Barr, J. F. 1973. Feeding biology of the common loon (GAVIA IMMER) in oligotrophic lakes of the Canadian shield. University of Guelph, Guelph, Ontario, Canada. Ph.D. dissertation.

Lester, L. A. 1973. An analysis of intraspecific variation in the chisel-toothed kangaroo rat, Dipodomys microps. M.A. thesis, California State Univ., Long Beach. 134 pp.

Brown, W. H. 1973. Winter population trends in the Marsh, Cooper's and sharp-shinned hawks. American Birds 27:6-7.

Ballinger, R. E. 1973. Comparative demography of two viviparous iguanid lizards (Sceloporus jarrovi and Sceloporus poinsettii). Ecology 54:269-283.

Jester, D. B. 1973. Variations in catchability of fishes with color of gill nets. Transactions American Fisheries Society. 102:109-15.

Emmel, T.C. and J.F. Emmel. 1973. The Butterflies of Southern California. Natural History Museum of Los Angeles County, Science Series 26, 148 pages.

Snyder, N.F.R., H.A. Snyder, J.L. Lincer, and R.T. Reynolds. 1973. Organochlorines, heavy metals, and the biology of North American accipiters. BioScience 23:300-305.

Christiansen, J. L., and E. O. Moll. 1973. Latitudinal reproductive variation in a single subspecies of painted turtle, Chrysemys picta bellii. Herpetologica 29:152-163.

O'Farrell, M. J., and E. H. Studier. 1973. Reproduction, growth, and development in MYOTIS THYSANODES and M. LUCIFUGUS (Chiroptera: Vespertilionidae). Ecology 54:18-30.

Beqeuart, J.C. and W.B. Miller, 1973. The mollusks of the arid southwest with an Arizona checklist. Tucson: University of Az Press. 271 pp.

Wood, M. 1973a. Birds of Pennsylvania. Pennsylvania State University, College of Agriculture, University Park.

Johnsgard, P. A. 1973. Grouse and quails of North America. University of Nebraska, Lincoln. 553 pp.

Isleib, M.E., and B. Kessel. 1973. Birds of the North Gulf Coast-Prince William Sound Region, Alaska. Biological Papers of the University of Alaska, Number 14, Fairbanks.

Braun, C. E. 1973. Distribution and habits of band-tailed pigeon in Colorado. Proceedings of the Western Association of State Game and Fish Commissions 53:336-344.

Kirsch, L. M., A. T. Kiett, and H. W. Miller. 1973. Land use and prairie grouse population relationships in North Dakota. Journal of Wildlife Management 37:449-453.

Henny, C. J., et al. 1973. Territorial behavior, pesticides and the population ecology of red-shoulder hawks in central Maryland, 1943-1971. Ecology 54:545-554.

Thompson, C. F., and V. Nolan, Jr. 1973. Population biology of the yellow-breasted chat (ICTERIA VIRENS L.) in southern Indiana. Ecolog. Monogr. 43:145-171.

Baker, M.C., E.A.M. Baker. 1973. Niche relationships among six species of shorebirds on their wintering and breeding grounds. Ecol. Mono. 43:193-212.

Keenlyne, K. D., and J. R. Beer. 1973. Food habits of Sistrurus catenatus catenatus. Journal of Herpetology 7:382-384.

Porter, R. D. and C. M. White. 1973. Peregrine Falcon in Utah, emphasizing ecology and competition with the Prairie Falcon. Brigham Young University Science Bulletin, Biol. Series 18:1-74.

Sanderson, G. C., and H. C. Shultz. 1973. Wild turkey management. Missouri [Dept. of Conservation?]. 355 pp.

Moyle, P.B. 1973. Inland fishes of California. University of California Press, Berkeley.

James, R. D. 1973. Ethological and ecological relationships of yellow-throated and solitary vireos (Aves: Vireonidae) in Ontario. Ph.D. thesis, Department of Zoology, University of Toronto, Toronto, Ontario, Canada.

Brasch, J., J. McFaden, and S. Kmiotek. 1973. Brook trout, life history, ecology, and management. Wisconsin Department of Natural Resources Publication 226-73.15 pp.

Landreth, H. F. 1992. Orientation and behavior of the rattlesnake, Crotalus atrox. Copeia 1973:26-31.

Jehl, J. R., Jr. 1973. Breeding biology and systematic relationships of the stilt sandpiper. Wilson Bulletin 85:115-147.

Twibell, J. 1973. The ecology of rodents in the Tonga Islands. Pacific Sci. 27:92-98.

Barash, D. P. 1973a. Social variety in the yellow-bellied marmot (Marmota flaviventris). Animal Behavior 21:570-84.

Kushlan, J. A. 1973. Least bittern nesting colonially. Auk 90:685-686.

Schmidly, D.J. 1973. The systematic status of Peromyscus comanche. Southwestern Nat., 18:269-278.

