Publications

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2013

Whittaker, D.J., Gerlach, N.M., Soini, H.A., Novotny, M.V., and Ketterson, E.D. 2013. Bird odour predicts reproductive success. Animal Behaviour in press. [pdf]

Bergeon Burns, C.M.*, Rosvall, K.A.*, and Ketterson, E.D. 2013. Neural steroid sensitivity and aggression: comparing individuals of two songbird subspecies. Journal of Evolutionary Biology 26(4): 820-831. [pdf]

Cain, K.E., Bergeon Burns, C.M., and Ketterson, E.D. 2013. Testosterone production, sexually dimorphic morphology, and digit ratio in the dark-eyed junco. Behavioral Ecology 24(2): 462-469. [pdf]

Gerlach, N.M., and Ketterson, E.D. 2013. Experimental elevation of testosterone lowers fitness in female dark-eyed juncos. Hormones and Behavior 63(5): 782-790. [pdf]

Peterson, M.P., Abolins-Abols, M., Atwell, J.W., Rice, R.J., Mila, B., and Ketterson, E.D. 2013. Variation in candidate genes CLOCK and ADCYAP1 does not consistently predict differences in migratory behavior in the songbird genus Junco. F1000Research 2013, 2(115): doi: 10.12688/f1000research.2-115.v1. [pdf]

Peterson, M.P., Rosvall, K.A., Choi, J-H., Ziegenfus, C., Tang, H., Colbourne, J.K., and Ketterson, E.D. 2013. Testosterone affects neural gene expression differently in male and female juncos: a role for hormones in mediating sexual dimorphism and conflict. PLoS ONE 8(4): e61784. doi:10.1371/journal.pone.0061784.

2012

Atwell, J.W., Cardoso, G.C., Whitaker, D.J., Campbell-Nelson, S., Robertson, K.W., and Ketterson, E.D. 2012. Boldness behavior and stress physiology in a novel urban environment suggest rapid evolutionary adaptation. Behavioral Ecology 23(5): 960-969. [pdf]

Cain, K.E., and Ketterson, E.D. 2012. Competitive females are successful females; phenotype, mechanism, and selection in a common songbird. Behavioral Ecology and Sociobiology 66(2): 241-252. [pdf]

Cardoso, G.C., Atwell, J.W., Hu, Y., Ketterson, E.D., and Price, T.D.. 2012. No correlation between three selected trade-offs in birdsong performance and male quality for a species with song repertoires. Ethology 118(6): 584-593. [pdf]

Gerlach, N.M., McGlothlin, J.W., Parker, P.G., and Ketterson, E.D. 2012. Reinterpreting Bateman gradients: multiple mating and selection in both sexes of a songbird species. Behavioral Ecology 23(5): 1078-1088. [pdf]

Gerlach, N.M., McGlothlin, J.W., Parker, P.G., and Ketterson, E.D. 2012. Promiscuous mating produces offspring with higher lifetime fitness. Proceedings of the Royal Society B 279(1730): 860-866.** [pdf]

**Featured in "Animal Behavior: Concepts, methods, and applications" by Shawn Nordell and Thomas Valone.

Peterson, M.P., Whittaker, D.J., Ambreth, S., Sureshchandra, S., Mockatis, K., Buechlein, A., Podicheti, R., Choi, J.H., Lai, Z., Colbourne, J.K., Tang, H., and Ketterson, E. D. 2012. De novo transcriptome sequencing in a songbird, the dark-eyed junco (Junco hyemalis): Genomic tools for an ecological model system. BMC Genomics, 13:305.

Reichard, D.G. and Ketterson, E.D. 2012. Estimation of female home-range size during the nestling period of Dark-eyed Juncos. Wilson Journal of Ornithology 124(3): 614-620. [pdf]

Rosvall, K.A., Reichard, D.G., Ferguson, S.M., Whittaker, D.J. & Ketterson, E.D. 2012. Robust behavioral effects of song playback in the absence of testosterone or corticosterone release. Hormones & Behavior 62(4): 418-425. [pdf]

Rosvall, K.A., Bergeon Burns, C.M., Barske, J., Goodson, J.L., Sengelaub, D., Schlinger, B.A. & Ketterson, E.D. 2012. Neural sensitivity to sex steroids predicts individual differences in aggression: implications for behavioral evolution. Proceedings of the Royal Society B 279(1742): 3547-3555. [pdf]

Whittaker, D.J., Dapper, A.L., Peterson, M.P., Atwell, J.W., and Ketterson, E.D. 2012. Maintenance of MHC Class IIB diversity in a recently established songbird population. Journal of Avian Biology 43(2): 109-118. [pdf]

