All Stories

  1. DHEA effects on brain and behavior: Insights from comparative studies of aggression

    Article • The Journal of Steroid Biochemistry and Molecular Biology, January 2015, Elsevier

    Dr Rudy Boonstra, Nikki M Rendon

  2. How Arctic ground squirrels use steroids to bulk up for winter

    Article • Proceedings of the Royal Society B Biological Sciences, November 2014, Royal Society Publishing

    Dr Rudy Boonstra

  3. The dilemma of foraging herbivores: dealing with food and fear

    Article • Oecologia, October 2014, Springer Science + Business Media

    Dr Rudy Boonstra

  4. Impact of high predation risk on genome-wide hippocampal gene expression in snowshoe hares

    Article • Oecologia, September 2014, Springer Science + Business Media

    Dr Rudy Boonstra

  5. Equipped for Life in the Boreal Forest: The Role of the Stress Axis in Mammals

    Article • ARCTIC, February 2014, The Arctic Institute of North America

    Dr Rudy Boonstra

  6. Trophic Dynamics of the Boreal Forests of the Kluane Region

    Article • ARCTIC, January 2014, The Arctic Institute of North America

    Dr Rudy Boonstra

  7. Assessing the impact of live-capture, confinement, and translocation on stress and fate in eastern gray squirrels

    Article • Journal of Mammalogy, December 2013, Oxford University Press (OUP)

    Dr Rudy Boonstra

  8. Synchrony in the snowshoe hare (Lepus americanus) cycle in northwestern North America, 1970–2012

    Article • Canadian Journal of Zoology, August 2013, Canadian Science Publishing

    Dr Rudy Boonstra

  9. Stress Triangle: Do Introduced Predators Exert Indirect Costs on Native Predators and Prey?

    Article • PLoS ONE, April 2013, PLOS

    Dr Rudy Boonstra

  10. The ecology of stress: a marriage of disciplines

    Article • Functional Ecology, January 2013, Wiley

    Dr Rudy Boonstra

  11. Evaluating stress in natural populations of vertebrates: total CORT is not good enough

    Article • Functional Ecology, November 2012, Wiley

    Dr Rudy Boonstra

  12. Reality as the leading cause of stress: rethinking the impact of chronic stress in nature

    Article • Functional Ecology, October 2012, Wiley

    Dr Rudy Boonstra

  13. The benefits of baseline glucocorticoid measurements: Maximal cortisol production under baseline conditions revealed in male Richardon’s ground squirrels (Urocitellus richardsonii)

    Article • General and Comparative Endocrinology, September 2012, Elsevier

    Dr Rudy Boonstra

  14. Noninvasive Monitoring of Fecal Cortisol Metabolites in the Eastern Chipmunk ( Tamias striatus ): Validation and Comparison of Two Enzyme Immunoassays

    Article • Physiological and Biochemical Zoology, March 2012, University of Chicago Press

    Denis REALE, Dr Rudy Boonstra

  15. How does diet affect fecal steroid hormone metabolite concentrations? An experimental examination in red squirrels

    Article • General and Comparative Endocrinology, November 2011, Elsevier

    Dr Rudy Boonstra

  16. Density estimation for small mammals from livetrapping grids: rodents in northern Canada

    Article • Journal of Mammalogy, October 2011, Oxford University Press (OUP)

    Dr Rudy Boonstra

  17. Population dynamics of red-backed voles (Myodes) in North America

    Article • Oecologia, September 2011, Springer Science + Business Media

    Dr Rudy Boonstra

  18. From pattern to purpose: how comparative studies contribute to understanding the function of adult neurogenesis

    Article • European Journal of Neuroscience, September 2011, Wiley

    Dr Rudy Boonstra

  19. Preparing for hibernation in ground squirrels: adrenal androgen production in summer linked to environmental severity in winter

    Article • Functional Ecology, August 2011, Wiley

    Dr Rudy Boonstra

  20. Coping with Intense Reproductive Aggression in Male Arctic Ground Squirrels: The Stress Axis and Its Signature Tell Divergent Stories

    Article • Physiological and Biochemical Zoology, July 2011, University of Chicago Press

    Dr Rudy Boonstra

  21. Measuring stress in wildlife: techniques for quantifying glucocorticoids

    Article • Oecologia, February 2011, Springer Science + Business Media

    Dr Rudy Boonstra

  22. Maternal androgens and behaviour in free-ranging North American red squirrels

    Article • Animal Behaviour, February 2011, Elsevier

    Dr Rudy Boonstra

  23. Multiple measures elucidate glucocorticoid responses to environmental variation in predation threat

    Article • Oecologia, January 2011, Springer Science + Business Media

    Dr Rudy Boonstra

  24. From process to pattern: how fluctuating predation risk impacts the stress axis of snowshoe hares during the 10-year cycle

