congr. Durban, University of Natal. 1251-1256.

Romero, L.M., Sapolsky, R.M. 1996. Patterns of ACTH secretagog secretion in response to psychological stimuli. J. Neuroendocrinology 8:243-258.

Research Papers:

Romero, L.M., Meister, C.J., Cyr, N.E., Kenagy, G.J., Wingfield, J.C.  2008.  Seasonal glucocorticoid responses to capture in wild free-living mammals. Am. J. Physiol. Regulatory Integrative Comp. Physiol.  294:R614-622.

DuRant, S.E., Romero, L.M., Talent, L.G., Hopkins, L.W.A. 2008.  Effect of exogenous corticosterone on respiration in a reptile. Gen. Comp. Endocrinol. In press.

Cyr, N.E., Wikelski, M. Romero, L.M.  2008.  Increased energy expenditure but decreased stress responsiveness during molt. Physiol Biochem. Zool.  In Press.

Strochlic, D.  Romero, L.M.  2008.  The effects of chronic psychological and physical stress on feather replacement in European starlings (Sturnus vulgaris).  Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol.  149:68-79.

Romero, L.M., Reed, J.M. 2008.  Repeatability of Baseline Corticosterone Concentrations. Gen. Comp. Endocrinol. In press.

Berger, S., Wikelski, M., Romero, L.M. Kalko, E.K.V., Rödl, T.   2007.  Behavioral and physiological adjustments to new predators in an endemic island species, the Galápagos Marine iguana. Horm. Behav.  52:653-663.

Cyr, N.E., Earle, K., Tam, C., Romero, L.M.  2007.  The effect of chronic psychological stress on corticosterone, plasma metabolites, and immune responsiveness in European starlings. Gen. Comp. Endocrinol.  154:59-66.

Romero, L.M., Rich, E.L.  2007.  Photoperiodically-induced changes in hypothalamic-pituitary-adrenal axis sensitivity in captive house sparrows (Passer domesticus).  Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol.  147:562-568.

Cyr, N.E., Romero, L.M.  2007.  Chronic stress in free-living European starlings reduces corticosterone concentrations and reproductive success. Gen. Comp. Endocrinol.  151:82-89.

Rödl, T., Berger, S., Romero, L.M., Wikelski, M.  2007.  Tameness and stress physiology in a predator-naïve island species confronted with novel predation threat. Proc. Royal Soc. Lond. B.  274:577-582.

Dickens, M.J., Nephew, B.C., Romero, L.M.  2006.  Captive European starlings (Sturnus vulgaris) in breeding condition show an increased cardiovascular stress response to intruders.  Physiol Biochem. Zool. 79:937-943.
Romero, L.M., Holt, D., Maples, M., Wingfield, J.C.  2006.  Corticosterone is not correlated with nest departure in snowy owl chicks (Nyctea scandiaca). Gen. Comp. Endocrinol.   149:119-123.
Romero, L.M.  2006.  Seasonal changes in hypothalamic-pituitary-adrenal axis sensitivity in free-living house sparrows (Passer domesticus). Gen. Comp. Endocrinol.  149:66-71.

Romero, L.M., Cyr, N.E., Romero, R.C.  2006.  Corticosterone responses change seasonally in free-living house sparrows (Passer domesticus). In Press.

Dickens, M.J., Nephew, B.C., Romero, L.M.  2006.  Captive European starlings (Sturnus vulgaris) in breeding condition show an increased cardiovascular stress response to intruders.  Physiol Biochem. Zool. In Press.

Romero, L.M., Holt, D., Maples, M., Wingfield, J.C.  2006.  Corticosterone is not correlated with nest departure in snowy owl chicks (Nyctea scandiaca).  In Press.

Romero, L.M., Wikelski, M.  2006.  Diurnal and nocturnal differences in hypothalamic-pituitary-adrenal axis function in Galápagos marine iguanas. Gen. Comp. Endocrinol. 145:177-181.

Romero, L.M., Strochlic, D., Wingfield, J.C. 2005. Corticosterone inhibits feather growth: potential mechanism explaining seasonal down regulation of corticosterone during molt. Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 142: 65-73 .

Nephew, B.C., Reed, J.M., Romero, L.M. 2005. A potential cardiovascular mechanism for the behavioral effects of central and peripheral arginine vasotocin (AVT). Gen. Comp. Endocrinol. 144: 156-166.

O'Hearn, P.P., Romero, L.M., Carlson, R., Delehanty, D.J. 2005. Effective subcutaneous implantation of radio-transmitters into the furcular cavity of chukar. Wildlife Soc. Bull. 33: 1033-1046.

Rich, E. L., Romero, L.M. 2005. Exposure to Chronic Stress Downregulates Corticosterone Responses to Acute Stressors. Am. J. Physiol. Regulatory Integrative Comp. Physiol. 288:R1628-R1636.