2011

Atwell, J.W., O’Neal, D.M. and E.D. Ketterson. 2011. Animal migration as a moving target for conservation: intra-species variation and responses to environmental change, as illustrated in a sometimes migratory songbird. Lewis and Clark, Environmental Law Journal, 41(2): 289-316. [pdf]

Cain, K.E., Rich, M.S., Ainsworth, K., Ketterson, E.D. 2011. Two sides of the same coin? Consistency in aggression to conspecifics and predators in a female songbird. Ethology 117(9): 786-795. [pdf]

O’Neal, D.M., Kiley, R.P, and Ketterson, E.D. 2011. The effect of winter sex ratio on immune function and condition in a differential migrant. Physiology and Behavior, 102: 406-413. [pdf]

O’Neal, D.M. and Ketterson, E.D. 2011. Life history evolution, hormones and avian immune function. In: Eco-Immunology. Demas, G.E. and Nelson, R.J., editors. Oxford University Press. [link]

Reichard, D.G., Rice, R.J., Vanderbilt, C.C., and Ketterson, E.D. 2011. Deciphering information encoded in birdsong: male songbirds with fertile mates respond most strongly to complex, low-amplitude songs used in courtship. American Naturalist 178(4): 478-487.

Whittaker, D.J., Soini, H.A., Gerlach, N.M., Posto, A.L., Novotny, M.V., and Ketterson, E.D. 2011. Role of testosterone in stimulating changes in a potential avian chemosignal. Journal of Chemical Ecology 37:1349-1357. [pdf]

Whittaker, D.J., Richmond, K.M., Miller, A.K., Kiley, R., Bergeon Burns, C., Atwell, J.W., Ketterson, E.D. 2011. Intraspecific preen oil odor preferences in dark-eyed juncos (Junco hyemalis). Behavioral Ecology 22(6): 1256-1263. [pdf]

2010

Heidinger, B.J., Chastel, O., Nisbet, I.C.T. and Ketterson, E.D. 2010. Mellowing with age: older parents are less responsive to a stressor in a long-lived seabird. Functional Ecology, 24: 1037–1044. [pdf]

McGlothlin, J.W., Whittaker, D.J., Schrock, S.E., Gerlach, N.M., Jawor, J.M., Snadjr, E.A., and E.D. Ketterson. 2010. Natural selection on testosterone production in a wild songbird population. American Naturalist 175: 687-701.

Whittaker, D.J., Soini, H.A., Atwell, J.W., Novotny, M.V., and E.D. Ketterson. 2010. Songbird chemosignals: volatile compounds in preen gland secretions vary among individuals, sexes, and populations. Behavioral Ecology 21:608-614. [pdf]

2009

Cardoso, G.C., Atwell, J.W., Ketterson, E.D., and T.D. Price. 2009. Song types, song performance, and the use of repertoires in dark-eyed juncos (Junco hyemalis). Behavioral Ecology 20:901-907. [pdf]

Ketterson, E.D., Atwell, J.W., and J.W. McGlothlin. 2009. Phenotypic integration and independence: hormones, performance, and response to environmental change. Integrative and Comparative Biology 49:365-379. [pdf]

Whittaker, D.J., Reichard, D.G., Dapper, A.L., and E.D. Ketterson. 2009. Behavioral responses of nesting female dark-eyed juncos Junco hyemalis to hetero- and conspecific passerine preen oils. Journal of Avian Biology 40: 579-583. [pdf]

2008

Ball, G.F., and E.D. Ketterson. 2008. Sex differences in the response to environmental cues regulating seasonal reproduction in birds. Phil Trans. Royal Society 1490: 231-246. [pdf]

Cardoso, G.C., Mamede, A.T., Atwell, J.W., Mota, P.G., Ketterson, E.D., and T.D. Price. 2008. Song frequency does not reflect differences in body size among males in two oscine species. Ethology 114: 1084-1093. [pdf]

Heidinger B.J., Nisbet I.C.T, and E.D. Ketterson. 2008. Changes in adrenal capacity contribute to a decline in the stress response with age in a long-lived seabird. General and Comparative Endrocrinology 156: 564-568. [pdf]

McGlothlin, J.W., Jawor, J.M., Greives, T.J., Casto, J.M., Phillips, J.L. and E.D. Ketterson. 2008. Hormones and honest signals: males with larger ornaments elevate testosterone more when challenged. Journal of Evolutionary Biology 21: 39-48. [pdf]

McGlothlin, J.W. and E.D. Ketterson. 2008. Hormone-mediated suites as adaptations and evolutionary constraints. Phil Trans. Royal Society 363: 1611-1620. [pdf]

O'Neal, D.M., Reichard, D.G., Pavlis, K., and E.D. Ketterson. 2008. Experimentally-elevated testosterone, female parental care, and reproductive success in a songbird, the Dark-eyed Junco (Junco hyemalis). Hormones and Behavior. 54: 571-578.. [pdf]