    Article • Oecologia, January 2011, Springer Science + Business Media

    Dr Rudy Boonstra

  25. Some Like it High: Minimizing Free Glucocorticoid is Not the Only Option

    Article • Frontiers in Endocrinology, January 2011, Frontiers

    Dr Rudy Boonstra

  26. Five ways to skin a cat: An unexpected diversity of stress profiles in five species of ground squirrels

    Article • Frontiers in Endocrinology, January 2011, Frontiers

    Dr Rudy Boonstra

  27. The Neurological Ecology of Fear: Insights Neuroscientists and Ecologists Have to Offer one Another

    Article • Frontiers in Behavioral Neuroscience, January 2011, Frontiers

    Dr Rudy Boonstra

  28. The ghosts of predators past: population cycles and the role of maternal programming under fluctuating predation risk

    Article • Ecology, October 2010, Wiley

    Dr Rudy Boonstra

  29. Indirect predator effects on clutch size and the cost of egg production

    Article • Ecology Letters, July 2010, Wiley

    Dr Rudy Boonstra

  30. Fecal cortisol metabolite levels in free-ranging North American red squirrels: Assay validation and the effects of reproductive condition

    Article • General and Comparative Endocrinology, June 2010, Elsevier

    Dr Rudy Boonstra

  31. Hippocampal neurogenesis in food-storing red squirrels: the impact of age and spatial behavior

    Article • Genes Brain & Behavior, May 2010, Wiley

    Dr Rudy Boonstra

  32. Assessing stress in animal populations: Do fecal and plasma glucocorticoids tell the same story?

    Article • General and Comparative Endocrinology, May 2010, Elsevier

    Dr Rudy Boonstra

  33. Do changes in berry crops drive population fluctuations in small rodents in the southwestern Yukon?

    Article • Journal of Mammalogy, April 2010, Oxford University Press (OUP)

    Dr Rudy Boonstra

  34. The sensitive hare: sublethal effects of predator stress on reproduction in snowshoe hares

    Article • Journal of Animal Ecology, October 2009, Wiley

    Dr Rudy Boonstra

  35. Common Dynamic Structure of Canada Lynx Populations Within Three Climatic Regions

    Article • September 2009, World Scientific Pub Co Pte Lt

    Dr Rudy Boonstra

  36. Assessment of the Stress Response in Columbian Ground Squirrels: Laboratory and Field Validation of an Enzyme Immunoassay for Fecal Cortisol Metabolites

    Article • Physiological and Biochemical Zoology, May 2009, University of Chicago Press

    Dr Rudy Boonstra

  37. Impact of live trapping on stress profiles of Richardson’s ground squirrel (Spermophilus richardsonii)

    Article • General and Comparative Endocrinology, January 2009, Elsevier

    Dr Rudy Boonstra

  38. A non-invasive technique for analyzing fecal cortisol metabolites in snowshoe hares (Lepus americanus)

    Article • Journal of Comparative Physiology B, November 2008, Springer Science + Business Media

    Dr Rudy Boonstra

  39. Plasma DHEA levels in wild, territorial red squirrels: Seasonal variation and effect of ACTH

    Article • General and Comparative Endocrinology, August 2008, Elsevier

    Dr Rudy Boonstra

  40. Population limitation of the northern red‐backed vole in the boreal forests of northern Canada

    Article • Journal of Animal Ecology, September 2006, Wiley

    Dr Rudy Boonstra

  41. Overwinter mass loss of snowshoe hares in the Yukon: starvation, stress, adaptation or artefact?

    Article • Journal of Animal Ecology, October 2005, Wiley

    Dr Rudy Boonstra

  42. Preparing for winter: Divergence in the summer–autumn hematological profiles from representative species of the squirrel family

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, September 2005, Elsevier

    Dr Rudy Boonstra

  43. EQUIPPED FOR LIFE: THE ADAPTIVE ROLE OF THE STRESS AXIS IN MALE MAMMALS

    Article • Journal of Mammalogy, April 2005, Oxford University Press (OUP)

    Dr Rudy Boonstra

  44. Hormetic effects of gamma radiation on the stress axis of natural populations of meadow voles (Microtus pennsylvanicus)

