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  • Romero, L.M., Wingfield, J.C. 2016 "Tempests, Poxes, Predators, and People: Stress in Wild Animals and How They Cope." Oxford Univ. Press., N.Y. 614 pp.

Reviews and Book Chapters

  1. Parker Fischer, C., Romero, L.M. 2019. Chronic captivity stress in wild animals is highly species-specific. Conserv. Physiol. 7:coz093.
  2. MacDougall-Shackleton, S.A., Bonier, F., Romero, L.M., Moore, I.T. 2019. Glucocorticoids and "stress" are not synonymous. Integ. Org. Biol. 1:obz017.
  3. Romero, L.M. Gormally, B.M.G. 2019. How truly conserved is the "well-conserved" vertebrate stress response? Integ. Comp. Biol. 59:273-281.
  4. Bauer, C.M., Correa, L.A., Ebensperger, L.A., Romero, L.M. 2019. Stress, sleep, and sex: a review of endocrinological research in Octodon degus. Gen. Comp. Endocrinol. 273:11-19.
  5. Romero, L.M. Fight or Flight Responses. 2019. In: Choe, J.C. (ed), Encyclopedia of Animal Behavior, Second Edition. Elsevier, Academic Press, Vol. 2, pp. 547-552.
  6. Scheffer, M., Bolhuis, J.E., Borsboom, D., Buchman, T.G., Gijzel, S.M.W., Goulson, D., Kammenga, J. Kemp, B, van de Leemput, I.A., Levin, S., Martin, C.M., Melis, R., van Nes, E.H., Romero, L.M., Olde Rikkert, M. 2018. Systemic resilience of humans and other animals. Proc. Nat. Acad. Sci. 115:11883-11890.
  7. de Bruijn, R., Romero, L.M. 2018. The role of glucocorticoids in the vertebrate response to weather. Gen. Comp. Endocrinol. 269:11-32.
  8. McCormick, S.D., Romero, L.M. 2017. Conservation Endocrinology. BioSci. 67:429-422.
  9. Romero, L.M., Bauer, C.M., de Bruijn, R., Lattin, C.R. 2017. Seasonal Rhythms. In: Fink, G. (Ed.), Stress: Neuroendocrinology and Neurobiology. Academic Press, pp 421-427.
  10. Romero, L.M. Fairhurst, G.D. 2016. Measuring corticosterone in feathers: strengths, limitations, and suggestions for the future. Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 202:112-122.
  11. Dickens, M.J., Romero, L.M. 2016. Coping with stress in wild birds – the evolutionary foundations of stress responses. In: Bremner, J.D. (Ed), Posttraumatic Stress Disorder: From Neurobiology to Treatment. Wiley & Sons Inc. Hoboken, New Jersey. pp. 145-158.
  12. Lattin, C.R., Breuner, C.W., Romero, L.M. 2016. Does corticosterone regulate the onset of breeding in free-living birds?: the CORT-Flexibility Hypothesis and six potential mechanisms for priming corticosteroid function.  Horm. Behav. 78:107-120.
  13. Romero, L.M., Platts, S.H., Schoech, S.J., Wada, H., Crespi, E., Martin, L.B., Buck, C.L. 2015. Understanding stress in the healthy animal – potential paths for progress. Stress. 18:491-497.
  14. Schoech, S.J., Romero, L.M., Moore, I.T., Bonier, F. 2013. Constraints, concerns, and considerations about the necessity for estimating free glucocorticoid concentrations for field endocrine studies. Funct. Ecol.  27:1100-1106.
  15. Dickens, M.J., Romero, L.M. 2013. A consensus endocrine profile for a chronically stressed wild animal does not exist. Gen. Comp. Endocrinol. 191:177-189.
  16. Romero, L.M. 2012. Using the reactive scope model to understand why stress physiology predicts survival during starvation in Galapagos marine iguanas. Gen. Comp. Endocrinol. 176:296-299.
  17. Romero, L.M. 2010. Fight or flight response. In: Breed, M.D., Moore, J. (eds), Encyclopedia of Animal Behavior, Volume 1. pp. 710-714. Oxford: Academic Press.
  18. Dickens, M.J., Delehanty, D.J., Romero, L.M. 2010. Stress: an inevitable component of animal translocation. Biol. Conserv. 143:1329-1341. 
  19. Cyr, N.E. Romero, L.M. 2009. Identifying hormonal habituation in field studies of stress. Gen. Comp. Endocrinol. 161:295-303.