2007

Cardoso, G.C., Atwell, J.W., Ketterson, E.D. and T.D. Price. 2007. Inferring performance in the songs of dark-eyed juncos (Junco hyemalis). Behavioral Ecology 18: 1051-1057. [pdf]

Clotfelter, E.D., Chandler, C.R., Nolan, V. Jr., and E.D. Ketterson. 2007. The influence of exogenous testosterone on the dynamics of nestling provisioning in dark-eyed juncos. Ethology 113: 18-25. [pdf]

Clotfelter, E.D., Pedersen, A.B., Cranford, J.A., Ram, N., Snajdr, E. A., Nolan Jr., V. and E.D. Ketterson. 2007. Acorn mast drives long-term dynamics of rodent and songbird populations. Oecologia 154: 493-503. [pdf]

Greives, T.J., Casto, J.M., and E.D. Ketterson. 2007. Relative abundance of males to females affects behaviour, condition and immune function in a captive population of dark-eyed juncos Junco hyemalis. Journal of Avian Biology 38:255-260. [pdf]

Greives, T.J., Mason, A.O., Scotti, M-A.L., Ketterson, E.D., Kriegsfeld, L.J. and Demas G.E. 2007. Environmental control of kisspeptin: Implications for seasonal reproduction. Endocrinology 148: 1158-1166. [pdf]

Jawor, J.M., McGlothlin, J.W., Casto, J.M. Greives, T.J., Snajdr, E.A., Bentley, G.E., and Ketterson, E.D. 2007. Testosterone response to GnRH in a female songbird varies with stage and reproduction: implications for adult behaviour and maternal effects. 2007. Functional Ecology 21: 767-775. [pdf]

Ketterson, E.D. 2007. Masculinized dominant females in a cooperatively breeding species, a case of cross-sexual transfer? Molecular Ecology 16: 1345-1347. [pdf]

Mason, AO., Greives, T.J., Scotti, M.A., Levine, J., Frommeyer, S., Ketterson, E.D., Demas, G., Kriegsfield, L.J. 2007. Suppression of kisspeptin expression and gonadotropic axis sensitivity following exposure to inhibitory day lengths in female Siberian hamsters Hormones and Behavior 52: 492-498. [pdf]

McGlothlin, J.W., Duffy, D.L., Henry, J.L., and E. D. Ketterson. 2007. Diet quality affects an attractive white plumage pattern in dark-eyed juncos (Junco hyemalis). Behavioral Ecology and Sociobiology 61: 1391-1399. [pdf]

McGlothlin, J. W., Jawor, J.M., and E. D. Ketterson. 2007. Natural variation in a testosterone-mediated trade-off between mating effort and parental effort. American Naturalist,170: 864-875. [pdf]

Sandell, M.I., Adkins-Regan, E., and E.D. Ketterson. 2007. Pre-breeding diet affects the allocation of yolk hormones in Zebra Finches, Taeniopygia guttata. Journal of Avian Biology 38: 284-290. [pdf]

Soini, H.A., Schrock, S.E., Bruce, K.E., Wiesler, D., Ketterson, E.D. and M. V. Novotny. 2007. Seasonal variation in volatile compound profiles of preen gland secretion of the dark eyed junco (Junco hyemalis). Journal of Chemical Ecology 33: 183-198. [pdf]

2006

Greives, T.J., McGlothlin, J.W., Jawor, J.M., Demas, G.E. and E.D. Ketterson. 2006. Testosterone and innate immune function inversely covary in a wild population of breeding Dark-eyed Juncos (Junco hyemalis). Functional Ecology 20: 812-818. [pdf]

Heidinger, B.J., I.C.T. Nisbet, and E. D. Ketterson. 2006. Older parents are less responsive to a stressor in a long-lived seabird: a mechanism for increased reproductive performance with age? Proceedings of the Royal Society, London B 273: 2227-2231. [pdf]

Jawor, J.M., McGlothlin, J.W., Casto, J.M., Grieves, T. J., Bentley, G., Snajdr, E. A., and E.D. Ketterson. 2006. Seasonal and individual variation in response to GnRH challenge in male dark-eyed juncos (Junco hyemalis). General and Comparative Endocrinology 149: 182-189. [pdf]

Jawor, J., Young, R., and E.D. Ketterson. 2006. Females competing to reproduce: dominance matters but testosterone may not. Hormones and Behavior, 49:362-368. [pdf]

Reed, W.L, Clark, M.E., Parker, P.G., Raouf, S.A., Arguedas, N., Monk, D.S, Snajdr, E., Nolan, V. Jr., and E.D. Ketterson. 2006. Physiological effects on demography: A long-term experimental study of testosterone's effects on fitness. American Naturalist 167: 667-683. [pdf]

