Montanucci, R. R. 1983. Natural hybridization between two species of collared lizards (Crotaphytus). Copeia 1983: 1-11.

Wigley, T. B., T. H. Roberts, and D. H. Arner. 1983. Reproductive characteristics of beaver in Mississippi. Journal of Wildlife Management 47:1172-1177.

Sherrod, S. K. 1983. Behavior of fledgling peregrines. Pioneer Impressions, Fort Collins, Colorado (available from The Peregrine Fund, Inc., Ithaca, New York. xi + 202 pp.

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

Berenbaum, M., 1983. Coumarins and caterpillars: a case for coevolution. Evolution 37(1): 163-179

Chesser, R.K. 1983. Genetic variability within and among populations of the black-tailed prairie dog. Evolution, 37(2):320-331.

Knight, P. 1983. A survey for rare, threatened and endangered species of plants on select portions of BLM land in Sandoval and Torrance Counties in New Mexico. Unpub report by New Mexico State Heritage Program for BLM. 18+ pp.

Brown, J.H. and A.C. Gibson. 1983. Biogeography. The C.V. Mosby Company, St. Louis.

Hillis, D.M., Frost, J.S. and Wright, D.A. 1983. Phylogeny and biogeography of the Rana pipiens complex: a biochemical evaluation. Systematic Zoology. 32:132-143.

Rothfels, M., and M. R. Lein. 1983. Territoriality in sympatric populations of Red-tailed and Swainson's hawks. Canadian Journal of Zoology 61:60-64.

Weseloh, D.V., S.M. Teeple, and M. Gilbertson. 1983. Double-crested Cormorants of the Great Lakes: egg-laying parameters, reproductive failure, and contaminant residues in eggs, Lake Huron, 1992-1993. Can. Jour. Zool. 61:427-436.

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.

Raffaele, H. A. 1983a. A guide to the birds of Puerto Rico and the Virgin Islands. Fondo Educativo Interamericano, San Juan, Puerto Rico. 255 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.

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.

Burnett, C. D. 1983. Geographic and secondary sexual variation in the morphology of Eptesicus fuscus. Ann. Carnegie Mus. Nat. Hist. 52:139-162.

Gochfeld, M. 1983. Colony site selection by least terns: physical attributes of sites. Colonial Waterbirds 6:205-213.

Skeel, M. A. 1983. Nesting success, density, and nest-siteselection of the whimbrel (NUMENIUS PHAEOPUS) in different habitats. Can. J. Zool. 61:218-225.

Colvin, B.A. 1983. Nest boxes for barn owls. Ohio Department of Natural Resources, Publication No. 346(183), Columbus, OH.

Custer, T. W., G. L. Hensler, and T. E. Kaiser. 1983. Clutch size, reproductive success, and organochlorine contaminants in Atlantic coast black-crowned night herons. Auk 100:699-710.

Hennessy, J.T., R.P. Gibbens, J.M. Tromble, and M. Cardenas. 1983. Vegetation changes from 1935 to 1980 in mesquite dunelands and former grasslands of Southern New Mexico. Journal of Range Management. 36(3):370-374.

Mpoame, M. and J. N. Rinne. 1983. Parasites of some fishes native to Arizona and New Mexico. Southwestern Naturalist 28:399-405.

Wilds, C., and M. Newlon. 1983. The identification of dowitchers. Birding 15:151-166.

Telfair, R. C. 1983. The cattle egret, a Texas focus and world view. Texas A & M Univ. Press. 144 pp.

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.

Berkey, G. B. 1983b. Mixed prairie IV. American Birds 37:82.

Chesser, R.K. 1983. Cranial variation among populations of the black-tailed prairie dog in New Mexico. Occas. Papers Mus., Texas Tech Univ., 84:1-13.

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

Hoffman, R. W., and K. M. Giesen. 1983. Demography of an introduced population of white-tailed ptarmigan. Can. J. Zool. 61:1758-1764.

Salzman, E. 1983. Cerulean warbler breeding in Suffolk County. Kingbird 33(2):105.

White, R.P. 1983. Distribution and habitat preferences of the upland sandpiper. (Bartramia longicauda) in Wisconsin. Amer. Birds, 37 (1): 16-22.

Scott, S. L. 1983. Field guide to the birds of North America. National Geographic Society, Washington, D.C.

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.

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.

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.

Gasaway, W. C., et al. 1983. Interrelationships of wolves, prey, and man in interior Alaska. Wildlife Monographs 84:1-50.

Blais, J. R. 1983. Trends in the frequency, extent, and severity of spruce budworm outbreaks in eastern Canada. Canadian Journal of Forest Research 13:539-547.

Clapp, R.B., M.K. Klimkiewicz, and A.G. Futcher. 1983. Longevity records of North American birds: Columbidae through Paridae. