Publications

118. Martinig, A. R., H. J. Karst, E. R. Siracusa, E. K. Studd, A. G. McAdam, B. Dantzer, D. M. Delaney, J. E. Lane, P. Pokharel, and S. Boutin.  2022. Animal personality: a comparison of standardized assays and focal observations in North American red squirrels. Animal Behaviour 190: 221-232. doi: 10.1016/j.anbehav.2022.05.012

117. Petrullo, L., T. Ren, M. Wu, R. Boonstra, R. Palme, S. Boutin, A. G. McAdam, and B. Dantzer.  2022. Glucocorticoids coordinate changes in gut microbiome composition in wild North American red squirrels. Scientific Reports 12: 2605. doi: 10.1038/s41598-022-06359-5

116. Hare, A. J., A. E. M. Newman, B. Dantzer, J. E. Lane, S. Boutin, D. W. Coltman, and A. G. McAdam. 2021. An independent experiment does not support stress-mediated kin discrimination through red squirrel vocalizations. Animal Behaviour 176: 185-192. doi: 10.1016/j.anbehav.2021.04.010

115. McAdam, A. G., Q. M. R. Webber, B. Dantzer, J. E. Lane, and S. Boutin. 2022. Social effects on annual fitness in red squirrels. Journal of Heredity 113(1): 69-78. doi: 10.1093/jhered/esab051 [archived data; analysis code]

114. Westrick, S. E., F. van Kesteren, S. Boutin, J. E. Lane, A. G. McAdam, and B. Dantzer. 2021. Maternal glucocorticoids have minimal effects on HPA axis activity and behavior of juvenile wild North American red squirrels. Journal of Experimental Biology 224 (10): jeb236620. doi: 10.1242/jeb.236620

113. Martinig, A. R., K. J. Mathot, J. E. Lane, B. Dantzer, and S. Boutin. 2021. Selective disappearance does not underlie age-related changes in repeatability in red squirrels.  Behavioral Ecology 32: 306-315. doi: 10.1093/beheco/araa136

112. Siracusa, E. R., S. Boutin, B. Dantzer, J. E. Lane, D. W. Coltman, and A. G. McAdam. 2021. Familiar neighbours, but not relatives, enhance fitness in a territorial mammal. Current Biology 31 (2): 438-445. doi: 10.1016/j.cub.2020.10.072

 111. Dantzer, B., A. G. McAdam, M. M. Humphries, J. E. Lane, and S. Boutin.  2020. Decoupling the effects of food and density on life history plasticity of wild animals using field experiments: insights from the steward who sits in the shadow of its tail, the North American red squirrel.  Journal of Animal Ecology 89: 2397-2414. doi: 10.1111/1365-2656.13341

110. Menzies, A. K., E. K. Studd, Y. N. Majchrzak, M. J. L. Peers, S. Boutin, B. Dantzer, J. E. Lane, A. G. McAdam, and M. M. Humphries. 2020. Body temperature, heart rate, and activity patterns of two boreal homeotherms in winter: homeostasis, allostasis, and ecological coexistence. Functional Ecology 34: 2292-2301. doi:10.1111/1365-2435.13640

109. Westrick, S. E., R. W. Taylor, S. Boutin, J. E. Lane, A. G. McAdam, and B. Dantzer. 2020. Attentive red squirrel mothers have faster growing pups and higher lifetime reproductive success.  Behavioural Ecology and Sociobiology 74: 72. doi: /10.1007/s00265-020-02856-7 [supporting data]

108.  Studd, E. K., A. K. Menzies, E. R. Siracusa, B. Dantzer, J. E. Lane, A. G. McAdam, S. Boutin, and M. M. Humphries. 2020. Optimisation of energetic and reproductive gains explains behavioural responses to environmental variation across seasons and years. Ecology Letters 23: 841-850. doi: 10.1111/ele.13494

107.  Hendrix, J. G., D. N. Fisher, A. R. Martinig, S. Boutin, B. Dantzer, J. E. Lane, and A. G. McAdam.  Territory acquisition mediates the influence of predators and climate on juvenile red squirrel survival.  Journal of Animal Ecology 89: 1408-1418. doi: 10.1111/1365-2656.13209

106. Haines, J. A., S. E. Nason, A. M. M. Skurdal, T. Bourchier, S. Boutin, R. W. Taylor, A. G. McAdam, J. E. Lane, A. D. Kelley, M. M. Humphries, J. C. Gorrell, B. Dantzer, D. W. Coltman, and A. Hämäläinen. 2020. Sex- and context-specific associations between personality and a measure of fitness but no link with life history traits. Animal Behaviour 167: 23-39. doi: /10.1016/j.anbehav.2020.06.013