Zysling, D.A., Greives, T.J., Breuner, C., Casto, J.M., Demas, G.E., and E. D. Ketterson. 2006. Behavioral and physiological responses to experimentally elevated testosterone in female dark-eyed juncos (Junco hyemalis carolinensis). Hormones and Behavior 50(2): 200-207. [pdf]

2005

Grindstaff, J.L., Demas, G.E., and E.D. Ketterson. 2005. Diet quality affects egg size and number but does not reduce maternal antibody transfer in Japanese quail (Coturnix japonica). Journal of Animal Ecology 74, 1051-1058. [pdf]

McGlothlin, J. W., P. G. Parker, V. Nolan Jr., and E.D. Ketterson. 2005. Correlational selection leads to genetic integration of body size and an attractive plumage trait in dark-eyed juncos. Evolution 59:658-671. [pdf]

Ketterson, E.D., V. Nolan Jr., and M. Sandell. 2005. Testosterone in females: mediator of adaptive traits, constraint on the evolution of sexual dimorphism, or both? American Naturalist 166: S85-S98. [pdf] Appendix (tables) [pdf]

Ketterson, E.D. 2005. Hormones in the middle. A review of E. Adkins-Regan's Hormones and Animal Social Behavior. Science 310: 1905-1906. [Summary] [Full Text]

Ketterson, E.D. 2005. Sex and gender in animals? A review of J. Roughgarden's Evolution's Rainbow. BioScience 55: 278-29. [pdf]

2004

Clotfelter E.D., O'Neal, D.M., Gaudioso, J.M, Casto, JM, Parker-Renga, I.M., Snajdr, E.A., Duffy, D.L., Nolan, V. Jr., and E.D. Ketterson. 2004. Consequences of elevating plasma testosterone in females of a socially monogamous songbird: evidence of constraints on male evolution? Hormones and Behavior 46:171-178. [pdf]

McGlothlin, J., Neudorf, D.L., Casto, J.M., Nolan, V. Jr., and E.D. Ketterson. 2004. Elevated testosterone reduces choosiness in female dark-eyed juncos (Junco hyemalis): evidence for a hormonal constraint on sexual selection? Proceedings Royal Society, London B 271:1377-1384. [pdf]

Wolf, W.L., Casto, J.M., Nolan, V. Jr., and E. D. Ketterson. 2004. Female ornamentation and male mate choice in dark-eyed juncos. Animal Behaviour 67 (1): 93-102. [pdf]

2003

Clotfelter, E.D. Schubert, K.A. Nolan, V. Jr., and E.D. Ketterson 2003. Mouth colour signals thermal stress in nestling dark-eyed juncos (Junco hyemalis). Ethology 109:171-182. [pdf]

Greives, T.J., Casto, J.M., and E.D. Ketterson. 2003. Behavioral and Physiological Consequences of Biased Sex Ratios in Dark-eyed Juncos. Hormones and Behavior 44:52. Abstract.

Greives, T.J., Zysling, D.A., Demas, G.E., and E.D. Ketterson. 2003. Immunological and behavioral responses to experimentally elevated testosterone in female dark-eyed juncos (Junco hyemalis): some evidence for possible constraints on evolution? Integrative and Comparative Biology 43(4): Abstract.

Grindstaff, J.L., Brodie III, E.D. and E.D. Ketterson. 2003. Immune function across generations: integrating mechanism and evolutionary process in maternal antibody transmission. Proceedings Royal Society, London B 270:2309-2319. [pdf]

Van Roo, B.L., Ketterson, E.D., and P.J. Sharp. 2003. Testosterone and prolactin in two songbirds that differ in paternal care: the blue-headed vireo and the red-eyed vireo. Hormones and Behavior 44 (5): 435-44. [pdf]

Zysling, D.A., Greives, T.J., Demas, G.E., and E.D. Ketterson. 2003. The effects of steroid hormones on female behavior and physiology: Evidence for intersexual conflict in the dark-eye junco (Junco hyemalis). Integrative and Comparative Biology 43 (4): Abstract.