  20. Romero, L.M., Dickens, M.J., Cyr, N.E. 2009. The reactive scope model – a new model integrating homeostasis, allostasis, and stress. Horm. Behav. 55:375-389.
  21. Wright, A.J., Aguilar Soto, N., Baldwin, A.L., Bateson, M., Beale, C., Clark, C., Deak, T., Edwards, E.F., Fernández Rodríguez, A., Godinho, A., Hatch, L., Kakuschke, A., Lusseau, D., Martineau, D., Romero, L.M., Weilgart, L., Wintle, B., Notarbartolo di Sciara, G. Martin, V. 2007. Do marine mammals experience stress related to anthropogenic noise? Int. J. Comp. Psychol. 20:274-316.
  22. Wright, A.J., Aguilar Soto, N., Baldwin, A.L., Bateson, M., Beale, C., Clark, C., Deak, T., Edwards, E.F., Fernández Rodríguez, A., Godinho, A., Hatch, L., Kakuschke, A., Lusseau, D., Martineau, D., Romero, L.M., Weilgart, L., Wintle, B., Notarbartolo di Sciara, G. Martin, V. 2007. Anthropogenic noise as a stressor in animals: a multidisciplinary perspective. Int. J. Comp. Psychol. 20:250-273.
  23. Romero, L.M., Butler, L.K. 2007. Endocrinology of stress. Int. J. Comp. Psychol. 20:89-95.
  24. 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.
  25. 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.
  26. 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.
  27. Romero, L.M. 2004. Physiological stress in ecology: lessons from biomedical research. Trends Ecol. Evol. 19:249-255.
  28. Wikelski, M., Romero, L.M. 2003. Body size, performance and fitness in Galapagos marine iguanas. Integr. Comp. Biol. 43:376-386.
  29. Romero, L.M. 2002. Seasonal changes in plasma glucocorticoid concentrations in free-living vertebrates. Gen. Comp. Endocrinol. 128:1-24.
  30. 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.
  31. Romero, L.M. 2001. 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.
  32. 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.
  33. 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
  34. 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.
  35. Romero, L.M., Sapolsky, R.M. 1996. Patterns of ACTH secretagog secretion in response to psychological stimuli. J. Neuroendocrinology 8:243-258.


  1. Fischer, C.P., Gormally, B.M.G., Romero, L.M.  Captive house sparrows (Passer domesticus) show little evidence of seasonality of neophobia. J. Exp. Zool. In Press.
  2. de Bruijn, R., Romero, L.M. 2020. Prior restraint stress inhibits habituation to novel objects in European starlings (Sturnus vulgaris)J. Exp. Zool. 333:88-95.
  3. Hopkins, W.A., DuRant S.E., Beck, M.L., Ray, W.K., Helm, R.F, Romero, L.M.  2020. Cortisol is the predominant glucocorticoid in the giant paedomorphic hellbender salamander (Cryptobranchus alleganiensis). Gen. Comp. Endocrinol.  285:113267.
  4. Gormally, B.M.G., Estrada, R., Yin, H., Romero, L.M.  2019. Recovery from repeated stressors: physiology and behavior are affected on different timescales in house sparrowsGen. Comp. Endocrinol.  282:113225.
  5. Glassman, L.W., Hagmann, C.E., Qadri, M.A., Cook, R.G., Romero, L.M.  2019. The effect of learning on heart rate and behavior of European starlings (Sturnus vulgaris)J. Exp. Zool-A.  331:506-516.
  6. SSmith, A.M., Dijkstra, K., Gordon, L.T., Romero, L.M., Thomas, A.K.  2019. An investigation into the impact of stress on encoding in older adultsAging Neuropsych Cognition. 26:749-766.
  7. Knapp, C.R., Perez-Heydrich, C., Zachariah, T.T., Jollay, J., Schnelle, A., Buckner, S.D., Lattin, C.R., Romero, L.M., Durden, L.A. 2019. Host sex, size and hemoparasite infection influence the effects of ectoparasitic burdens on free-ranging iguanasEcol. Evol.  9:1946-1956.
  8. Gormally, B.M.G., Ramos, S., Yin, H., Romero, L.M.  2019. Recovery periods during repeated stress impact corticosterone and behavioral responses differently in house sparrowsHorm. Behav. 112:81-88.
  9. Reed, J.M., Harris, D.R., Romero, L.M. 2019. Profile repeatability: a new method for evaluating repeatability of individual hormone response profiles. Gen. Comp. Endocrinol. 270:1-9.
