Human dimensions of Christmas bird counts: implications for nonconsumptive wildlife recreation programs.

Tucson, Arizona: derivation, structure, regulation. Condor 76:184-197. GEORGE, W. G. 1974. Domestic cats as predators and factors in winter shortages of raptor prey. Wilson Bull. 86:384-396. , AND M. GEORGE. 1979. Population densities and ownership patterns of preying cats in rural America. Carnivore Genet. Newsl. 3:317-324. HOLLER, N. R., D. W. MASON, R. M. DAWSON, T. SIMONS, AND M. C. WOOTEN. 1989. Reestablishment of the Perdido Key beach mouse (Peromyscus polionotus trissyllepsis) on Gulf Islands National Seashore. Conserv. Biol. 3:397-404. HUBBS, E. L. 1951. Food habits of feral house cats in the Sacramento Valley. Calif. Fish and Game 37: 177-189. HUMPHREY, S. R., AND D. B. BARBOUR. 1981. Status and habitat of three subspecies of Peromyscus polionotus in Florida. J. Mammal. 62:840-844. JONES, E., AND B. J. COMAN. 1981. Ecology of the feral cat, Felis catus (L.), in south-eastern Australia. I. Diet. Aust. Wildl. Res. 8:537-547. KALTON, G. 1983. Introduction to survey sampling. Sage Publ., Newbury Park, Calif. 96pp. LIBERG, 0. 1984. Food habits and prey impact by feral and house-based domestic cats in a rural area in southern Sweden. J. Mammal. 65:424-432. NASSAR, R., AND J. MOSIER. 1991. Projections of pet populations from census demographic data. J. Am. Vet. Med. Assoc. 198:1,157-1,159. PARMALEE, P. W. 1953. Food habits of the feral house cat in east-central Texas. J. Wildl. Manage. 17: 375-376. PET FOOD INSTITUTE. 1982. Pet food information fact sheet. Pet Food Inst., Washington, D.C. 16pp. POLSKY, R. H. 1975. Hunger, prey feeding, and predatory aggression. Behav. Biol. 13:81-93. ROWAN, A. N. 1991. What we need to learn from epidemiologic surveys pertaining to pet overpopulation. J. Am. Vet. Med. Assoc. 198:1,233-1,236. SAS INSTITUTE INC. 1987. SAS/STAT guide for personal computers. Version 6 ed. SAS Inst. Inc., Cary, N.C. 1,028pp. SCOTT, T. A., AND M. L. MORRISON. 1990. Natural history and management of the San Clemente loggerhead shrike. Proc. West. Found. Vert. Biol. 4:2357. TRIGGS, B., H. BRUNNER, AND J. M. CULLEN. 1984. The food of fox, dog, and cat in Croajingalong National Park, south-eastern Victoria. Aust. Wildl. Res. 11: 491-499. U.S. DEPARTMENT OF COMMERCE, BUREAU OF CENSUS. 1982. 1980 Census of Agriculture. Vol. 1. Geographic area series. Part 49, Wisconsin state and county data. U.S. Gov. Printing Off., Washington, D.C. 620pp. WARNER, R. E. 1985. Demography and movements of free-ranging domestic cats in rural Illinois. J. Wildl. Manage. 49:340-346. WISCONSIN AGRICULTURAL STATISTICS SERVICE. 1988. Wisconsin 1988 agricultural statistics. Wis. Dep. Agric., Madison. 99pp. ZAR, J. H. 1984. Biostatistical analysis. Prentice-Hall Inc., Englewood Cliffs, N.J. 718pp.