2002

Neudorf, D.L., Ziolkowski, D.J., Jr, V. Nolan Jr., and E.D. Ketterson. 2002. Testosterone manipulation of male attractiveness has no detectable effect on female home-range size and behavior during the fertile period. Ethology 108:713-726. [pdf]

Nolan, V. Jr., Ketterson, E.D., Cristol, D.A., Rogers, C.M., Clotfelter, E.D., Titus, R., Schoech, S.J., and E. Snajdr. . 2002. Dark-eyed Junco (Junco hyemalis). In The Birds of North America, No. 716. (A. Poole and F. Gill, eds), 44p. The Birds of North America, Inc., Philadelphia, PA. [link]

2001

Casto, J.M., Nolan, V. Jr., and E. D. Ketterson. 2001. Steroid hormones and immune function: experimental studies in wild and captive dark-eyed juncos (Junco hyemalis). American Naturalist157: 408-420. [pdf]

Clotfelter, E.D., V. Nolan Jr., and E.D. Ketterson. 2001. The effects of experimentally elevated testosterone and food deprivation on food consumption and prey size preferences in male dark-eyed juncos (Junco hyemalis, Emberizidae: Passeriformes). Ethology107:439-449. [pdf]

Grindstaff, J.L., Buerkle, C.M., Casto, J.M., Nolan, V. Jr., and E.D. Ketterson. 2001. Offspring sex ratio is unrelated to male attractiveness in dark-eyed juncos (Junco hyemalis). Behavioral Ecology and Sociobiology 50:312-316. [pdf]

Ketterson, E.D., Nolan, V. Jr., Casto, J.M., Buerkle, C.A.,Clotfelter, E., Grindstaff, J.L., Jones, K.J., Lipar, J.L., McNabb, F.M.A., Neudorf, D.L., Parker-Renga, I., Schoech, S.J., and E. Snajdr. 2001. Testosterone, phenotype, and fitness: a research program in evolutionary behavioral endocrinology. Pp. 19-40, in A. Dawson and C.M. Chaturvedi (eds.), Avian Endocrinology. Narosa Publishing House, New Delhi, India. [pdf]

2000

Hudman, S.P., Ketterson, E.D., and V. Nolan Jr. 2000. Effects of time of sampling on oocyst detection and effects of age and experimentally elevated testosterone on prevalence of coccidia in male dark-eyed juncos Auk 117: 1048-1051 [pdf]

Lipar, J.L., and E.D. Ketterson. 2000. Maternally derived yolk testosterone enhances the development of the hatching muscle in the red-winged blackbird, Agelaius phoniceus. Proceedings Royal Society, London B 267: 2005-2010. [pdf]

Lynn, S.E., Houtman, A.M. Weathers, W.W., Ketterson, E.D., and V. Nolan Jr. 2000. Testosterone increases activity but not daily energy expenditure in captive male dark-eyed juncos. Animal Behaviour 60:581-587. [pdf]

Smulders, T.V., Casto, J.M., Nolan, V. Jr., Ketterson, E.D., and T.J. DeVoogd. 2000. Effects of captivity and testosterone on the volumes of four brain regions in the dark-eyed junco (Junco hyemalis). Journal of Neurobiology 43: 244-253. [pdf]

1999

Hill, J.A., Enstrom, D.E., Ketterson, E.D., Nolan, V. Jr., and C. Ziegenfus. 1999. Mate choice based on static vs. dynamic secondary sexual traits in the dark-eyed junco. Behavioral Ecology 10 (1):91-96. [pdf]

Ketterson, E.D., and V. Nolan Jr. 1999. Adaptation, exaptation, and constraint: a hormonal perspective. American Naturalist 153:S4-S25. [pdf]

Lipar, J., Ketterson, E.D., and V. Nolan Jr. 1999. Intra-clutch variation in testosterone content of eggs of red-winged blackbirds. Auk 116:231-235. [pdf]

Lipar, J.L., Ketterson, E.D., V. Nolan Jr., and J.M. Casto. 1999. Egg yolk layers vary in the concentration of steroid hormones in two avian species. General and Comparative Endocrinology 115: 220-227. [pdf]

Nolan, V. Jr., E. D. Ketterson, and C.F. Thompson (eds.). 1999. Current Ornithology, vol. 15. Plenum Press, New York.

Nolan, V. Jr., Ketterson, E.D., and C.A. Buerkle. 1999. Prairie Warbler (Dendroica discolor), pp. 1-28 in The Birds of North America, No. 455. (A. Poole and F. Gill, eds). The Birds of North America, Ind., Philadelphia, PA. [link]

Schoech, S., Ketterson, E.D., and V. Nolan Jr. 1999. Exogenous testosterone and the adrenocortical response in the Dark-eyed Junco, Junco hyemalis. Auk 116:64-72. [pdf]

Schwagmeyer, P.L. and E. D. Ketterson. 1999. Breeding Synchrony and EPF Rates: the Key to a Can of Worms? Trends in Ecology and Evolution 14:47-48. [pdf]

1998

Cawthorn, J.M., Morris, D., Ketterson, E.D., and Nolan, V. Jr. 1998. Influence of elevated testosterone on nest defence in dark-eyed juncos. Animal Behaviour 56:617-621. [pdf]