105. Dantzer, B., F. van Kesteren, S. Westrick, S. Boutin, A. G. McAdam, J. E. Lane, R. Gillespie, A. Majer, M. Haussmann, and P. Monaghan. Maternal glucocorticoids promote offspring growth without inducing oxidative stress or shortening telomeres in wild red squirrels. Journal of Experimental Biology 223: jeb212373. doi: 10.1242/jeb.212373

104. Martinig, A. R., A. G. McAdam, B. Danzter, J. E. Lane, D. W. Coltman, and S. Boutin. 2020. The new kid on the block: Immigrant males win big whereas females pay fitness cost after dispersal. Ecology Letters 23: 430-438. doi: 10.1111/ele.13436

103. Westrick, S. E., F. van Kesteren, R. Palme, R. Boonstra, J. E. Lane, S. Boutin, A. G. McAdam, and B. Dantzer. 2019. Stress activity is not predictive of coping style in North American red squirrels. Behavioral Ecology and Sociobiology 73: 113. doi: 10.1007/s00265-019-2728-2

100. Guindre-Parker, S., A. G. McAdam, F. van Kesteren, R. Palme, R. Boonstra, S. Boutin, J. E. Lane, and B. Dantzer. 2019. Individual variation in phenotypic plasticity of the stress axis. Biology Letters 15: 20190260. doi: 10.1098/rsbl.2019.0260

99. Sehrsweeney, M., D. R. Wilson, M. Bain, S. Boutin, J. E. Lane, A. G. McAdam, and B. Dantzer. 2019. The effects of stress and glucocorticoids on vocalizations: a test in North American red squirrels. Behavioral Ecology 30: 1030-1040. doi: 10.1093/beheco/arz044

98. Fisher, D. N., A. J. Wilson, S. Boutin, B. Dantzer, J. E. Lane, D. W. Coltman, J. C. Gorrell, and A. G. McAdam. 2019. Social effects of territorial neighbours on the timing of spring breeding in North American red squirrels. Journal of Evolutionary Biology 32: 559-571. doi: 10.1111/jeb.13437

97. McAdam, A. G., S. Boutin, B. Dantzer, and J. E. Lane. 2019. Seed masting causes fluctuations in optimum litter size and lag load in a seed predator. American Naturalist 194: 574-589. doi: 10.1086/703743

96. Fisher, D. N., J. A. Haines, S. Boutin, B. Dantzer, J. E. Lane, D. W. Coltman, and A. G. McAdam. 2019. Indirect effects on fitness between individuals that have never met via an extended phenotype. Ecology Letters 22: 697-706. doi: 10.1111/ele.13230

95. Siracusa E. R., D. R. Wilson, E. K. Studd, S. Boutin, M. M. Humphries, B. Dantzer, J. E. Lane, and A. G. McAdam. 2019. North American red squirrels mitigate costs of territory defence through social plasticity. Animal Behaviour 151: 29-42. doi: 10.1016/j.anbehav.2019.02.014

94. Studd, E. K., M. Landry‐Cuerrier, A. K. Menzies, S. Boutin, A. G. McAdam, J. E. Lane, and M. M. Humphries. 2019. Behavioral classification of low‐frequency acceleration and temperature data from a free‐ranging small mammal. Ecology and Evolution 9: 619-630. doi: 10.1002/ece3.4786

93. van Kesteren, F., B. Delehanty, S. E. Westrick, R. Palme, R. Boonstra, J. E. Lane, S. Boutin, A. G. McAdam, and B. Dantzer. 2019. Experimental increases in glucocorticoids alter function of the HPA axis in wild red squirrels without negatively impacting survival and reproduction. Physiological and Biochemical Zoology 92: 445-458. doi: 10.1086/705121

92. Wishart, A. E., C. T. Williams, A. G. McAdam, S. Boutin, B. Dantzer, M. M. Humphries, D. W. Coltman, and J. E. Lane. Is biasing offspring sex ratio adaptive? A test of Fisher's principle across multiple generations of a wild mammal in a fluctuating environment. Proceedings of the Royal Society B: Biological Sciences 285: 20181251. doi: 10.1098/rspb.2018.1251

91. Robertson, J. G., S. Boutin, M. M. Humphries, B. Dantzer, J. E. Lane, and A. G. McAdam. 2018. Individual variation in the dear enemy phenomenon via territorial vocalizations in red squirrels. Behaviour 155: 1073-1096. doi: 10.1163/1568539X-00003524