  10. Gormally, B.M., Fuller, R., McVey, M., Romero, L.M. 2019. DNA damage as an indicator of chronic stress: correlations with corticosterone and uric acid.  Comp. Biochem. Physiol. A.  227:116-122.
  11. TTorres-Medina, R., Cabezas, S., Marchant, T.A., Wikelski, M., Romero, L.M., Hau, M., Carrete, M., Tella, J.L., Blas, J.  2018.  Corticosterone implants produce stress-hyporesponse birdsJ. Exp. Biol. 221: jeb173864.
  12. Gormally, B.M.G., Romero, L.M. 2018. House sparrows (Passer domesticus) adjusted hypothalamic-pituitary-adrenal axis negative feedback and perch hopping activities in response to a single repeated stimulusJ. Exp. Zool. A. 329:597-605.
  13. Studholme, K.R., Hipfner, J.M., Romero, L.M., Gormally, B.M. Iverson, S.J., Crossin, G.T. 2018. Egg size is independent of variation in pre-breeding feather corticosterone in Cassin’s auklets during favorable oceanographic conditions. Gen. Comp. Endocrinol. 268:64-70.
  14.  Gormally, B.M., Wright-Lichter, J., Reed, J.M., Romero, L.M.  2018. Physiological and behavioral responses of house sparrows to repeated stressors. Peer J. 6:e4961.
  15. McRee, A.E., Tully, T.N., Nevarez, J.G., Beaufrere, H., Ammersbach, M., Gaunt, S.D., Fuller, R.G., Romero, L.M. 2018. Effect of routine handling and transportation on blood leukocyte concentrations and plasma corticosterone in captive Hispaniolan Amazon parrots (Amazona ventralis). J. Zoo Wildlife Med. 49:396-403.
  16. Flower, J.E., Norton, T.M., Andrews, K.M., Parker, C.E., Romero, L.M., Rockwell, K.E., Mitchell, M.A. 2018. Baseline corticosterone, hematology, and biochemistry results and correlations to reproductive success in nesting loggerhead sea turtles (Caretta caretta). J. Zoo. Wildl. Med. 49:9-17.
  17. Parker Fischer, C., Wright-Lichter, J., Romero, L.M.  2018. Chronic stress and the introduction to captivity: how wild house sparrows (Passer omesticus)) adjust to laboratory conditions. Gen. Comp. Endocrinol. 259:85-92.
  18. Wingfield, J.C., Hau, M., Boersma, P.D., Romero, L.M., Hillgarth, N., Ramenofsky, M., Wrege, P., Scheibling, R., Kelley, J.P., Walker, B., Wikelski, M.  2018. Effects of El Niño and La Niña Southern Oscillation events on the adrenocortical responses to stress in birds of the Galápagos islands. Gen. Comp. Endocrinol. 259:20-33.
  19. de Bruijn, R., Reed, J.M., Romero, L.M.  2017. Chronic repeated exposure to weather-related stimuli elicits few symptoms of chronic stress in captive molting and non-molting European starlings (Sturnus vulgaris). J. Exp. Zool. A. 327:493-503.
  20. Musgrove, A.B., Wiebe, K.L., Parker, C.E., Romero, L.M.  2017. Relationships between measures of physiological performance, body condition, and plumage color: what indicates food shortage in nestlings? Ibis. 159:600-610.
  21. Parker Fischer, C., Rao, R., Romero, L.M.  2017. Exogenous and endogenous corticosterone in feathers. J. Avian Biol..  48:1301-1309.
  22. Franceschini, M.D., Evers, D.C., Kenow, K.P., Meyer, M.W., Pokras, M.  Romero, L.M. 2017.  Mercury correlates with altered corticosterone but not testosterone or estradiol concentrations in common loons. Ecotoxicol. Environ. Safety.  142:348-354.
  23. Xie, S., Romero, L.M., Htut, Z.W., McWhorter, T.J.  2017. Stress responses to heat exposure in three species of Australian desert birds. Physiol. Biochem. Zool.  90:348-358.
  24. Crossin, G.T., Phillips, R.A., Lattin, C.R., Romero, L.M., Bordeleau, X., Harris, C.M., Love, O.P. Williams, T.D.  2017. Costs of reproduction and carry-over effects in breeding albatrosses. Antarctic Sci.  29:155-164.
  25. Parker Fischer, C., Romero, L.M.  2016. The use of α- or β-blockers to ameliorate the chronic stress of captivity in the house sparrow (Passer domesticus).  Conserv. Physiol. 4:cow049.