Kast, T.L., Ketterson, E.D., and V. Nolan Jr. 1998. Variation in ejaculate quality in dark-eyed juncos according to season, stage of reproduction, and testosterone treatment. Auk 115(3):684-693. [pdf]

Ketterson, E.D., Parker, P.G., Raouf, S.A., Nolan, V. Jr., Ziegenfus, C., and C.R. Chandler. 1998. Relative importance of extra-pair fertilizations to male and female reproductive success in dark-eyed juncos. Pp. 81-101 in Avian Reproductive Tactics: Female and Male Perspectives (P. G. Parker and N. T. Burley, eds.). Ornithological Monographs No. 49, Lawrence, KS. [pdf]

Schoech, S., Ketterson, E.D., Nolan, V. Jr. and Buntin, J., Sharp, P. 1998. The effect of exogenous testosterone on parental behavior, plasma prolactin, and prolactin binding sites in dark-eyed juncos. Hormones and Behavior 34:1-10. [pdf]

Smulders, T.V., Casto, J.M., Ketterson, E.D., Nolan, V. Jr. and DeVoogd, T.J. 1998. Testosterone and captivity affect telencephalic and hippocampal volume in dark-eyed juncos (Junco hyemalis). Society for Neuroscience Abstracts 24: 683.

1997

Chandler, C.R., E.D. Ketterson, and V. Nolan Jr. 1997. Effects of testosterone on spatial activity in free-ranging male dark-eyed juncos when their mates are fertile. Animal Behaviour 54:543-549. [pdf]

Enstrom, D.E., E.D. Ketterson, and V. Nolan Jr. 1997. Testosterone and mate choice in the dark-eyed junco. Animal Behaviour 54:1135-1146. [pdf]

Klukowski, L., Cawthorn, J. M., Ketterson, E.D., and V. Nolan Jr. 1997. Effects of testosterone on corticosterone and corticosterone binding globulin in captive dark-eyed juncos (Junco hyemalis). General and Comparative Endocrinology 108:141-151. [pdf]

Nolan, V. Jr., E. D. Ketterson, and C.F. Thompson (eds.). 1997. Current Ornithology, vol. 14. Plenum Press, New York.

Raouf, S.A., Parker, P.G., Ketterson, E.D., Nolan, V. Jr., and C. Ziegenfus. 1997. Testosterone affects reproductive success by influencing extra-pair fertilizations in male dark-eyed juncos, Junco hyemalis. Proc. Royal Society (Series B), London 264: 1599-1603. Errata, Proc. R. Soc. Lond. B (1998), 2453-2455. [pdf]

Titus, R.C., Chandler, C.R., Ketterson, E.D., and V. Nolan Jr. 1997. Song rates of dark-eyed juncos do not increase when females are fertile. Behav. Ecology and Sociobiology 41:165-169. [pdf]

Titus, R.C., E.D. Ketterson, and V. Nolan Jr. 1997. High testosterone prior to song crystallization inhibits singing behavior in captive yearling dark-eyed juncos, Junco hyemalis. Hormones and Behavior 32:133-140. [pdf]

1996

Ketterson, E.D., V. Nolan Jr., M.J. Cawthorn, P.G. Parker, and C. Ziegenfus. 1996. Phenotypic engineering: using hormones to explore the mechanistic and functional bases of phenotypic variation in nature. Ibis 138: 1-17. [pdf]

Nolan, V. Jr. and E. D. Ketterson. (eds.). 1996. Current Ornithology, vol. 13. Plenum Press, New York.

1995

Chandler, C.R., E.D. Ketterson, V. Nolan, Jr. 1995. Roost site selection in breeding male dark-eyed juncos. Condor 97:279-282. [pdf]

Lipar, J., Ketterson, E.D., and V. Nolan Jr. 1995. Steroid hormones in the yolk of red-winged blackbird eggs. Poultry and Avian Biology Reviews 6:329.

Raouf, S.A., Parker, P.G., Ketterson, E.D., and V. Nolan Jr. 1995. The effects of testosterone on reproductive success in the dark-eyed junco, Junco hyemalis carolinensis. Poultry and Avian Biology Reviews 6: 286.