90. Lane, J. E., A. G. McAdam, S. E. McFarlane, C. T. Williams, M. M. Humphries, D. W. Coltman, J. C. Gorrell, and S. Boutin. 2018. Phenological shifts in North American red squirrels: disentangling the roles of phenotypic plasticity and microevolution. Journal of Evolutionary Biology 31: 810-821. doi: 10.1111/jeb.13263

89. Haines, J. A., D. W. Coltman, B. Dantzer, J. C. Gorrell, M. M. Humphries, J. E. Lane, A. G. McAdam, and S. Boutin. 2017. Sexually selected infanticide by male red squirrels in advance of a mast year. Ecology 99: 1242-1244. doi: 10.1002/ecy.2158

88. Siracusa, E., M. Morandini, S. Boutin, M. M. Humphries, B. Dantzer, J. E. Lane, and Andrew G McAdam. 2017. Red squirrel territorial vocalizations deter intrusions by conspecific rivals. Behaviour 154: 1259-1273. doi: 10.1163/1568539X-00003467

87. Siracusa E., S. Boutin, M. M. Humphries, J. C. Gorrell, D. W. Coltman, B. Dantzer, J. E. Lane, and A. G. McAdam. 2017. Familiarity with neighbours affects intrusion risk in territorial red squirrels. Animal Behavior 133: 11-20. doi: 10.1016/j.anbehav.2017.08.024

86. Cooper, E. B., R. W. Taylor, A. D. Kelley, A. R. Martinig, S. Boutin, M. M. Humphries, B. Dantzer, J. E. Lane, and A. G. McAdam. 2017. Personality is correlated with natal dispersal in North American red squirrels (Tamiasciurus hudsonicus). Behaviour 154: 939-961. doi: 10.1163/1568539X-00003450

85. Boonstra, R., A. Dušek, J. E. Lane, and S. Boutin. 2017. When the ball is in the female’s court: How the scramble-competition mating system of the North American red squirrel has shaped male physiology and testosterone dynamics. General and Comparative Endocrinology 252: 162-172. doi: 10.1016/j.ygcen.2017.06.016

Ren, T., S. Boutin, M. M. Humphries, B. Dantzer, J. C. Gorrell, D. W. Coltman, A. G. McAdam, and M. Wu. 2017. Seasonal, spatial, and maternal effects on gut microbiome in wild red squirrels. Microbiome 5: 163. doi: 10.1186/s40168-017-0382-3

84. Hämäläinen, A., A. G. McAdam, B. Dantzer, J. E. Lane, J. A. Haines, M. M. Humphries, and S. Boutin. 2017. Fitness consequences of peak reproductive effort in a resource pulse system. Scientific Reports 7: 9335. doi: 10.1038/s41598-017-09724-x

83. Fisher, D. N., S. Boutin, B. Dantzer, M. M. Humphries, J. E. Lane, and A. G. McAdam. 2017. Multilevel and sex-specific selection on competitive traits in North American red squirrels. Evolution 71: 1841-1854. doi: 10.1111/evo.13270

82. [duplicate publication 82] Shonfield, J., J. C. Gorrell, D. W. Coltman, S. Boutin, M. M. Humphries, D. R. Wilson, and A G. McAdam. 2017. Using playback of territorial calls to investigate mechanisms of kin discrimination in red squirrels. Behavioral Ecology 28: 382-390. doi: 10.1093/beheco/arw165

82. Studd, E. K., S. Boutin, A. G. McAdam, and M. M. Humphries. 2016. Nest attendance of lactating red squirrels (Tamiasciurus hudsonicus): influences of biological and environmental correlates. Journal of Mammalogy 97: 806-814. doi: 10.1093/jmammal/gyw010

81. Wilson, D. R., A. R. Goble, S. Boutin, M. M. Humphries, D. W. Coltman, J. C. Gorrell, J. Shonfield, and A. G. McAdam. 2015. Red squirrels use territorial vocalizations for kin discrimination. Animal Behaviour 107: 79-85. doi: 10.1016/j.anbehav.2015.06.011

80. Lane, J. E., A. G. McAdam, A. Charmantier, M. M. Humphries, D. W. Coltman, Q. Fletcher, J. C. Gorrell, and S. Boutin. 2015. Post-weaning parental care increases fitness but is not heritable in North American red squirrels. Journal of Evolutionary Biology 28: 1203-1212. doi: 10.1111/jeb.12633