Berger, S., Martin II, L.B., Wikelski, M., Romero, L.M., Kalko, E..K.V., Vitousek, M.N., Rödl, T. 2005. Corticosterone suppresses immune activity in territorial Galápagos marine iguanas during reproduction. Horm. Behav. 47:419-429.

Nephew, B.C. Aaron, R.S. Romero, L.M. 2005. Effects of arginine vasotocin (AVT) on the behavioral, cardiovascular, and corticosterone responses of starlings (Sturnus vulgaris) to crowding. Horm. Behav. 47:280-289.

Romero, L.M., Reed, J.M. 2005. Collecting baseline corticosterone samples in the field: is under three minutes good enough? Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 140:73-79.

Almedom, A.M,, Teclemichael, T., Romero, L.M., Alemu Z. 2005. Postnatal salivary cortisol and sense of coherence (SOC) in Eritrean mothers. Amer. J. Human. Biol. 7:376-379.

Cooperman, M.D., Reed, J.M., Romero, L.M. 2004. The effects of terrestrial and breeding densities on corticosterone and testosterone levels in spotted salamanders, Ambystoma maculatum. Can. J. Zool. 82:1795-1803.

Nephew, B.C., Romero, L.M. 2003. Behavioral, physiological, and endocrine responses of starlings to acute increases in density. Horm. Behav. 44:222-232.

Nephew, B.C., Kahn, S.A., Romero, L.M. 2003. Heart rate and behavior change independently of corticosterone following acute auditory and visual stressors. Gen. Comp. Endocrinol 133:173-180.

Woodley, S.K., Painter, D.L., Moore, M.C., Wikelski, M., Romero, L.M. 2003. Effect of tidal cycle and food intake on the baseline plasma corticosterone rhythm in intertidally foraging marine iguanas. Gen. Comp. Endocrinol 132:216-222.

Homan, R.N., Reed, J.M., Romero, L.M. 2003. Corticosterone concentrations in free-living spotted salamanders (Ambystoma maculatum). Gen. Comp. Endocrinol 130:165-171.

Homan, R.N., Regosin, J.V., Rodrigues, D.M., Reed, J.M., Windmiller, B.S., Romero, L.M. 2003. Impacts of varying habitat quality on the physiological stress of spotted salamanders (Ambystoma maculatum). Anim. Conserv. 6:11-18.

Remage-Healey, L., Adkins-Regan, E., Romero, L.M. 2003. Behavioral and adrenocortical responses to mate separation and reunion in the zebra finch. Horm. Behav. 43:108-114.

Remage-Healey, L., Romero, L.M. 2002. Corticosterone and insulin interact to regulate glucose and lipid concentrations during stress in starlings undergoing molt. Gen. Comp. Endocrinol 129:88-94.

Meddle, S.L., Romero, L.M., Astheimer, L.B., Buttemer, W.A., Wingfield, J.C. 2002. Steroid hormone interrelationships with territorial aggression in an arctic-breeding songbird, Gambel's white-crowned sparrow, Zonotrichia leucophrys gambelii. Horm. Behav. 42:212-221.

Romero, L.M., Wikelski, M. 2002. Exposure to tourism reduces stress-induced corticosterone levels in Galápagos marine iguanas. Biol. Conserv. 108:371-374.

Hau, M., Romero, L.M., Brawn, J.D., Van't Hof, T.J. 2002. Effect of polar day on plasma profiles of melatonin, testosterone and estradiol in high-arctic Lapland Longspurs. Gen. Comp. Endocrinol. 126:101-112.

Romero, L.M., Romero, R.C. 2002. Corticosterone responses in wild birds: the importance of rapid initial sampling. Condor, 104:129-135.

Remage-Healey, L., Romero, L.M. 2001. Corticosterone and insulin interact to regulate glucose and triglyceride levels during stress in a bird. Am. J. Physiol. Regulatory Integrative Comp. Physiol. 281:R994-R1003.

Wikelski, M., Romero, L.M., Snell, H.L. 2001. Marine iguanas oiled in Galápagos. Science. 292:437-438.

Romero, L.M., Wikelski, M. 2001. Corticosterone levels predict survival probabilities of Galápagos marine iguanas during El Niño events. Proc. Nat. Acad. Sci. 13:7366-7370.

Rich, E.L., Romero, L.M. 2001. Daily and photoperiod variations of basal and stress-induced corticosterone concentrations in house sparrows (Passer domesticus). J. Comp. Physiol. B. 171:543-547.

Romero, L.M., Wingfield, J.C. 2001. Regulation of the hypothalamic-pituitary-adrenal axis in free-living pigeons. J. Comp. Physiol. B. 171:231-235.

Romero, L.M., Remage-Healey, L. 2000. Daily and seasonal variation in response to stress in captive starlings (Sturnus vulgaris): corticosterone. Gen. Comp. Endocrinol. 119:52-59.