1994

Chandler, C.R., Ketterson, E.D., Nolan, V. Jr., and C. Ziegenfus. 1994. Effects of testosterone on spatial activity in free-ranging male dark-eyed juncos, Junco hyemalis. Animal Behaviour 47:1445-1455. [pdf]

Ketterson, E.D., and V. Nolan Jr. 1994. Male parental behavior in birds. Ann. Rev. Ecol. & Syst. 25: 601-628. [pdf]

Ketterson, E.D., and V. Nolan Jr. 1994. Hormones and Life Histories: An Integrative Approach, in Behavioral Mechanisms in Evolutionary Ecology, pp 327-353. L. Real, ed., University of Chicago Press. (see American Naturalist paper, 1992 below)

Rogers, C.M., Nolan, V. Jr., and E.D. Ketterson. 1994. Winter fattening in Dark-eyed Juncos: plasticity and interaction with post-breeding migration. Oecologia, 97:526-532. [pdf]

1993

Rogers, C.M., Ramenofsky, M., Ketterson, E.D., Nolan, V. Jr., and J.C. Wingfield. 1993. Plasma corticosterone, adrenal mass, winter weather, and season in nonbreeding populations of Dark-eyed Juncos (JUNCO HYEMALIS HYEMALIS). Auk 110:279-285. [pdf]

Rogers, C.M., Nolan, V. Jr., and E.D. Ketterson. 1993. Geographic variation in winter fat of Dark-eyed Juncos: Displacement to a common environment. Ecology 74:1183-1190. [pdf]

1992

Ketterson, E.D., Nolan, V. Jr., Wolf, L., and C. Ziegenfus. 1992. Testosterone and avian life histories: effects of experimentally elevated testosterone on behavior and correlates of fitness in the Dark-eyed Junco (Junco hyemalis). American Naturalist 140:980-999. [pdf]

Ketterson, E.D. and V. Nolan, Jr. 1992. Hormones and life histories: an integrative approach. American Naturalist 140:S33-S62. [pdf]

Ketterson, E.D., Nolan, V. Jr., Ziegenfus, C. Cullen, D.P., and M.J. Cawthorn. 1992. Non-breeding season attributes of male Dark-eyed Juncos that acquired breeding territories in their first year. Acta XXI Congressus Internationalis Ornithologici, Vol 2:1229-1239. [pdf]

Nolan, V., Ketterson, E.D., Ziegenfus, C., Chandler, C.R., and D.P. Cullen. 1992. Testosterone and avian life histories: effects of experimentally elevated testosterone on molt and survival in male Dark-eyed Juncos. Condor 94: 364-370. [pdf]

1991

Ketterson, E.D., Nolan, V. Jr., Wolf, L. Ziegenfus, C. Dufty, A.M., Ball G.F, and T.S. Johnsen. 1991. Testosterone and avian life histories: the effect of experimentally elevated testosterone on corticosterone and body mass. Hormones and Behavior 25:489-503. [pdf]

Nolan, V. Jr. and E.D. Ketterson. 1991. Experiments on winter-site attachment in young dark-eyed juncos. Ethology 87:123-133. [pdf]

Wolf, L., Ketterson, E.D., and V. Nolan, Jr. 1991. Effects of male parental care on correlates of female condition in Dark-eyed Juncos: do parental males benefit? Auk 108:371-380. [pdf]

1990

Cristol, D.A., Nolan, V., Jr., and Ketterson, E.D. 1990. Effect of prior residence on dominance in dark-eyed Juncos (Junco hyemalis). Animal Behaviour, 40:580-586. [pdf]

Ketterson, E.D., Nolan, V. Jr., Wolf, L., and Goldsmith, A. 1990. Effect of sex, stage of reproduction, season, and mate removal on prolactin in Dark-eyed Juncos (Junco hyemalis). Condor 92:922-930. [pdf]

Ketterson, E.D. and V. Nolan Jr. 1990. Site attachment and site-fidelity in migratory birds: experimental evidence from the field and analogies from Neurobiology, pp. 117-129. In Bird Migration, E. Gwinner (ed.). Springer-Verlag, Berlin. [pdf]

Nolan, V. Jr. and E.D. Ketterson. 1990. Effect of long days on molt and migratory state of site-faithful Dark-eyed Juncos held at their winter sites. Wilson Bulletin 102:469-479. [pdf]

Nolan, V., Jr. and E.D. Ketterson. 1990. Timing of autumn migration in relation to the winter distribution of the sex-age classes in the Dark-eyed Junco (Junco hyemalis). Ecology 71:1267-1278. [pdf]

Wolf, L., Ketterson, E.D., and V. Nolan Jr. 1990. Behavioural response of female Dark-eyed Junco to the experimental removal of their mates: implications for the evolution of male parental care. Animal Behaviour 39:125-134. [pdf]

1980s

Rogers, C.M., Theimer, T, Nolan, V. Jr., and E.D. Ketterson. 1989. Does dominance determine how far Dark-eyed Juncos (Junco hyemalis) migrate into the winter range? Animal Behaviour 37:498-506. [pdf]

Wolf, L., Ketterson, E.D., and V. Nolan, Jr. 1988. Paternal influence on growth and survival of Dark-eyed Junco young: do parental males benefit? Animal Behaviour 36:1601-1618. [pdf]

Ketterson, E.D. and V. Nolan, Jr. 1988. A possible role for experience in the regulation of the timing of bird migration. Proceedings XIXth International Ornithological Congress (Ottawa) Vol. II, pp. 2169-2179.