    Article • Environmental Toxicology and Chemistry, February 2005, Wiley

    Dr Rudy Boonstra

  45. Being high is better: effects of elevation and habitat on arctic ground squirrel demography

    Article • Oikos, December 2004, Wiley

    Dr Rudy Boonstra

  46. Age determination in yellow-pine chipmunks (Tamias amoenus): a comparison of eye lens masses and bone sections

    Article • Canadian Journal of Zoology, October 2003, Canadian Science Publishing

    Dr Rudy Boonstra

  47. Demography of short‐tailed shrew populations living on polychlorinated biphenyl—contaminated sites

    Article • Environmental Toxicology and Chemistry, June 2003, Wiley

    Dr Rudy Boonstra

  48. DEMOGRAPHY OF SHORT-TAILED SHREW POPULATIONS LIVING ON POLYCHLORINATED BIPHENYL–CONTAMINATED SITES

    Article • Environmental Toxicology and Chemistry, January 2003, Wiley

    Dr Rudy Boonstra

  49. Reducing Solar Heat Gain during Winter: The Role of White Bark in Northern Deciduous Trees

    Article • ARCTIC, January 2003, The Arctic Institute of North America

    Dr Rudy Boonstra

  50. Population Cycles in Ecosystem Context

    Article • Ecology, July 2002, Wiley

    Dr Rudy Boonstra

  51. Mechanisms for delayed density‐dependent reproductive traits in field voles, Microtus agrestis: the importance of inherited environmental effects

    Article • Oikos, November 2001, Wiley

    Dr Rudy Boonstra

  52. REPRODUCTION AT ALL COSTS: THE ADAPTIVE STRESS RESPONSE OF MALE ARCTIC GROUND SQUIRRELS

    Article • Ecology, July 2001, Wiley

    Dr Rudy Boonstra

  53. What Drives the 10-year Cycle of Snowshoe Hares?

    Article • BioScience, January 2001, Oxford University Press (OUP)

    Dr Rudy Boonstra

  54. Estimating snowshoe hare population density from pellet plots: a further evaluation

    Article • Canadian Journal of Zoology, January 2001, Canadian Science Publishing

    Dr Rudy Boonstra

  55. Seasonal changes in glucocorticoid and testosterone concentrations in free-living arctic ground squirrels from the boreal forest of the Yukon

    Article • Canadian Journal of Zoology, January 2001, Canadian Science Publishing

    Dr Rudy Boonstra

  56. Experimental manipulation of predation and food supply of arctic ground squirrels in the boreal forest

    Article • Canadian Journal of Zoology, August 2000, Canadian Science Publishing

    Dr Rudy Boonstra

  57. The best in all possible worlds? A quantitative genetic study of geographic variation in the meadow vole, Microtus pennsylvanicus