79. McFarlane, S. E., J. C. Gorrell, D. W. Coltman, M. M. Humphries, S. Boutin, and A. G. McAdam. 2015. The nature of nurture in a wild mammal’s fitness. Proceedings of the Royal Society B: Biological Sciences 282: 20142422. doi: 10.1098/rspb.2014.2422

78. Kelley, A. D., M. M. Humphries, A. G. McAdam and S. Boutin. 2015. Changes in wild red squirrel personality across ontogeny: activity and aggression regress towards the mean. Behaviour 152: 1291-1306. doi: 10.1163/1568539X-00003279

77. Taylor, R. W., S. Boutin, M. M Humphries, and A. G. McAdam. 2014. Selection on female behaviour fluctuates with offspring environment. Journal of Evolutionary Biology 27: 2308-2321. doi: 10.1111/jeb.12495

76. C. T. Williams, K. Wilsterman, A. D. Kelley, A. R. Breton, H. Stark, M. M. Humphries, A. G. McAdam, B. M. Barnes, S. Boutin, and C. L. Buck. 2014. Light loggers reveal weather-driven changes in the daily activity patterns of arboreal and semifossorial rodents. Journal of Mammalogy 95: 1230-1239. doi: 10.1644/14-MAMM-A-062

75. E. K. Studd, S. Boutin, A. G. McAdam, C. J. Krebs and M. M. Humphries. 2015. Predators, energetics and fitness drive neonatal reproductive failure in red squirrels. Journal of Animal Ecology 84: 249-259. doi: 10.1111/1365-2656.12279

74. Fletcher Q. E., J. R. Speakman, S. Boutin, J. E. Lane, A. G. McAdam, J. C. Gorrell, D. W. Coltman, and M. M. Humphries. 2014. Daily energy expenditure during lactation is strongly selected in a free living mammal. Functional Ecology 29: 195-208. doi: 10.1111/1365-2435.12313

73. McFarlane, S. E., J. C. Gorrell, D. W. Coltman, M. M. Humphries, S. Boutin, and A. G. McAdam. 2014. Very low levels of direct additive genetic variance in fitness and fitness components in a red squirrel population. Ecology and Evolution 4: 1729-1738. doi: 10.1002/ece3.982

72. Williams C. T., J. E. Lane, M. M. Humphries, A. G. McAdam, and S. Boutin. 2014. Reproductive phenology of a food-hoarding mast-seed consumer: resource- and density-dependent benefits of early breeding in red squirrels. Oecologia 174: 777-788. doi: 10.1007/s00442-013-2826-1

71. LaMontagne J. M., C. T. Williams, J. L. Donald, M. M. Humphries, A. G. McAdam, and S. Boutin. 2013. Linking intraspecific variation in territory size, cone supply, and survival of North American red squirrels. Journal of Mammalogy 94: 1048-1058. doi: 10.1644/12-MAMM-A-245.1

70. Fletcher Q.E., M. Landry-Cuerrier, S. Boutin, A.G. McAdam, J.R. Speakman, and M.M. Humphries. 2013. Reproductive timing and reliance on hoarded capital resources by lactating red squirrels. Oecologia 173:1203-1215 doi: 10.1007/s00442-013-2699-3

69. Dantzer, B., A. E. M. Newman, R. Boonstra, R. Palme, S. Boutin, M. M. Humphries, and A. G. McAdam. 2013. Density triggers maternal hormones that increase adaptive offspring growth in a wild mammal. Science 340:1215-1217. doi: 10.1126/science.1235765

68. Archibald, D. W., Q. E. Fletcher, S. Boutin, A. G. McAdam, and M. M. Humphries. 2013. Sex-specific hoarding behaviour in North American red squirrels (Tamiasciurus hudsonicus). Journal of Mammalogy 94:761-770. doi: 10.1644/12-MAMM-A-213.1

67. Williams, C. T., J. C. Gorrell, J. E. Lane, A. G. McAdam, M. M. Humphries, and S. Boutin. 2013. Communal nesting in an ‘asocial’ mammal: social thermoregulation among -spatially dispersed kin. Behavioral Ecology and Sociobiology 67:757-763. doi: 10.1007/s00265-013-1499-4

66. Fletcher, Q. E., C. Selman, S. Boutin, A. G. McAdam, S. B. Woods, A. Y. Seo, C. Leeuwenburgh, R. Sinclair, J. R. Speakman, and M. M. Humphries. 2013. Oxidative damage increases with reproductive energy expenditure and is reduced by food-supplementation. Evolution 67: 1527-1536. doi: 10.1111/evo.12014

Boutin, S., A. G. McAdam, and M. M. Humphries. 2013. Anticipatory reproduction in squirrels can succeed in the absence of extra food. New Zealand Journal of Zoology 40:337-339. doi: 10.1080/03014223.2013.798337

