Hadow, H. H. 1973. Winter ecology of migrant and resident Lewis' woodpeckers in southeastern Colorado. Condor 75:210-224.

Choate, J.R. 1973. Identification and recent distribution of white-footed mice (Peromyscus) in New England. J. Mammal 54(1):41-49.

Schipper, W. J. A. 1973. A comparison of Prey selection in sympatric harriers, CIRCUS species, in western Europe. Le Gerfaut 63:17-120.

Whitford, W.B. and W.G. Whitford. 1973. Combat in the horned lizard, Phrynosoma cornutum. Herpetologica 29(2):191-192

Faber, R. A., and J. J. Hickey. 1973. Eggshell thinning, chlorinated hydrocarbons and mercury in inland aquatic bird eggs, 1969 and 1970. Pestic. Monit. J. 7:27-36.

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

Barlow, J.C. 1973. Status of the North American population of the European tree sparrow. In a symposium on the house sparrow (PASSER DOMESTICUS) in North America. Amer. Ornith. Union, Monog. No. 14.

Hansen, R. M. and B. R. Cavender. 1973. Food intake and digestion by black-tailed prairie dogs under laboratory conditions. Acta Theriologica 18:191-200.

Crawford, J. A., and E. G. Bolen. 1973. Spring use of stock ponds by lesser prairie chickens. Wilson Bulletin 85:471-472.

Sheviak, C.J. 1973. A new Spiranthes from the grasslands of central North America. Botanical Museum Leaflets 23(7):285-297.

Williams, S.R. 1973c. Plethodon neomexicanus. Catalogue of American Amphibians and Reptiles 131:1-2.

Huver, C. W. 1973. A bibliography of the genus Fundulus. G. K. Hall and Company, Boston. v + 138 pp.

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.

Kleen, V. M. 1973. The density and territory size of breeding Prothonotary Warblers (PROTONTARIA CITREA) in southern Illinois. Southern Illinois University, Carbondale, Illinois. M.S. thesis.

Shiller, R. J. 1973. Reproductive ecology of female sharp-tailed grouse and its relation to early plant succession in NW Minnesota. Ph.D. thesis. University of Minnesota. 186 pp.

Birkenholz, D.E. 1973. Habitat relationships of grassland birds at Goose Lake Prairie Nature Preserve. Pages 63-66 in L.C. Hulbert, editor. Proceedings of the Third Midwest Prairie Conference. Kansas State University, Manhattan, KS.

August, P.V. 1973. Scent communication in the Southern Plains wood rat, Neotoma micropus. American Midland Naturalist 99(1): 206-218.

Hubbard, J.P. 1973. Mexican junco. New Mex. Ornith. Soc. field notes. Hubbard, J.P. (ed) vol XII, no. 2, June 1 - Nov 30, 1973.

Eaton, R.L. 1973. The status, management, and conservation of the cougar in the United States. The World's Cats, 1:68-86.

Smith, D. G., and J. R. Murphy. 1973. Breeding ecology of raptors in the eastern Great Basin of Utah. Brigham Young University Science Bulletin, Biol. Ser. 13:1-76.

Yedlin, I. N., and G. W. Ferguson. 1973. Variation in aggressiveness of free-living male and female collared lizards, Crotaphytus collaris. Herpetologica 29: 268-275.

Michael, E. D. and W. H. Chao. 1973. Migration and roosting of Chimney Swifts in east Texas. Auk 90:100-105.

Zaret, T. M., and R. T. Paine. 1973. Species introduction in a tropical lake. Science 182:449-455.

Todsen, T.K. 1973. Sida 5:135.

Anderson, A. H., and A. Anderson. 1973. The cactus wren. Univ. Arizona Press, Tucson. xiv + 226 pp.

Bequaert, J.C. and W.B. Miller. 1973. The Mollusks of the Arid Southwest with an Arizona Check List. University of Arizona Press: Tucson, Arizona. 271 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.

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.

Van der Schalie, H. 1973. The mollusks of the Duck River drainage in central Tennessee. Sterkiana 52:45-56.

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.

Brown, W. S. 1973. Ecology of the racer, Coluber constrictor mormon (Serpentes, Colubridae), in a cold temperate desert in northern Utah. Ph.D. thesis, Univ. Utah, Salt Lake City.

Hester, F. E., and J. Dermid. 1973. The world of the wood duck. J. B. Lippencott Co., Philidelphia. 160 pp.

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

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.

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.

Van Devender, T. R., and C. W. Howard. 1973. Notes on natural nests and hatching success in the regal horned lizard (Phrynosoma solare) in southern Arizona. Herpetologica 29:238-239.

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

Champie, C. 1973. Strangers in the Franklins. Privately published, El Paso, Texas.

Peterson, R.T., and E.L. Chalif. 1973. A field guide to Mexican birds. Houghton Mifflin Co., Boston. 298 pp.

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

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.

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

Aday, B.J. and A.L. Gennaro. 1973. Mammals (excluding bats) of the New Mexican Llano Estacado and adjacent river valleys. Natural Science Research Institute. Studies in Natural Sciences. 1 (5):1-33 + app.

Ffrench, R. P. 1973. A guide to the birds of Trinidad and Tobago. Livingston, Wynnewood, Pennsylvania.

Verbeek, N.A.M. 1973. The exploitation system of the yellow-billed magpie. University of California Publications in Zoology, Vol. 99, University of California Press, Berkeley.

Hubbard, J. P., and B. J. Hayward. A biological survey of the San Francisco Valley (Greenlee County, Arizona to Catron County, New Mexico), with emphasis on habitats and vertebrates. Unpublished report prepared for USFS. 23 pp.

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

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