    Article • Oikos, April 2000, Wiley

    Dr Rudy Boonstra

  58. Contrasting stress response of male Arctic ground squirrels and red squirrels

    Article • The Journal of Experimental Zoology, March 2000, Wiley

    Dr Rudy Boonstra

  59. Contrasting stress response of male Arctic ground squirrels and red squirrels

    Article • The Journal of Experimental Zoology, March 2000, Wiley

    Dr Rudy Boonstra

  60. The interactive effects of food and predators on reproduction and overwinter survival of arctic ground squirrels

    Article • Journal of Animal Ecology, March 2000, Wiley

    Dr Rudy Boonstra

  61. Indices of Population Size for Burrowing Mammals

    Article • The Journal of Wildlife Management, January 2000, JSTOR

    Dr Rudy Boonstra

  62. THE IMPACT OF PREDATOR-INDUCED STRESS ON THE SNOWSHOE HARE CYCLE

    Article • Ecological Monographs, August 1998, Wiley

    Dr Rudy Boonstra

  63. POPULATION CYCLES IN SMALL MAMMALS: THE PROBLEM OF EXPLAINING THE LOW PHASE

    Article • Ecology, July 1998, Wiley

    Dr Rudy Boonstra

  64. Effects of food and predators on the home-range sizes of Arctic ground squirrel (Spermophilus parryii)

    Article • Canadian Journal of Zoology, March 1998, Canadian Science Publishing

    Dr Rudy Boonstra

  65. Effects of food and predators on the home-range sizes of Arctic ground squirrel (<i>Spermophilus</i> <i>parryii</i>)

    Article • Canadian Journal of Zoology, January 1998, Canadian Science Publishing

    Dr Rudy Boonstra

  66. Population Limitation in Arctic Ground Squirrels: Effects of Food and Predation

    Article • Journal of Animal Ecology, July 1997, JSTOR

    Dr Rudy Boonstra

  67. Why lemmings have indoor plumbing in summer

    Article • Canadian Journal of Zoology, October 1996, Canadian Science Publishing

    Dr Rudy Boonstra

  68. Can Changes in Social Behaviour Help to Explain House Mouse Plagues in Australia?

    Article • Oikos, September 1995, JSTOR

    Dr Rudy Boonstra

  69. Northern Hawk-Owls in the Nearctic Boreal Forest: Prey Selection and Population Consequences of Multiple Prey Cycles

    Article • Ornithological Applications, February 1995, JSTOR

    Dr Rudy Boonstra

  70. Population dynamics of the collared lemming and the tundra vole at Pearce Point, Northwest Territories, Canada

    Article • Oecologia, January 1995, Springer Science + Business Media

    Dr Rudy Boonstra

  71. Heterozygosity, Aggression, and Population Fluctuations in Meadow Voles (Microtus pennsylvanicus)

    Article • Evolution, August 1994, JSTOR

    Dr Rudy Boonstra

  72. Mating system of the meadow vole, Microtus pennsylvanicus

    Article • Behavioral Ecology, January 1993, Oxford University Press (OUP)

    Dr Rudy Boonstra, Prof. Xuhua Xia

  73. Chromosomal and mitochondrial DNA variation in four laboratory populations of collared lemmings (Dicrostonyx)

    Article • Canadian Journal of Zoology, January 1993, Canadian Science Publishing

    Dr Rudy Boonstra

  74. Measuring Temporal Variability of Population Density: A Critique

    Article • The American Naturalist, November 1992, University of Chicago Press

    Dr Rudy Boonstra, Prof. Xuhua Xia

  75. Breeding performance in captivity of meadow voles (Microtus pennsylvanicus) from decline- and increase-phase populations

    Article • Canadian Journal of Zoology, August 1992, Canadian Science Publishing

    Dr Rudy Boonstra

  76. What Drives the Snowshoe Hare Cycle in Canada’s Yukon?

    Article • January 1992, Springer Science + Business Media

    Dr Rudy Boonstra

  77. Highly polymorphic genetic markers in meadow voles (Microtus pennsylvanicus) revealed by a murine major histocompatibility complex (MHC) probe

    Article • Canadian Journal of Zoology, January 1991, Canadian Science Publishing

    Dr Rudy Boonstra

  78. Arctic ground squirrel predation on collared lemmings

    Article • Canadian Journal of Zoology, April 1990, Canadian Science Publishing

    Dr Rudy Boonstra

  79. Response of the Eastern Chipmunk, Tamias Striatus, to Sex Ratio Manipulations

    Article • Oikos, May 1989, JSTOR

    Dr Rudy Boonstra

  80. Life History Variation in Maturation in Fluctuating Meadow Vole Populations (Microtus Pennsylvanicus)

    Article • Oikos, March 1989, JSTOR

    Dr Rudy Boonstra

  81. Friends and strangers: a test of the Charnov-Finerty Hypothesis

    Article • Oecologia, October 1988, Springer Science + Business Media

    Dr Rudy Boonstra

  82. Effects of Adult Meadow Voles, Microtus pennsylvanicus, on Young Conspecifics in Field Populations

    Article • Journal of Animal Ecology, October 1988, JSTOR

    Dr Rudy Boonstra

  83. Similarity of Residence Times Among Microtus Littermates: Importance of Sex and Maturation

    Article • Ecology, August 1988, Wiley

    Dr Rudy Boonstra

  84. A Test of the Chitty Hypothesis: Inheritance of Life-History Traits in Meadow Voles Microtus pennsylvanicus

    Article • Evolution, September 1987, JSTOR

    Dr Rudy Boonstra

  85. Myiasis by Wohlfahrtia vigil in Nestling Microtus pennsylvanicus

    Article • Journal of Wildlife Diseases, October 1986, Wildlife Disease Association

    Dr Rudy Boonstra

  86. Rarity and Coexistence of a Small Hibernator, Zapus hudsonius, with Fluctuating Populations of Microtus pennsylvanicus in the Grasslands of Southern Ontario

    Article • Journal of Animal Ecology, October 1986, JSTOR

    Dr Rudy Boonstra

  87. Natal nest location and small mammal tracking with a spool and line technique

    Article • Canadian Journal of Zoology, April 1986, Canadian Science Publishing

    Dr Rudy Boonstra

  88. Demography of Microtus pennsylvanicus in Southern Ontario: enumeration versus Jolly–Seber estimation compared

    Article • Canadian Journal of Zoology, May 1985, Canadian Science Publishing

    Dr Rudy Boonstra

  89. The effects of toe clipping on the survival of the meadow vole (Microtus pennsylvanicus)

    Article • Canadian Journal of Zoology, March 1985, Canadian Science Publishing

    Dr Rudy Boonstra

  90. Trappability estimates for mark–recapture data

    Article • Canadian Journal of Zoology, December 1984, Canadian Science Publishing