  26. DuRant, S.E., Arciniega, M., Bauer, C.M., Romero, L.M.   2016. A test of reactive scope: reducing reactive scope results in delayed wound healing. Gen. Comp. Endocrinol.  236:115-120.
  27. Bauer, C.M., Ebensperger, L.A., Leon, C., Ramirez-Estrada, J., Hayes, L.D., Romero, L.M. 2016. Post-natal development of the degu (Octodon degus) endocrine stress response is affected by maternal care. J. Exp. Zool. 325A:304-317.
  28. Parker, C.E., Franco, L.A., Romero, L.M. 2016. Are novel objects perceived as stressful? The effect of novelty on heart rate. Physiol. Behav. 161:7-14.
  29. DuRant, S.E., de Bruijn, R., Tran, M.N., Romero, L.M. 2016.  Wound-healing ability is conserved during periods of chronic stress and costly life history events in a wild-caught bird. Gen. Comp. Endocrinol. 229:119-126.
  30. Lattin, C.R., DuRant, S.E., Romero, L.M. 2015. Wounding alters blood chemistry parameters and skin mineralocorticoid receptors in house sparrows (Passer domesticus). J. Exp. Zool. 323A:322-330.
  31. DuRant, S.E., Hopkins, W.A., Davis, A.K., Romero, L.M. 2015. Evidence of ectoparasite-induced endocrine disruption in an imperiled giant salamander, the eastern hellbender (Cryptobranchus alleganiensis)J. Exp. Biol. 218:2297-2304.
  32. Lapointe, M.A., Bauer, C.M., Ebensperger, L.A., Reed, J.M., Romero, L.M. 2015.  Live-trapping is not biased by the endocrine stress response: a preliminary study in the degu (Octodon degus). J. Mammal. 96:762-771.
  33. Grunst, M.L., Grunst, A.S., Parker, C.E., Romero, L.M., Rotenberry, J.T. 2015. Pigment-specific relationships between feather corticosterone concentrations and sexual coloration. Behav. Ecol. 26:706-715.
  34. Bauer, C.M., Hayes, L.D. Ebensperger, L.A., Ramirez-Estrada, J., Leon, C., Davis, G.T., Romero, L.M.  2015. Maternal stress and plural breeding with communal care affect development of the endocrine stress response in a wild rodent. Horm. Behav. 75:18-24.
  35. Lattin, C.R., Keniston, D.E., Reed, J.M., Romero, L.M. 2015. Are receptor concentrations correlated across tissues within individuals? A case study examining glucocorticoid and mineralocorticoid receptor binding. Endocrinology. 156:1354-1361.
  36. Lattin, C.R., Romero, L.M. 2015. Seasonal variation in glucocorticoid and mineralocorticoid receptors in metabolic tissues of the house sparrow (Passer domesticus). Gen. Comp. Endocrinol. 214:95-102.
  37. Walker, B.G., Meddle, S.L., Romero, L.M., Landys, M.M., Reneerkens, J., Wingfield, J.C. 2015. Breeding on the extreme edge: modulation of the adrenocortical response to acute stress in two High Arctic passerines. J. Exp. Zool. 323A:266-275.
  38. Flower, J.E., Norton, T.M., Andrews, K.M., Nelson, S.E., Parker, C.E., Romero, L.M., Mitchell, M.A.  2015. Baseline plasma corticosterone, hematalogic, and biochemistry results in nesting and rehabilitating loggerhead sea turtles (Caretta caretta). Conserv. Physiol. 3 (1): cov003 doi: 10.1093/conphys/cov003.
  39. Gilmour, M.E., Lattin, C.R., Romero, L.M., Haussmann, M.F., Mauck, R.A., Dearborn, D.C. 2015. Finding the best predictor of reproductive performance of Leach's Storm-Petrels. Auk. 132:191-205.
  40. Qadri, M.A., Romero, L.M., Cook, R.G. 2014. Shape from shading in starlings (Sturnus vulgaris).  J. Comp. Psych. 128:343-356.
  41. Lattin, C.R., Romero, L.M. 2014. Chronic exposure to a low dose of ingested petroleum disrupts corticosterone receptor signalling in a tissue-specific manner in the house sparrow (Passer domesticus). Conserv. Physiol. 2:cou058 doi: 10.1093/conphys/cou058.
  42. Lattin, C.R., Ngai, H.M. Romero, L.M. 2014. Evaluating the stress response as a bioindicator of sub-lethal effects of crude oil exposure in wild house sparrow (Passer domesticus). PLOS ONE. 9:e102106.
  43. Lattin, C.R., Romero, L.M. 2014. Chronic stress alters concentrations of corticosterone receptors in a tissue-specific manner in wild house sparrows (Passer domesticus). J. Exp. Biol.  217:2601-2608.
  44. Bauer, C.M., Hayes, L.D., Ebensperger, L.A., Romero, L.M. 2014. Seasonal variation in the degu (Octodon degus) endocrine stress response. Gen. Comp. Endocrinol. 197:26-32.
  45. Lattin, C.R., Romero, L.M. 2013. Seasonal variation in corticosterone receptor binding in brain, hippocampus and gonads in house sparrows (Passer domesticus). Auk. 130:591-598.
  46. Knapp, C.R., Hines, K.N., Zachariah, T., Perez-Heydrich, C., Iverson, J.B., Buckner, S.D., Hallach, S.C., Lattin, C.R., Romero, L.M.  2013. Physiological effects of tourism and associated food provisioning in an endangered iguana. Conserv. Physiol. 1:doi:10.1093/conphys/cot032.
  47. Berner, N.J., Heil, L.A., Romero, L.M. 2013. Seasonal variation in corticosterone in free-living and captive Eastern red-spotted newts Notophthalmus viridescens viridescensJ. Herp. 47:466-470.
  48. Lattin, C.R., Romero, L.M. 2013. The size of a melanin-based plumage ornament correlates with glucocorticoid receptor concentrations in the skin of that ornament. Biol. Lett. 9:20130440.
  49. Crossin, G.T., Phillips, R.A., Lattin, C.R., Romero, L.M., Williams, T.D. 2013.  Corticosterone mediated costs of reproduction link current to future breeding. Gen. Comp. Endocrinol. 193:112-120.
  50. Medina, C., Lattin, C.R., McVey, M., Romero, L.M. 2013. There is no correlation between glucocorticoid receptor mRNA expression and protein binding in the brains of house sparrows (Passer domesticus). Gen. Comp. Endocrinol. 193:27-36.
  51. Fefferman, N.H., Romero, L.M. 2013. Can physiological stress alter population persistence? A model with conservation implications. Conserv. Physiol. 1:doi:10.1093/conphys/cot012.
  52. Lattin, C.R., Waldron-Francis, K., Romero, L.M. 2013. Intracellular glucocorticoid receptors in spleen, but not skin, vary seasonally in wild house sparrows (Passer domesticus). Proc. Royal Soc. Lond. B.  280:20123033.
  53. Vitousek, M.N., Romero, L.M. 2013. Stress responsiveness predicts individual variation in mate selectivity. Gen. Comp. Endocrinol.  187:32-38.
  54. Bauer, C.M., Skaff, N.K., Bernard, A.B., Trevino, J.M., Ho, J.M., Romero, L.M., Ebensperger, L.A., Hayes, L.D. 2013. Habitat type influences endocrine response in the degu (Octodon degus). Gen. Comp. Endocrinol. 186:136-144.
  55. Dietz, M.S., Murdock, C.C., Romero, L.M., Ozgul, A., Foufopoulos, J. 2013. Distance to a road is associated with reproductive success and physiological stress response in a migratory landbird. Wilson J. Ornithol. 125:50-61.
  56. Laubach, Z., Blumstein, D.T., Romero, L.M., Sampson, G., Foufopoulos, J. 2013. Are white-crowned sparrow badges reliable signals? Behav. Ecol. Sociobiol. 67:481-492.
  57. DuRant, S.E., Hopkins, W.A., Hepp, G.R., Romero, L.M. 2013. Energetic constraints and parental care: is corticosterone indicative of energetic costs of incubation in a precocial bird? Horm. Behav. 63:385-391.
  58. Butler, L.K., Ries, L., Bisson, I.A., Hayden, T.J., Wikelski, M., Romero, L.M. 2013. Opposite but analogous effects of road density on songbirds with contrasting habitat preferences. Anim. Conserv.  16:77-85.
  59. de Bruijn, R., Romero, L.M. 2013. Artificial rain and cold wind act as stressors to captive molting and non-molting European starlings (Sturnus vulgaris). Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 164:512-519.
  60. Kennedy, E.A., Lattin, C.R., Romero, L.M., Dearborn, D.C. 2013. Feather coloration in museum specimens is related to feather corticosterone. Behav. Ecol. Sociobiol. 67:341-348.
