———. 1994. Population cycles in microtines: The senescence
hypothesis. Evolutionary Ecology8 : 196 –219.
———. 2005. Equipped for life: The adaptive role of the stress
axis in male mammals. Journal of Mammalogy86 : 236 – 47.
Boonstra, R., and P. T. Boag. 1992. Spring declines in Microtus
pennsylvanicusand the role of steroid hormones. Journal of
Animal Ecology61 : 339 –52.
Boonstra, R., L. Galea, S. Matthews, and J. M. Wojtowicz. 2001a.
Adult neurogenesis in natural populations.Canadian Journal
of Physiological Pharmacology79 : 297–302.
Boonstra, R., B. S. Gilbert, and C. J. Krebs. 1993. Mating sys-
tems and sexual dimorphism in mass in microtines. Journal of
Mammalogy74 : 224 –29.
Boonstra, R., D. Hik, G. R. Singleton, and A. Tinnikov. 1998.
The impact of predator-induced stress on the snowshoe hare
cycle. Ecological Monographs68 : 371– 94.
Boonstra, R., and I. Hogg. 1988. Friends and strangers: A test of
the Charnov-Finerty hypothesis. Oecologia77 : 95 –100.
Boonstra, R., A. H. Hubbs, E. A. Lacey, and C. J. McColl.
2001b. Seasonal changes in glucocorticoids and testosterone
in free-living arctic ground squirrels from the boreal forest of
the Yukon. Canadian Journal of Zoology79 : 49 –58.
Boonstra, R., and C. J. Krebs. 1977. A fencing experiment on a
high-density population of Microtus townsendii. Canadian
Journal of Zoology55 : 1166 –75.
Boonstra, R., C. J. Krebs, M. S. Gaines, M. L. Johnson, and
I. M. T. Craine. 1987. Natal philopatry and breeding systems
in Microtus. Journal of Animal Ecology56 : 655 –73.
Boonstra, R., C. J. Krebs, and A. Kenney. 1996. Why lemmings
have indoor plumbing in summer. Canadian Journal of Zool-
ogy74 : 1947– 49.
Boonstra, R., and C. J. McColl. 2000. Contrasting stress re-
sponse of male arctic ground squirrels and red squirrels. Jour-
nal of Experimental Zoology286 : 390 – 404.
Boonstra, R., C. J. McColl, and T. J. Karels. 2001c. Reproduc-
tion at all costs: The adaptive stress response of male arctic
ground squirrels. Ecology82 : 1930 – 46.
Boonstra, R., and F. H. Rodd. 1983. Regulation of breeding den-
sity in Microtus pennsylvanicus. Journal of Animal Ecology
52 : 757– 80.
Boonstra, R., X. Xia, and L. Pavone. 1993. Mating system of the
meadow vole, Microtus pennsylvanicus. Behavioral Ecology
4 : 83 – 89.
Bosakowski, T., and D. G. Smith. 1992. Comparative diets of
sympatric nesting raptors in the eastern deciduous forest
biome. Canadian Journal of Zoology70 : 984 – 92.
Boswell, T., S. C. Woods, and G. J. Kenagy, 1994. Seasonal
changes in body mass, insulin, and glucocorticoids of free-
living golden-mantled ground squirrels. General and Compar-
ative Endocrinology96 : 339 – 46.
Boursot, P., J.-C. Auffray, J. Britton-Davidson, and F. Bonhomme.
- The evolution of house mice.Annual Review of Ecology
and Systematics24 : 119 –52.
Bouskila, A. 1995. Interactions between predation risk and com-
petition: A field study of kangoroo rats and snakes. Ecology
76 : 165 –78.
Boutin, S. 1990. Food supplementation experiments with terres-
trial vertebrates: patterns, problems, and the future. Canadian
Journal of Zoology68 : 203 –20.
Boutin, S., and K. W. Larsen. 1993. Does food availability affect
growth and survival of males and females differently in a pro-
miscuous small mammal, Tamiasciurus hudsonicus. Journal
of Animal Ecology62 : 364 –70.