    Dr Rudy Boonstra

  91. A technique for the surgical removal of a kidney from individuals of a feral population of small rodents

    Article • Canadian Journal of Zoology, November 1984, Canadian Science Publishing

    Dr Rudy Boonstra

  92. The spring decline in the meadow vole, Microtus pennsylvanicus: the effect of density

    Article • Canadian Journal of Zoology, August 1984, Canadian Science Publishing

    Dr Rudy Boonstra

  93. Efficiency of pitfalls versus live traps in enumeration of populations of Microtus pennsylvanicus

    Article • Canadian Journal of Zoology, May 1984, Canadian Science Publishing

    Dr Rudy Boonstra

  94. Aggressive behavior of adult meadow voles (Microtus pennsylvanicus) towards young

    Article • Oecologia, April 1984, Springer Science + Business Media

    Dr Rudy Boonstra

  95. Regulation of Breeding Density in Microtus pennsylvanicus

    Article • Journal of Animal Ecology, October 1983, JSTOR

    Dr Rudy Boonstra

  96. Another Potential Bias in the Use of the Longworth Trap

    Article • Journal of Mammalogy, November 1982, Oxford University Press (OUP)

    Dr Rudy Boonstra

  97. Response of Microtus pennsylvanicus to multiple-capture traps

    Article • Canadian Journal of Zoology, November 1982, Canadian Science Publishing

    Dr Rudy Boonstra

  98. Effect of Blarina brevicauda on trap response of Microtus pennsylvanicus

    Article • Canadian Journal of Zoology, March 1982, Canadian Science Publishing

    Dr Rudy Boonstra

  99. Biosocial Mechanisms of Population Regulation Mark Nathan Cohen Roy S. Malpass Harold G. Klein

    Article • The Quarterly Review of Biology, June 1981, University of Chicago Press

    Dr Rudy Boonstra

  100. Impact of botfly parasitism on Microtus townsendii populations

    Article • Canadian Journal of Zoology, September 1980, Canadian Science Publishing

    Dr Rudy Boonstra

  101. Infanticide in microtines: Importance in natural populations

    Article • Oecologia, January 1980, Springer Science + Business Media

    Dr Rudy Boonstra

  102. Viability of Large‐ and Small‐Sized Adults in Fluctuating Vole Populations

    Article • Ecology, June 1979, Wiley

    Dr Rudy Boonstra

  103. Some aspects of reproduction in the vole Microtus townsendii

    Article • Canadian Journal of Zoology, January 1979, Canadian Science Publishing

    Dr Rudy Boonstra

  104. Demography of the Spring Decline in Populations of the Vole, Microtus townsendii

    Article • Journal of Animal Ecology, October 1978, JSTOR

    Dr Rudy Boonstra

  105. Effect of Adult Townsend Voles (Microtus Townsendii) on Survival of Young

    Article • Ecology, March 1978, Wiley

    Dr Rudy Boonstra

  106. Pitfall Trapping of Microtus townsendii

    Article • Journal of Mammalogy, February 1978, Oxford University Press (OUP)

    Dr Rudy Boonstra

  107. Predation on Microtus townsendii populations: impact and vulnerability

    Article • Canadian Journal of Zoology, October 1977, Canadian Science Publishing

    Dr Rudy Boonstra

  108. Effect of Conspecifics on Survival During Population Declines in Microtus townsendii

    Article • Journal of Animal Ecology, October 1977, JSTOR

    Dr Rudy Boonstra

  109. A fencing experiment on a high-density population of Microtus townsendii

    Article • Canadian Journal of Zoology, July 1977, Canadian Science Publishing

    Dr Rudy Boonstra

  110. Effect of the parasite Wohlfahrtia vigil on Microtus townsendii populations

    Article • Canadian Journal of Zoology, June 1977, Canadian Science Publishing

    Dr Rudy Boonstra

  111. The effect of odour on trap response in Microtus townsendii

    Article • Journal of Zoology, December 1976, Wiley

    Dr Rudy Boonstra

  112. The role of the lynx–hare cycle in boreal forest community dynamics

    Article • Cambridge University Press

    Dr Rudy Boonstra