  61. Lattin, C.R., Waldron-Francis, K., Richardson, J., de Bruijn, R., Bauer, C.M., Breuner, C.W., Romero, L.M. 2012. Pharmacological characterization of intracellular glucocorticoid receptors in nine tissues from house sparrow (Passer domesticus).  Gen. Comp. Endocrinol. 179:214-220.
  62. Lattin, C.R., Bauer, C.M., de Bruijn, R., Romero, L.M. 2012.  Hypothalamus-pituitary-adrenal axis activity and the subsequent response to chronic stress differ depending upon life history stage. Gen. Comp. Endocrinol. 178:494-501.
  63. Barron, D.G., Brawn, J.D., Butler, L.K., Romero, L.M., Weatherhead, P.J. 2012. Is military activity disturbing to wildlife? Assessing impacts on avian reproductive ecology. J. Wildlife Manage. 76:911-918.
  64. Keyel, A.C., Bauer, C.M., Lattin, C.R., Romero, L.M., Reed, J.M. 2012. Testing the role of patch openness as a causal mechanism for apparent area sensitivity in a grassland specialist. Oecologia.  169:407-418.
  65. Nevarez, J.G., Lattin, C.R., Romero, M., Stacy, B., Kinler, N. 2011. Assessment of corticosterone levels in American alligators (Alligator mississippiensis) with dermatitis. J. Herp. Med. Surg. 21:76-79.
  66. Bisson, I.A., Butler, L.K., Kelley, P., Adelman, J. Hayden, T.J., Romero, L.M., Wikelski, M. 2011. Energetic response to human disturbance in an endangered songbird. Anim. Conserv. 14:484-491.
  67. Bauer, C.M., Glassman, L.W., Cyr, N.E., Romero, L.M. 2011. Effects of predictable and unpredictable food restriction on the stress response in molting and non-molting European starlings (Sturnus vulgaris). Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol.  160:390-399.
  68. de Bruijn, R. Romero, L.M. 2011. Behavioral and physiological responses of wild-caught European starlings (Sturnus vulgaris) to a minor, rapid change in ambient temperature. Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 160:260-266.
  69. Lattin, C.R., Reed, J.M., DesRochers, D.W., Romero, L.M. 2011. Elevated corticosterone in feathers correlates with corticosterone-induced decreased feather quality: a validation study. J. Avian Biol.  42:247-252.
  70. Dickens, M.J., Meddle, S.L., Romero, L.M. 2011. Mineralocorticoid and glucocorticoid receptor mRNA expression in the brain of translocated chukar (Alectoris chukar). Gen. Comp. Endocrinol.  170:569-574.
  71. Dickens, M.J., Romero, L.M. 2010. Stress responsiveness decreases with age in precocial, juvenile Chukar. Wilson J. Ornithol. 122:762-766.
  72. Romero, L.M., Wikelski, M. 2010. Stress physiology as a predictor of survival in Galápagos marine iguanas. Proc. Royal Soc. Lond. B.  277:3157-3162.
  73. Awerman, J.L., Romero, L.M. 2010. Chronic psychological stress alters body weight and blood chemistry. Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 156:136-142.
  74. Vitousek, M.N., Romero, L.M., Tarlow, E., Cyr, N.E., Wikelski, M. 2010. Island tameness: an altered cardiovascular stress response in Galápagos marine iguanas. Phys Behav. 99:544-548.
  75. Vitousek, M.N., Mitchell, M.A., Romero, L.M., Awerman, J., Wikelski, M. 2010. To breed or not to breed: physiological correlates of reproductive status in a facultatively biennial iguanid. Horm. Behav.  57:140-146.
  76. Kirchgessner, M. Mitchell, M. Domenzain, L. Walden, M. Dickens, M.J. Romero, L.M. 2009. Evaluating the effect of leuprolide acetate on testosterone levels in captive male green iguanas (Iguana iguana). J. Herp. Med. Surg. 19:128-131.
  77. Zachariah, T.T., Mitchell, M.A., Serra, V.F., Johnson, M.E., Dickens, M.J., Romero, L.M. 2009. Acute corticosterone stress response to handling in four captive gopher tortoises (Gopherus polyphemus). J. Herp. Med. Surg. 19:50-56.