65. Fletcher, Q. E., J. R. Speakman, S. Boutin, A. G. McAdam, S. B. Woods and M. M. Humphries. 2012. Seasonal stage differences overwhelm environmental and individual factors as determinants of energy expenditure in free-ranging red squirrels. Functional Ecology 26: 677–687. doi: 10.1111/j.1365-2435.2012.01975.x

64. Gorrell J. C., S. Boutin, S. Raveh, P. Neuhaus, S. D. Côté, and D. W. Coltman. 2012. Sexing the Sciuridae: A simple and accurate set of molecular methods to determine sex in tree squirrels, ground squirrels and marmots. Molecular Ecology Resources 12: 806-809. doi: 10.1111/j.1755-0998.2012.03165.x

63. Shonfield, J., R.W. Taylor, S. Boutin, M.M. Humphries, & A. G. McAdam. 2012. Territorial defence intensity in red squirrels is influenced by local density. Behaviour, 149: 369-390. doi: 10.1163/156853912X637842

62. Taylor, R. W., Boon, A. K., Dantzer, B., Réale, D., Humphries, M. M., Boutin, S., Gorrell, J. C., Coltman, D. W. and McAdam, A. G. 2012. Low heritabilities, but genetic and maternal correlations between red squirrel behaviours. Journal of Evolutionary Biology, 25: 614-624. doi: 10.1111/j.1420-9101.2012.02456.x

61. Archibald, D. W., A. G. McAdam, S. Boutin, Q. E. Fletcher, and M. M. Humphries. 2012. Within-season synchrony of a masting conifer enhances seed escape. American Naturalist 179: 536-544. doi: 10.1086/664623

60. Dantzer, B., S. Boutin, M. M. Humphries, and A. G. McAdam. 2012. Behavioral responses of territorial red squirrels to natural and experimental variation in population density. Behavioral Ecology and Sociobiology 66: 865-878. doi: 10.1007/s00265-012-1335-2

59. Dantzer, B., A. G. McAdam, R. Palme, S. Boutin, and R. Boonstra. 2011. How does diet affect fecal steroid hormone metabolite concentrations? An experimental examination in red squirrels. General and Comparative Endocrinology 174: 124-131. doi: 10.1016/j.ygcen.2011.08.010

58. Donald, J. and S. Boutin. 2011. Intraspecific cache pilferage by larder-hoarding red squirrels (Tamiasciurus hudsonicus). Journal of Mammalogy 92: 1013-1020. doi: 10.1644/10-MAMM-A-340.1

57. McFarlane, S. E., J. E. Lane, R. W. Taylor, J. C. Gorrell, D. W. Coltman, M. M. Humphries, S. Boutin, and A. G. McAdam. 2011. The heritability of multiple mating in a promiscuous mammal. Biology Letters 7: 368-371. doi: 10.1098/rsbl.2010.1003

56. Dantzer, B., A. G. McAdam, R. Palme, M. M. Humphries, S. Boutin, and R. Boonstra. 2011. Maternal androgens and behaviour in free-ranging North American red squirrels. Animal Behaviour 81: 469-479. doi: 10.1016/j.anbehav.2010.11.021

55. Gorrell, J. C., A. G. McAdam, D. W. Coltman, M. M. Humphries, and S. Boutin. 2010. Adopting kin enhances inclusive fitness in asocial red squirrels. Nature Communications. 1: 22. doi: 10.1038/ncomms1022

54. Johnson, K., R. Boonstra, and J. Wojtowicz. 2010. Hippocampal neurogenesis in food-storing rodents: the impact of age and spatial behaviour. Genes, Brains and Behavior 9: 583-591. doi: 10.1111/j.1601-183X.2010.00589.x

53. Fletcher, Q. E., S. Boutin, J. E. Lane, J. M. LaMontagne, A. G. McAdam, J. R. Speakman, C. J. Krebs, and M. M. Humphries. 2010. The functional response of a hoarding seed predator to mast seeding. Ecology 91: 2673-2683. doi: 10.1890/09-1816.1

52. Dantzer, B., A. G. McAdam, R. Palme, Q. E. Fletcher, S. Boutin, M. M. Humphries, and R. Boonstra. 2010. Fecal cortisol metabolite levels in free-ranging North American red squirrels: Assay validation and the effects of reproductive condition. General and Comparative Endocrinology 167: 279-286. doi: 10.1016/j.ygcen.2010.03.024

