Wilbur, S. R. 1983. The status of vultures in the western hemisphere. Pages 113-123 in Wilbur, S. R., and J. A. Jackson, eds. Vulture biology and management. Univ. California Press, Berkeley.

Renken, R. B. 1983. Breeding bird communities and bird-habitat associations on North Dakota waterfowl production areas of three habitat types. M.S. Thesis, Iowa State University, Ames, IA. 90 pp.

Waring, G. T. 1983. Horse behavior: the behavioral traits and adaptations of domestic and wild horses, including ponies. Park Ridge: Noyes. 292 pp.

U.S. Fish and Wildlife Service (USFWS). 1983. Endangered and threatened wildlife and plants; Review of plant taxa for listing as endangered or threatened species. Federal Register 48(229):53640-53670.

Cranford, J. A. 1983. Ecological strategies of a small hibernator, the western jumping mouse Zapus princeps. Can. J. Zool. 61:232-240.

Herd, R. M., and M. B. Fenton. 1983. An electrophoretic, morphological, and ecological investigation of a putative hybrid zone between Myotis lucifugus and Myotis yumanensis (Chiroptera: Vespertilionidae). Can. J. Zool. 61:2029-2050.

Oring, L. W., D. B. Lank, and S. J. Maxson. 1983. Population studies of the polyandrous spotted sandpiper. Auk 100:272-285.

Tyler, J. D. 1983. Notes on burrowing owl (Athene cunicularia) food habits in Oklahoma. Southwest. Nat. 28:100-2.

Carpenter, F.L.., D.C. Paton, and M.A. Hixon. 1983. Weight gain and adjustment of feeding territory size in migrant hummingbirds. Proc. National Academy of Sciences USA 80:7259-7263.

Graber, J. W. and R. R. Graber. 1983. Feeding rates of warblers in spring. Condor 1985:139-150.

Smith, G. R., J. G. Hull, R. K. Koehn, A. J. Innes. 1983. Taxonomic relationships of the Zuni Mountain sucker, Catostomus discobolus yarrowi. Copeia 1983:37-48.

Detling, J. K. and E. L. Painter. 1983. Defoliation responses of western wheatgrass populations with diverse histories of prairie dog grazing. Oecologia 57:65-71.

Hopkins, R. 1983. Vegetation structure and avian communities in some rangeland types of western North Dakota. Proceedings of the North Dakota Academy of Science 37:82.

Munther, G. L. 1983. Integration of beaver into forest management. Proceedings of the 18th Annual Meeting of the American Fisheries Society (Laramie, Wyoming), pages 73-80.

Carbyn, L. 1983. Wolves in Canada and Alaska. Ottawa. 135 pp.

Bosakowski, T. 1983. Density and roosting habits of northern harriers wintering in the hackensack Meadowlands, New Jersey. Records New Jersey Birds 9:50-4.

Cole, C. J., and L. M. Hardy. 1983. Tantilla atriceps. Cat. Am. Amph. Rep. 317.1-317.2.

Furness, R. W. 1983. The birds of Foula. Vol. 1. The Brathay Hall Trust, Foula, Shetland.

Leomard, M.L. and M.B. Fenton. 1983. Habitat use by spotted bats (Euderma maculatum, Chiroptera:Vespertilionidae): roosting and foraging behavior. Can. J. Zool. 61:1487-1491.

Scott, D. M., and C. D. Ankney. 1983. The laying cycle of brown-headed cowbirds: passerine chickens? Auk 100:583-592.

Zuniga, G.E., V. H. Argandona, H. M. Niemeyer, and L. J. Corcuera. 1983. Hyroxamic content in wild and cultivated Gramineae. Phytochemistry 22(12):2665-2668.

Allen, A. W. 1983. Habitat suitability index models: beaver. U.S. Fish and Wildlife Service, FWS/OBS-82/10.30, revised. 20 pp.

Weed Science Society of America. 1983. Herbicide handbook.

Hironaka, M., M. A. Fosberg, and A. H. Winward. 1983. Sagebrush-grass habitat types of southern Idaho. Forestry, Wildlife, and Range Experiment Station Bulletin No. 15, University of Idaho, Moscow. 44 pp.

Davis, J., and R. G. Ford. 1983. Home range of the western fence lizard (Sceloporus occidentalis occidentalis). Copeia 1983:933-940.

Johnson, R. E. 1983. Nesting biology of the rosy finch on the Aleutian Islands, Alaska. Condor 85:447-452.

Parrish, J. R., D. T. Rogers, Jr., and F. P. Ward. 1983. Identification of natal locales of peregrine falcons (FALCO PEREGRINUS) by trace-element analysis of feathers. Auk 100:560-567.

Verner, J., and L.V. Ritter. 1983. Current status of the Brown-headed Cowbird in the Sierra National Forest. Auk 100:355-368.

Chapman, J. A., K. R. Dixon, W. Lopez-Forment, and D. E. Wilson. 1983. The New World jackrabbits and hares (genus Lepus).--1. Taxonomic history and population status. Acta Zoologica Fennica 174:49-51.

Hatch, S.L., and D.A. Bearden. 1983. Stipa curvifolia (Poaceae) - studies on a rare taxon. SIDA 10(2):184-187.