  78. Romero, L.M., Holt, D.W., Petersen, J.L. 2009. Flushing effects and seasonal changes on corticosterone levels in adult Long-Eared Owls Asio otus.  In: Johnson, D.H., Van Nieuwenhuyse, D., Duncan, J.R. (eds). Proc. Fourth World Owl Conf. Oct-Nov. 2007, Groningen, The Netherlands. Ardea  97:603-608.
  79. Holt, D.W., Paulson, A., Romero, L.M. 2009. Corticosterone as a measure of stress in nest-bound and nest-departed Long-eared Owl Asio otus chicks. In: Johnson, D.H., Van Nieuwenhuyse, D., Duncan, J.R. (eds). Proc. Fourth World Owl Conf. Oct-Nov. 2007, Groningen, The Netherlands. Ardea 97:593-596.
  80. Kostelanetz, S., Dickens, M.J., Romero, L.M. 2009. Combined effects of molt and chronic stress on heart rate, heart rate variability, and glucocorticoid physiology in European Starlings. Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 154:493-501.
  81. Dickens, M.J., Delehanty, D.J., Reed, J.M., Romero, L.M. 2009. What happens to translocated game birds that "disappear?" Anim. Conserv. 12:418-425.
  82. Dickens, M., Romero, L.M., Cyr, N.E., Dunn, I.C., Meddle, S.L. 2009. Chronic stress alters glucocorticoid receptor and mineralocorticoid receptor mRNA expression in the European starling (Sturnus vulgaris) brain. J. Neuroendocrinol. 21:832-840.
  83. Dickens, M.J., Romero, L.M. 2009. Wild European starlings (Sturnus vulgaris) adjust to captivity with sustained sympathetic nervous system drive and a reduced fight-or-flight response. Physiol. Biochem. Zool. 82:603-610.
  84. Franceschini, M.D., Lane, O.P., Evers, D.C., Reed, J.M., Hoskins, B., Romero, L.M. 2009. The corticosterone stress response and mercury contamination in free-living tree swallows, Tachycineta BicolorEcotoxicology.  18:514-521.
  85. Sperry, J.H., Butler, L.K., Romero, L.M., Weatherhead, P.J. 2009.  Effects of parasitic infection and radio-transmitters on condition, hematological characteristics and corticosterone concentrations in Texas ratsnakes.  J. Zool. 278:100-107.
  86. Butler, L.K., Bisson, I.A., Hayden, T.J., Wikelski, M., Romero, L.M. 2009.  Adrenocortical responses to offspring-directed threats in two open-nesting birds. Gen. Comp. Endocrinol. 162:313-318.
  87. Cyr, N.E., Dickens, M.J., Romero, L.M. 2009. Heart rate and heart rate variability responses to acute and chronic stress in a wild-caught passerine bird. Physiol Biochem. Zool. 82:332-344.
  88. Dickens, M.J., Delehanty, D.J., Romero, L.M. 2009. Stress and translocation: alterations in the stress physiology of translocated birds. Proc. Royal Soc. Lond. B. 276:2051-2056.
  89. Bisson, I.A., Butler, L.K., Hayden, T.J., Romero, L.M., Wikelski, M. 2009. No energetic cost of anthropogenic disturbance in a songbird. Proc. Royal Soc. Lond. B. 276:961-969.
  90. Dickens, M.J., Earle, K., Romero, L.M. 2009. Initial transference of wild birds to captivity alters stress physiology. Gen. Comp. Endocrinol.  160:76-83.
  91. DesRochers, D.W., Reed, J.M., Awerman, J., Kluge, J., Wilkinson, J., van Griethuijsen, L.I., Aman, J., Romero, L.M. 2009. Exogenous and endogenous corticosterone alter feather quality.  Comp. Biochem. Physiol. Part A: Mol. Integ. Physiol. 152:46-52.
  92. Butler, L.K., Hayden, T.J., Romero, L.M. 2008. Prebasic molt of black-capped and white-eyed vireos: effects of breeding site and the El Niño-southern oscillation. Condor, 110:428-440.
  93. Franceschini, M.D., Custer, C.M., Custer, T.W., Reed, J.M., Romero, L.M. 2008.  Corticosterone stress response in tree swallows nesting near polychlorinated biphenyl- and dioxin-contaminated rivers. Environ. Tox. Chem. 27:2326-2331.
  94. Franceschini, M.D., Rubenstein, D.I., Low, B., Romero, L.M. 2008. Fecal glucocorticoid metabolites as an indicator of stress during translocation and acclimation in an endangered large mammal, the Grevy's zebra. Animal Conserv. 11:263-269.