Remage-Healey, L., Romero, L.M. 2000. Daily and seasonal variation in response to stress in captive starlings (Sturnus vulgaris): glucose. Gen. Comp. Endocrinol. 119:60-68.

Romero, L.M., Reed, J.M., Wingfield, J.C. 2000. Effects of weather on corticosterone responses in wild, free-living passerine birds. Gen. Comp. Endocrinol. 118:113-122.

Romero, L.M., Wingfield, J.C. 1999. Alterations in hypothalamic-pituitary-adrenal function associated with captivity in Gambel's white-crowned sparrows (Zonotrichia leucophrys gambelii). Comp. Biochem. Physiol. 122B:13-20.

Breuner, C.W., Wingfield, J.C., Romero, L.M. 1999 Diel rhythms of basal and stress-induced corticosterone in a wild, seasonal vertebrate, Gambel's white-crowned sparrow. J. Exp. Zool. 284:334-342.

Romero, L.M., Dean, S.C., Wingfield, J.C. 1998. Neurally-active stress peptide inhibits territorial defense in wild birds. Horm. Behav. 34:239-247.

Romero, L.M., Soma, K.K., Wingfield, J.C. 1998. Changes in pituitary and adrenal sensitivities allow the snow bunting (Plectrophenax nivalis ), an Arctic-breeding song bird, to modulate corticosterone release seasonally. J. Comp. Physiol. B 168:353-358.

Romero, L.M., Soma, K.K., Wingfield, J.C. 1998. Hypothalamic-pituitary-adrenal axis changes allow seasonal modulation of corticosterone release in a bird. Am. J. Physiol. 274:R1338-R1344.

Romero, L.M., Soma, K.K., O'Reilly, K.M., Suydam, R., Wingfield, J.C. 1998. Hormones and territorial behavior during breeding in snow buntings (Plectrophenax nivalis - an arctic-breeding song bird). Horm. Behav. 33:40-47.

Romero, L.M., Soma, K.K., Wingfield, J.C. 1998. The hypothalamus and adrenal regulate modulation of corticosterone release in redpolls (Carduelis flammea - an arctic breeding song bird). Gen. Comp. Endocrinol. 109:347-355.

Romero, L.M., Wingfield, J.C. 1998. Seasonal changes in adrenal sensitivity alter corticosterone levels in gambel's white-crowned sparrows (Zonotrichia leucophrys gambelii). Comp. Biochem. Physiol. 119C:31-36.

Romero, L.M., Wingfield, J.C. 1997. A novel stereotaxic-like technique for injecting into the lateral ventricles of small passerine birds. Physiol. Behav. 62:1109-1112.

Romero, L.M., Soma, K.K., O'Reilly, K.M., Suydam, R., Wingfield, J.C. 1997. Territorial behavior, hormonal changes, and body condition in an arctic-breeding song bird, the redpoll (Carduelis flammea). Behaviour 134:727-747.

Romero, L.M., Ramenofsky, M., Wingfield, J.C. 1997. Season and migration alters the corticosterone response to capture and handling in an arctic migrant, the white-crowned sparrow (Zonotrichia leucophrys gambelli). Comp. Biochem. Physiol. 116C:171-177.

Romero, L.M., Levine, S., Sapolsky, R.M. 1995. Adrenocorticotropin secretagog release: stimulation by frustration and paradoxically by reward presentation. Brain Res. 676:151-156.

Romero, L.M., Levine, S., Sapolsky, R.M. 1994. Patterns of adrenocorticotropin secretagog release in response to social interactions and various degrees of novelty. Psychoneuroendocrinology, 20:183-191.

Romero, L.M., Plotsky, P.M., Sapolsky, R.M. 1993. Patterns of ACTH secretagog release with hypoglycemia, novelty, and restraint after colchicine blockade of axonal transport. Endocrinology 132:199-204.

Romero, L.M., Raley-Susman, K.M., Redish, D.M., Brooke, S.M., Horner, H.C., Sapolsky, R.M. 1992. Possible mechanism by which stress accelerates growth of virally-derived tumors. Proc. Nat. Acad. Sci. 89:11084-11087.

Reid, M.S., Kilduff, T.S., Romero, L.M., Florant, G.L., Dement, W.C., Heller, H.C. 1992. Monoamine and metabolite levels in the cerebrospinal fluid of hibernating and euthermic marmots. J. Sleep Res. 1:45-50.

Duffy, L.K., Ehrhardt, M.M., Romero, M., Florant, G.L. 1987. A note comparing the primary structure of hemoglobin ß chains of the arctic ground squirrel and the yellow-bellied marmot. Can. J. Zool. 65:3197-3200.

Book Reviews:

Romero, L.M. 2003. Seasonal Patterns of Stress, Immune Function, and Disease. By Nelson, R.J., Demas, G.E., Klein, S.L. and Kriegsfeld, L.J. Anim. Behav. 65:1061-1062