51. Larivée, M. L., S. Boutin, J. R. Speakman, A. G. McAdam, and M. M. Humphries. 2010. Associations between over-winter survival and resting metabolic rate in juvenile North American red squirrels (Tamiasciurus hudsonicus). Functional Ecology, 24: 597-607. doi: 10.1111/j.1365-2435.2009.01680.x

50. Pelech, S. A., J. N. M. Smith, and S. Boutin. 2009. A predator’s perspective of nest predation: predation by red squirrels is learned, not incidental. Oikos 119: 841-851. doi: 10.1111/j.1600-1706.2009.17786.x

49. LaMontagne, J. M. and S. Boutin. 2009. Quantitative methods for defining mast-seeding years across species and studies. Journal of Vegetation Science 20: 745-753. doi: 10.1111/j.1654-1103.2009.01068.x

48. Lane, J. E., S. Boutin, J. R. Speakman and M. M. Humphries. 2010. Energetic costs of reproduction to males in a scramble competition mating system. Journal of Animal Ecology 79: 27-34. doi: 10.1111/j.1365-2656.2009.01592.x

47. Kerr, T. and S. Descamps. 2008. Why do red squirrel mothers relocate their young? A predation-based hypothesis. Canadian Field Naturalist 122: 65-66. doi: 10.22621/cfn.v122i1.546

46. Guillemette, C. U., Q. E. Fletcher, S. Boutin, R. M. Hodges, A. G. McAdam, and M. M. Humphries. 2009. Lactating red squirrels experiencing high heat load occupy less insulated nests. Biology Letters 5: 166-168. doi: 10.1098/rsbl.2008.0592

45. Descamps, S., S. Boutin, A. G. McAdam, D. Berteaux, and J. -M. Gaillard. 2009. Survival costs of reproduction vary with age in North American red squirrels. Proceedings of the Royal Society B: Biological Sciences 276: 1129-1135. doi: 10.1098/rspb.2008.1401

44. Lane, J. E., S. Boutin, M. R. Gunn, and D. W. Coltman. 2009. Sexually-selected behaviour: red squirrel males search for reproductive success. Journal of Animal Ecology 78: 296-304. doi: 10.1111/j.1365-2656.2008.01502.x

43. Boon, A. K., D. Réale, and S. Boutin, S. 2008. Personality, habitat use, and their consequences for survival in North American red squirrels Tamiasciurus hudsonicus. Oikos, 117: 1321-1328. doi: 10.1111/j.0030-1299.2008.16567.x

42. McAdam, A. G. 2009. Maternal effects on evolutionary dynamics in the wild. In Maternal Effects in Mammals, D. Maestripieri and J. Mateo, Eds. University of Chicago Press.

41. Boonstra, R., J. E. Lane, S. Boutin, A. Bradley, L. Desantis, A. E. M. Newman, and K. K. Soma. 2008. Plasma DHEA levels in wild, territorial red squirrels: Seasonal variation and effect of ACTH. General and Comparative Endocrinology, 158: 61-67. doi: 10.1016/j.ygcen.2008.05.004

40. Descamps, S., S. Boutin, D. Berteaux, and J. -M. Gaillard. 2008. Age-specific variation in survival, reproductive success and offspring quality in red squirrels: evidence of senescence. Oikos, 117: 1406-1416. doi: 10.1111/j.0030-1299.2008.16545.x

39. Lane, J. E., S. Boutin, M. R. Gunn, J. Slate and D. W. Coltman. 2008. Female multiple mating and paternity in free-ranging North American red squirrels. Animal Behaviour, 75: 1927-1937. doi: 10.1016/j.anbehav.2007.10.038

38. Descamps, S., S. Boutin, D. Berteaux, A. G. McAdam, J. -M. Gaillard. 2008. Cohort effects in red squirrels: the influence of density, food abundance and temperature on future survival and reproductive success. Journal of Animal Ecology 77: 305-314. doi: 10.1111/j.1365-2656.2007.01340.x

37. Boon, A. K., D. Réale and S. Boutin. 2007. The interaction between personality, offspring fitness and food abundance in North American red squirrels. Ecology Letters 10: 1094-1104. doi: 10.1111/j.1461-0248.2007.01106.x

36. Descamps, S., S, Boutin, D. Berteaux, and J.-M. Gaillard. 2007. Female red squirrels fit Williams’ hypothesis of increasing reproductive effort with increasing age. Journal of Animal Ecology 76: 1192-1201. doi: 10.1111/j.1365-2656.2007.01301.x

35. LaMontagne, J. L. and S. Boutin. 2007. Local-scale variability and synchrony in mast seeding of Picea glauca. Journal of Ecology 95: 991-1000. doi: 10.1111/j.1365-2745.2007.01266.x