Bowers, J. M., and B. K. Alexander. 1967. Mice: Individual
recognition by olfactory cues. Science158 : 1208 –10.
Bowers, M. A., and J. L. Dooley, Jr. 1999. EMS studies at the in-
dividual, patch, and landscape scale: Designing landscapes to
measure scale-specific responses to habitat fragmentation. In
Landscape ecology of small mammals,ed. G. W. Barrett and
J. D. Peles, 147–74. New York: Springer-Verlag.
Bowers, M. A., J. L. Jefferson, and M. G. Kuebler. 1993. Varia-
tion in giving-up densities of foraging chipmunks (Tamias
striatus) and squirrels (Sciurus carolinensis). Oikos66 : 229 –
36.
Bowler, C. M., B. S. Cushing, and C. S. Carter. 2002. Social fac-
tors regulate female-female aggression and affiliation in prai-
rie voles. Physiology and Behavior76 : 559 – 66.
Bowman, J. C., M. Edwards, L. S. Sheppard, and G. J. Forbes.
- Record distance for a non-homing movement by a deer
mouse, Peromyscus maniculatus. Canadian Field-Naturalist
113 : 292 – 93.
Boyd, S. K., and A. R. Blaustein. 1985. Familiarity and inbreed-
ing avoidance in the gray-tailed vole (Microtus canicaudus).
Journal of Mammalogy66 : 348 –52.
Boyeskorov, G. G., M. V. Shchelchkova, and V. N. Vasiliev. - Divergence in Marmota camtschatica. In Biodiversity
in marmots,ed. M. Le Berre, R. Ramousse, and L. Le Guelte,
229 –30. Lyon: International Network on Marmots.
Boyse, E. A., G. K. Beauchamp, K. Yamazaki, and J. Bard. 1991.
Genetic components of kin recognition in mammals. In Kin
recognition,ed. P. G. Hepper, 148 – 61. Cambridge: Cam-
bridge University Press.
Bozinovic, F. 1995. Nutritional energetics and digestive re-
sponses of an herbivorous rodent (Octodon degus) to dif-
ferent levels of dietary fiber. Journal of Mammalogy76 :
627–37.
———. 1997. Diet selection in rodents: An experimental test of
the effect of dietary fiber and tannins on feeding behavior.
Revista Chilena de Historia Natural70 : 67–71.
Bozinovic, F., and H. Torres-Contreras. 1998. Does digestion
rate affect diet selection? A study in Octodon degus,a gener-
alist herbivorous rodent. Acta Theriologica43 : 205 –12.
Bradbury, J. W., and S. L. Vehrencamp. 1976. Social organiza-
tion and foraging in emballonurid bats. II. A model for the
determination of group size. Behavioral Ecology and Socio-
biology2 : 383 – 404.
———. 1998. Principles of animal communication.Sunderland,
MA: Sinauer.
Bradley, A. J. 2003. Stress, hormones, and mortality in small car-
nivorous marsupials. In Predators with pouches: The biology
of carnivorous marsupials,ed. M. Jones, C. Dickman, and
M. Archer, 250 – 63. Sydney: CSIRO Press.
Bradley, R. D., C. W. Edwards, D. S. Carroll, and C. W. Kil-
patrick. 2004. Phylogenetic relationships of neotomine-
peromyscine rodents: Based on DNA sequences from the
mitochondrial cytochrome-bgene. Journal of Mammalogy
85 : 389 – 95.
Bradt, G. W. 1938. A study of beaver colonies in Michigan. Jour-
nal of Mammalogy19 : 139 – 62.
Brady, C. A., and G. E. Svendsen. 1981. Social behaviour in a
family of beaver, Castor canadensis. Biological Behaviour
65 : 99 –114.
Brady, K.M., and K. B. Armitage. 1999. Scent-marking in the
yellow-bellied marmot (Marmota flaviventris). Ethology,
Ecology and Evolution11 : 35 – 47.
Brain, P. F., M. H. Homady, and M. Mainardi. 1983. Preputial
References 501