  95. Cyr, N.E. Romero, L.M.  2008. Fecal glucocorticoid metabolites of experimentally stressed captive and free-living starlings: implications for conservation research. Gen. Comp. Endocrinol. 158:20-28.
  96. Cyr, N.E., Wikelski, M. Romero, L.M. 2008. Increased energy expenditure but decreased stress responsiveness during molt. Physiol Biochem. Zool. 81:452-462.
  97. 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. 156:126-133.
  98. Romero, L.M., Reed, J.M. 2008. Repeatability of Baseline Corticosterone Concentrations. Gen. Comp. Endocrinol. 156:27-33.
  99. 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.
  100. 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.
  101. 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.
  102. 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.
  103. 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.
  104. 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.
  105. 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.
  106. 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.
  107. 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.
  108. 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.
  109. Romero, L.M., Cyr, N.E., Romero, R.C. 2006. Corticosterone responses change seasonally in free-living house sparrows (Passer domesticus). Gen. Comp. Endocrinol. 149:58-65.
  110. 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.
  111. 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.
  112. 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.
  113. Nephew, B.C., Reed, J.M., Romero, L.M. 2005. A potential cardiovascular mechanism for the behavioral effects of central and peripheral arginine vasotocin. Gen. Comp. Endocrinol. 144:156-166.
  114. 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.
  115. 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.
  116. 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.
  117. 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.
  118. 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.
  119. 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.
  120. 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.
  121. 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.
  122. Nephew, B.C., Romero, L.M. 2003. Behavioral, physiological, and endocrine responses of starlings to acute increases in density. Horm. Behav. 44:222-232.
  123. Nephew, B.C., Kahn, S.A., Romero, L.M. 2003. Heart rate and behavior are regulated independently of corticosterone following diverse acute stressors. Gen. Comp. Endocrinol 133:173-180.
  124. 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.
  125. 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.
  126. Remage-Healey, L., Romero, L.M. 2002. Corticosterone and insulin interact to regulate glucose but not lipid concentrations in molting starlings. Gen. Comp. Endocrinol 129:88-94.
  127. 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 gambeliiHorm. Behav. 42:212-221.
  128. Romero, L.M., Wikelski, M. 2002. Exposure to tourism reduces stress-induced corticosterone levels in Galápagos marine iguanas. Biol. Conserv. 108:371-374.
  129. 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.
  130. Romero, L.M., Romero, R.C. 2002. Corticosterone responses in wild birds: the importance of rapid initial sampling. Condor, 104:129-135.
  131. 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.
  132. Wikelski, M., Romero, L.M., Snell, H.L. 2001. Marine iguanas oiled in Galápagos.  Science. 292:437-438.
  133. 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.
  134. 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.
  135. 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.
  136. 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.
  137. 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.
  138. 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.
  139. 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.
  140. 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.
  141. 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.
  142. 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.
  143. 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.
  144. 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.
  145. 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.
  146. 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.
  147. 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.
  148. 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.
  149. 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.
  150. 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.
  151. 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.
  152. 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.
  153. 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.
  154. 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.
  155. 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.

Technical Reports

  • Hayden, T.J., Butler, L., Romero, L.M., Bisson, I.-A., Wikelski, M., Barron, D., Kelley, P. 2009. Final Report: Physiological response and habituation of endangered species to military training. SERDP Project. SI-1396
  • Hayden, T.J., Bisson, I.-A., Wikelski, M.C., Butler, L. K., Romero, L. M. 2008. Physiological response and habituation of endangered species to military training activities: SERDP 2006 Annual Report. ERDC/CERL SR-08-08.
  • Hayden, T.J., Butler, L., Romero, L. M., Bisson, I.-A., Wikelski, M. 2007. Physiological response and habituation of endangered species to military training activities: SERDP 2007 Annual Report-Project 1396. U.S. Army Construction Engineering Research Laboratory, Champaign, Illinois, USA.

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

Articles in the Popular Press

  • Romero, L.M., Wikelski, M. 2009.  Marine iguanas: life on the edge. In: De Roy, T. (Ed.). Galápagos: Preserving Darwin's Legacy. Charles Darwin Foundation & Parque Nacional Galápagos, Ecuador. Pp. 106-113.
  • Romero, L.M., Wikelski, M., Florant, G.L. 2008. VetScan system in Galapagos: monitoring survival in Galapagos marine iguanas. VetCom: An Abaxis Newsletter for the Veterinary Community. Pp. 4-5.

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