34. Kerr, T. D., S. Boutin, J. M. LaMontagne, A. G. McAdam, and M. M. Humphries. 2007. Persistent maternal effects on juvenile survival in North American red squirrels. Biology Letters 3: 289-291. doi: 10.1098/rsbl.2006.0615

33. McAdam, A. G., S. Boutin, A. K. Sykes, and M. M. Humphries. 2007. Life histories of female red squirrels and their contributions to population growth and lifetime fitness. Écoscience 14: 362-369. doi: 10.2980/1195-6860(2007)14[362:LHOFRS]2.0.CO;2

32. Lane, J. E., S. Boutin, M. R. Gunn, J. Slate, and D. W. Coltman. 2007. Genetic relatedness of mates does not predict patterns of parentage in North American red squirrels. Animal Behaviour 74: 611-619. doi: 10.1016/j.anbehav.2006.12.017

31. Gunn, M. R., K. Hartnup, S. Boutin, J. Slate, and D. W. Coltman. 2007. A test of the efficacy of whole-genome amplification on DNA obtained from low-yield samples. Molecular Ecology Notes 7: 393-399. doi: 10.1111/j.1471-8286.2007.01696.x

30. Boutin, S., L. A. Wauters, A. G. McAdam, M. M. Humphries, G. Tosi, and A. A. Dhondt. 2006. Anticipatory reproduction and population growth in seed predators. Science 314: 1928-1930. doi: 10.1126/science.1135520

29. Pretzlaw, T., C. Trudeau, M.M. Humphries, J. M. LaMontagne, and S. Boutin. 2006. Red squirrel (Tamiasciurus hudsonicus) feeding on spruce bark beetles (Dendroctonus rufipennis) in the Canadian boreal forest: energetic and ecological implications. Journal of Mammalogy 87: 909-914. doi: 10.1644/05-MAMM-A-310R1.1

28. Descamps, S., S. Boutin, D. Berteaux, and J. -M. Gaillard. 2006. Best squirrels trade a long life for an early reproduction. Proceedings of the Royal Society B: Biological Sciences 273: 2369-2374. doi: 10.1098/rspb.2006.3588

27. Humphries, M. M., S. Boutin, D. W. Thomas, J. D. Ryan, C. Selman, A. G. McAdam, D. Berteaux, and J. R. Speakman. 2005. Expenditure freeze: the metabolic responses of small mammals to cold environments. Ecology Letters 8: 1326-1333. doi: 10.1111/j.1461-0248.2005.00839.x

26. LaMontagne, J. M., S. Peters, and S. Boutin. 2005. A visual index for estimating cone production for individual white spruce trees. Canadian Journal of Forest Research 35: 3020-3026. doi: 10.1139/x05-210

25. Gunn, M. R., D. A. Dawson, A. Leviston, K. Hartnup, C. S. Davis, C. Strobeck, J. Slate, and D. W. Coltman. 2005. Isolation of 18 polymorphic microsatellite loci from the North American red squirrel,Tamiasciurus hudsonicus (Sciuridae, Rodentia), and their cross-utility in other species. Molecular Ecology Notes 5: 650-653. doi: 10.1111/j.1471-8286.2005.01022.x

24. Berteaux, D., D. Réale, A. G. McAdam, and S. Boutin. 2004. Keeping pace with fast climate change: Can arctic life count on evolution? Integrative and Comparative Biology 44: 140-151. doi: 10.1093/icb/44.2.140

23. McAdam, A. G. and S. Boutin. 2004. Maternal effects and the response to selection in red squirrels. Proceedings of the Royal Society B: Biological Sciences 271: 75-79. doi: 10.1098/rspb.2003.2572

22. McAdam, A. G. and S. Boutin. 2003a. Effects of food abundance on genetic and maternal variation in the growth rate of juvenile red squirrels. Journal of Evolutionary Biology 16: 1249-1256. doi: 10.1046/j.1420-9101.2003.00630.x

21. McAdam, A. G. and S. Boutin. 2003b. Variation in viability selection among cohorts of juvenile red squirrels (Tamiasciurus hudsonicus). Evolution 57: 1689-1697. doi: 10.1554/02-393

20. Réale, D., D. Berteaux, A. G. McAdam, and S. Boutin. 2003a. Lifetime selection on heritable life-history traits in a natural population of red squirrels. Evolution 57: 2416-2423. doi: 10.1111/j.0014-3820.2003.tb00253.x