Sniegowski, P., Ketterson, E.D., and V. Nolan, Jr. 1988. Can experience alter the avian annual cycle? Results of migration experiments in Indigo Buntings. Ethology 79:333-341. [pdf]

Ketterson, E.D. and V. Nolan, Jr. 1987. Suppression of autumnal migration unrest in Dark-eyed Juncos held during summer on, near, or far from their previous wintering sites. Auk 104:303-310. [pdf]

Ketterson, E.D. and V. Nolan, Jr. 1987. Spring and summer confinement of Dark-eyed Juncos at autumn migratory destination suppresses normal autumn behavior. Animal Behaviour 35:1744-1753. [pdf]

Rogers, C.M., Ketterson, E.D., and V. Nolan Jr. 1987. Predation risk and fasting capacity: Do wintering birds maintain optimal body mass? Bulletin Ecological Society of America (abstract).

Ketterson, E.D. and V. Nolan Jr. 1986. Effect of winter laparotomy on long-term survival of Tree Sparrows and Dark-eyed Juncos. Journal Field Ornithology 57:239-240. [pdf]

Nolan, Val Jr., Ketterson, E.D., and L. Wolf. 1986. Long-distance homing by non-migratory Dark-eyed Juncos. Condor 88:539-542. [pdf]

Ketterson, E.D. and V. Nolan Jr. 1985. Intraspecific variation in avian migration: evolutionary and regulatory aspects. In Migration: Mechanisms and Adaptive Significance (ed. M.A. Rankin). Univ. Texas Contributions in Marine Science, Supplement 27:553-579. [pdf]

Ketterson, E.D. and V. Nolan Jr. 1983. Behavior of migratory Dark-eyed Juncos following release in the winter range during the breeding season. Journal of Field Ornithology 54:387-393. [pdf]

Ketterson, E.D. and V. Nolan, Jr. 1983. The evolution of differential bird migration, pp. 357-402. In R.F. Johnston (ed.), Current Ornithology, Vol. I, Plenum Press, New York. [pdf]

Ketterson, E.D. and V. Nolan Jr. 1983. Autumnal Zugunruhe and migratory fattening of Dark-eyed Juncos apparently suppressed by detention at the wintering sites. Wilson Bulletin 95:629-635. [pdf]

Nolan Jr., V. and E.D. Ketterson. 1983. An analysis of body mass, wing length, and visible fat deposits of Dark-eyed Juncos wintering at different latitudes. Wilson Bulletin 95:603-620. [pdf]

Ketterson, E.D. and V. Nolan, Jr. 1982. The role of migration and winter mortality in the life history of a temperate-zone migrant, the Dark-eyed Junco, as determined from demographic analyses of winter populations. Auk 99:243-259. [pdf]

Stuebe, M.M. and E.D. Ketterson. 1982. A study of fasting endurance in Tree Sparrows and Dark-eyed Juncos: ecological implications. Auk 99:299-308. [pdf]

1970s

Ketterson, E.D. 1979. Aggressive behavior in wintering Dark-eyed Juncos: determinants of dominance and their possible relation to geographic variation in sex ratio. Wilson Bulletin 91:371-383. (Selected as the best paper to appear in the journal during 1979). [pdf]

Ketterson, E.D. and V. Nolan Jr. 1979. Seasonal, annual, and geographic variation in sex ratio of wintering populations of Dark-eyed Juncos (Junco hyemalis). Auk 96:522-536. [pdf]

Ketterson, E.D. 1978. Status signaling in juncos. Auk 96:94-99. [pdf]

Ketterson, E.D. and V. Nolan Jr. 1978. Overnight weight loss in Dark-eyed Juncos (Junco hyemalis). Auk 95:755-758. [pdf]

Ketterson, E.D. 1978. Environmental influences upon aggressive behavior in wintering juncos. Bird-Banding 49:313-320. [pdf]

Ketterson, E.D. 1977. Male Prairie Warbler dies during courtship. Auk 94:393. [pdf]

Ketterson, E.D. and J.R. King. 1977. Metabolic and behavioral responses to fasting in the White-crowned Sparrow (Zonotrichia leucophrys gambelii). Physiological Zoology 50:115-129. [pdf]

Ketterson, E.D. and V. Nolan Jr. 1976. Geographic variation and its climatic correlates in the sex ratio of eastern-wintering Dark-eyed Juncos (Junco hyemalis hyemalis). Ecology 57:679-693. [pdf]