Scott, W. B., and E. J. Crossman. 1973. Freshwater fishes of Canada. Fisheries Research Board of Canada, Bulletin 184. 966 pp.

Poelker, R. J., and H. D. Hartwell. 1973. Black bear of Washington. Washington State Game Department Biol. Bulletin No. 14, viii + 180 pp.

LaVal, R.K. 1973a. Observations on the biology of Tadarida brasiliensis cynocgshala in southeastern Louisiana. Am. Midl. Nat. 89:112-20.

Jester, D. B. 1973. Life history, ecology, and management of the smallmouth buffalo, Ictiobus bubalus, (Rafinesque), with reference to Elephant Butte Lake. New Mexico State University Agricultural Experiment Station Research Report No. 261. 111 pp.

Vermeer, K. 1973b. Some aspects of the nesting requirements of Common Loons in Alberta. Wilson Bulletin 85:429-435.

Mayhew, J. 1973. Variations in the catch success of channel catfish and carp in baited hoop nets. Proceedings Iowa Academy of Sciences. 80:136-9.

Schneberger, E. 1973. Rock bass, life history, ecology, and management. Wisconsin Department Natural Resources 16 pp.

Seidensticker, J. C., IV, M. C. Hornocker, W. V. Wiles, and J. P. Messick. 1973. Mountain lion social organization in the Idaho Primitive Area. Wildlife Monogr. 35:1-60.

Long, C. A. 1973. Taxidea taxus. American Society of Mammalogy, Mammalian Species No. 26. 4 pp.

Ligon, J. D. 1973. Foraging behavior of the white-headed woodpecker in Idaho. Auk 90:862-869.

Webb, R. G. 1973. Trionyx muticus. Cat. Am. Amph. Rep. 139.1-139.2.

Maza, B. G., N. R. French, and A. P. Aschwanden. 1973. Home range dynamics in a population of heteromyid rodents. Journal of Mammalogy 54:405-425.

Scudday, J. R. 1973. A new species of lizard of the Cnemidophorus tesselatus group from Texas. Journal of Herpetology 7:363-371.

Snow, C. 1973. Habitat management series for unique or endangered species, Report No. 7, Golden Eagle, AQUILA CHRYSAETOS. Bureau of Land Management, U.S. Dept. of Int., Technical Note, T-N-239, Denver.

Rickett, H. W. 1973. Wild flowers of the United States: Vol. 6 (3 parts). The central mountains and plains. McGraw-Hill Book Company, New York. 784 pp. + plates.

Maestrelli, J. R. 1973. Propagation of barn owl in captivity. Auk 90:426-8.

Martin, D. J. 1973. Burrow digging by barn owls. Bird-Banding 42:59-60.

Weller, M. W., and L. H. Frederickson. 1973. Avian ecology of a managed glacial marsh. The Living Bird 12:269-291.

Queal, L. 1973. Fire-tool or tyrant. Kansas Game and Fish 30(1):7-9.

Walkinshaw, L. H. 1973. Cranes of the world. Winchester Press, New York.

Miller, R. R., and J. E. Deacon. 1973. New localities of the rare Warm Springs pupfish, CYPRINODON NEVADENSIS PECTORALIS, from Ash Meadows, Nevada. Copeia 1973:137-140.

Morse, D. H. 1973. The foraging of small populations of yellow warblers and American redstarts. Ecology 54:346-55.

Weydemeyer, W. 1973. Singing habitats of Traill's flycatcher in northwestern Montana. Wilson Bull. 85(3):276-282.

Tanner, W. W., and J. E. Krogh. 1973. Ecology of Phrynosoma platyrhinos at the Nevada Test Site, Nye County, Nevada. Herpetologica 29:327-342.

Tanyolac, J. 1973. Morphometric variation and life history of the cyprinid fish, Notropis stramineus (Cope). Occasional Papers of the Museum of Natural History, University of Kansas 12, 28 pp.

Moll, E. O. 1973. Latitudinal and intersubspecific variation in reproduction of the painted turtle, Chrysemys picta. Herpetologica 29:307-318.

Moshenko, R.W. and J.H. Gee. 1973. Diet, time, and place of spawning and environments occupied by creek chub, Semotilus atromaculatus, in the Mink River, Manitoba. Journal of the Fisheries Research Board of Canada 30(3):357-362.

Wiens, J.A. 1973. Interterritorial habitat variation in Grasshopper and Savannah Sparrows. Ecology 54:877-884.

Taylor, W. K. and B. H. Anderson. 1973. Nocturnal migrants killed at a central Florida TV tower; autumns 1969-1971. Wilson Bulletin 85:42-51.

Torres, J. R. 1973. The status of the black-tailed prairie dog and the black-footed ferret in North Dakota. Pp. 51-9 in Proceedings of the Black-footed ferret and prairie dog workshop. South Dakota State Univerity, Brookings, SD.