Northern Prairie Wildlife Research Center
Allen, S. H. 1974. Modified techniques for aging red fox using canine teeth. Journal of Wildlife Management 38:152-154. Ballard, W. B., G. M. Matson, and P. R. Krausman. 1995. Comparison of two methods to age gray wolf teeth. Pages 455-460 in L. N. Carbyn, S. H. Fritts, and D. R. Seip, editors. Ecology and conservation of wolves in a changing world. Canadian Circumpolar Institute, Occasional Publication 35. _____, J. S. Whitman, and C. L. Gardner. 1987. Ecology of an exploited wolf population in south-central Alaska. Wildlife Monographs 98. Bowen, W. O. 1982. Determining the age of coyotes, Canis latrans, by tooth sections and tooth wear patterns. Canadian Field-Naturalist 96:339-341. Campana, S. E., M. C. Annand, and J. I. McMillan. 1995. Graphical and statistical methods for determining the consistency of age determinations. Transactions of the American Fisheries Society 124:131-138. Dimmick, R. W., and M. R. Pelton. 1994. Criteria of sex and age. Pages 169- 214 in T. A. Bookout, editor. Research and management techniques for wildlife and habitats. The Wildlife Society, Bethesda, Maryland, USA. Fuller, R. K., and L. B. Keith. 1980. Wolf population dynamics and prey relationships in northeastern Alberta. Journal of Wildlife Management 44:583-602. Gier, H. T. 1957. Coyotes in Kansas. Agriculture Experiment Station, Kansas State University, Manhattan, Kansas, USA. Gipson, P. S., and W. B. Ballard. 1998. Accounts of famous North American wolves, Canis lupus. Canadian Field-Naturalist 112:724-739. _____, _____, and R. M. Nowak. 1998. Famous North American wolves and the credibility of early wildlife literature. Wildlife Society Bulletin 26: 808-816. Goodwin, E. A., and W. B. Ballard. 1985. Use of tooth cementum for age determination of gray wolves. Journal of Wildlife Management 49:313-316. Harshyne, W. A., D. R. Diefenbach, G. L. Alt, and G. M. Matson. 1998. Analysis of error from cementum-annuli age estimates of known-age Pennsylvania black bears. Journal of Wildlife Management 62:1281-1291. Landon, D. B., C. A. Waite, R. O. Peterson, and L. D. Mech. 1998. Evaluation of age determination techniques for gray wolves. Journal of Wildlife Management 62:674-682. Linhart, S. B., and F. F. Knowlton. 1967. Determining age of coyotes by tooth cementum layers. Journal of Wildlife Management 31:362-365. Mech, L. D. 1970. The wolf: the ecology and behavior of an endangered species. Natural History Press, Garden City, New York, USA. _____. 1988. Longevity in wild wolves. Journal of Mammalogy 69:197-198.