19. Réale, D., A. G. McAdam, S. Boutin, and D. Berteaux. 2003b. Genetic and plastic responses of a northern mammal to climate change. Proceedings of the Royal Society B: Biological Sciences 270: 591-596. doi: 10.1098/rspb.2002.2224

18. Anderson, E. M. and S. Boutin. 2002. Edge effects on survival and behaviour of juvenile red squirrels (Tamiasciurus hudsonicus). Canadian Journal of Zoology 80: 1038-1046. doi: 10.1139/z02-087

17. McAdam, A. G., S. Boutin, D. Réale, and D. Berteaux. 2002. Maternal effects and the potential for evolution in a natural population of animals. Evolution 56: 846-851. doi: 10.1111/j.0014-3820.2002.tb01396.x

16. Boonstra, R., S. Boutin, A. Byrom, T. Karels, A. Hubbs, K. Stuart-Smith, M. Blower, and S. Antpoehler. 2001. The role of red squirrels and arctic ground squirrels. In Ecosystem Dynamics of the Boreal Forest: The Kluane Project. C. J. Krebs, S. Boutin, and R. Boonstra, eds. Oxford University Press, New York.

15. Berteaux, D. and S. Boutin. 2000. Breeding dispersal in female North American red squirrels. Ecology 81: 1311-1326. doi: 10.2307/177210

14. Humphries, M. M. and S. Boutin. 2000. The determinants of optimal litter size in free-ranging red squirrels. Ecology 81: 2867-2877. doi: 10.2307/177347

13. Humphries, M. M. and S. Boutin. 1999. Mass-dependent reproduction or reproduction-dependent mass? A comment on body mass and first-time reproduction in female sciurids. Canadian Journal of Zoology 77: 171-173. doi: 10.1139/z98-186

12. Humphries, M. M. and S. Boutin. 1996. Reproductive demands and mass gains: A paradox in female red squirrels (Tamiasciurus hudsonicus). Journal of Animal Ecology 65: 332-338. doi: 10.2307/5879

11. Boutin, S., C. J. Krebs, R. Boonstra, M. R. T. Dale, S. J. Hannon, K. Martin, and A. R. E. Sinclair. 1995. Population-changes of the vertebrate community during a snowshoe hare cycle in Canada boreal forest. Oikos 74: 69-80. doi: 10.2307/3545676

10. O’Donoghue, M. and S. Boutin. 1995. Does reproductive synchrony affect juvenile survival rates of northern mammals? Oikos 74: 115-121. doi: 10.2307/3545680

9. Stuart-Smith, A. K. and S. Boutin. 1995a. Behavioral-differences between surviving and depredated juvenile red squirrels. Écoscience 2: 34-40. doi: 10.1080/11956860.1995.11682266

8. Stuart-Smith, A. K. and S. Boutin. 1995b. Predation on red squirrels during a snowshoe hare decline. Canadian Journal of Zoology 73: 713-722. doi: 10.1139/z95-083

7. Stuart-Smith, A. K. and S. Boutin. 1994. Costs of escalated territorial defence in red squirrels. Canadian Journal of Zoology 72: 1162-1167. doi: 10.1139/z94-156

6. Boutin, S. and K. W. Larsen. 1993. Does food availability affect growth and survival of males and females differently in a promiscuous small mammal, Tamiasciurus hudsonicus? Journal of Animal Ecology 62: 364-370. doi: 10.2307/5367

5. Boutin, S., Z. Tooze, and K. Price. 1993. Post-breeding dispersal by female red squirrels (Tamiasciurus hudsonicus): the effect of local vacancies. Behavioral Ecology 4: 151-155. doi: 10.1093/beheco/4.2.151

4. Price, K. and S. Boutin. 1993. Territorial bequeathal by red squirrel mothers. Behavioral Ecology 4: 144-150. doi: 10.1093/beheco/4.2.144

3. Price, K., S. Boutin, and R. Ydenberg. 1990. Intensity of territorial defense in red squirrels – an experimental test of the asymmetric war of attrition. Behavioral Ecology and Sociobiology 27: 217-222. doi: 10.1007/BF00180306

2. Boutin, S. and S. Schweiger. 1988. Manipulation of intruder pressure in red squirrels (Tamiasciurus hudsonicus) – Effects on territory size and acquisition. Canadian Journal of Zoology 66: 2270-2274. doi: 10.1139/z88-337

1. Price, K., K. Broughton, S. Boutin, and A. R. E. Sinclair. 1986. Territory size and ownership in red squirrels: response to removals. Canadian Journal of Zoology 64: 1144-1147. doi: 10.1139/z86-172