Ehrenfeld, J. G. 1983. The effects of changes in land-use on swamps of the New Jersey Pine Barrens. Biol. Cons. 25:353-75.

Hubbard, J.P. and C.S. Thaeler Jr. 1983. Notes on voles (Microtus family Cricetidae) in New Mexico. Occas Papers del Mus Nat Hist 28:1-8.

Otto, J. E. 1983. Breeding ecology of the pied-billed grebe (PODILYMBUS PODICEPS [Linneaus]) on Rush Lake, Winnebago County, Wisconsin. M.S. thesis, University of Wisconsin, Oshkosh, Wisconsin.

Cramp, S., and K. E. L. Simmons, editors. 1983. The birds of the Western Palearctic. Volume 3: waders to gulls. Oxford University Press, Oxford.

Braun, B. M., and G. L. Hunt, Jr. 1983. Brood reduction inblack-legged kittiwakes. Auk 100:469-476.

Coppock, D.L., J.K. Detling, J.E. Ellis and M.I. Dyer. 1983. Plant-herbivore interactions in North American mixed-grass prairie. Oecologia 56:1-9

Stefferud, J.A. (1983) Unpublished letter to Forest Supervisor, Cason NF. Subject: Olla Timber Sale. Carson Supevisor's Office, Carson National Forest, USFS. 4 p.

Haddon, P. C., and R. C. Knight. 1983. A guide to little tern conservation. Royal Soc. Protection of Birds. 114 pp.

MacCulloch, R. D., and D. M. Secoy. 1983. Movement in a river population of Chrysemys picta belli in southern Saskatchewan. Journal of Herpetology 17:283-285.

Seal, U. S., and E. D. Plotka. 1983. Age-specific pregnancy rates in feral horses. J. Wildl. Manage. 47:422-429.

Avery, E. L. 1983. A bibliography of beaver, trout, and wildlife, and forest relationships. Wisconsin Department of Natural Resources Technical Bulletin No. 137. 23 pp.

Sousa, P. J. 1983. Habitat suitability models: Lewis' Woodpecker. Division of Biological Services, U. S. Fish and Wildlife Service, USDI Washington, D.C. 15 pp.

Durrie, J.N. 1983. A breeding record for the pine grosbeak in New Mexico. NMOS bulletin 11(1):12-13.

Juillard, M., and K. J. Beuret. 1983. Management of nesting sites and their influence upon a population of barn owls in northwestern Switzerland. Nos Oiseux 37:1-20.

Perrill, S. A., and R. E. Daniel. 1983. Multiple egg clutches in Hyla regilla, H. cinerea, and H. gratiosa. Copeia 1983:513-516.

Vickery, P. 1983. Sedge Wren. Pages 352-354 in J. Farrand (editor). The Audubon Society master guide to birding. Volume 2. Alfred A. Knopf, New York, New York. 398 pp.

Cole, C. J. 1983. Specific status of the North American fence lizards, Sceloporus undulatus and Sceloporus occidentalis, with comments on chromosome variation. Am. Mus. Novitates (2768):1-13.

Heimburger, M.D., D. Euler, and J. Barr. 1983. The impact of cottage development on common loon reproductive success in central Ontario. Wilson Bulletin 95:431-439.

Arbuckle, J. 1983. [Least tern and piping plover....]. Maine Audubon Society. 35 pp.

Estes, R. D., ed. 1983. Bibliography of the eastern brook trout, Salvelinus fontinalis. Southeastern Division, American Fisheries Society, Cookeville, Tennessee. 33 pp.

Johnson, N. K., and R. M. Zink. 1983. Speciation in sapsuckers (SPHYRAPICUS): I. Genetic differentiation. Auk 100:871-884.

Page, L. M. 1983b. Identification of the percids, Boleosoma phlox Cope and Ioa vigil Hay. Copeia 1983: 1082-1083.

Wilson, B. 1983. Floodplain tall grass prairie. American Birds 37:80.

Forsman, E. D. 1983. Methods and materials for locating and studying spotted owls. U.S.D.A. Forest Service, Gen. Tech. Report PNW-162. Portland, Oregon. 8 pp.

Curtis, P. D., and C. E. Braun. 1983a. Recommendations for establishment and placement of bait sites for counting band-tailed pigeons. Wildlife Society Bulletin 11:364-366.

Borens, J. 1983. Proposed Oak Woodland RNA. US Forest Service, 4 p.

Taylor, D.W. 1983. Freshwater mollusks unpubl. report to New Mexico Department of Game and Fish circulated as an appendix to a job description for project no. E-1-3 prepared by J.P. Hubbard. . 79 p.

Hodges, R.W. et al., eds. 1983. Check List of the Lepidoptera of America North of Mexico. E.W. Classey Limited and The Wedge Entomological Research Foundation, London. 284 pp.

MacCracken, J. G., D. W. Uresk, and R. M. Hansen. 1983b. Plant community variability on a small area in southeastern Montana. Great Basin Naturalist 43(4):660-668.

Semlitsch, R. D. 1983. Structure and dynamics of two breeding populations of the eastern tiger salamander, AMBYSTOMA TIGRINUM. Copeia 1983:608-616.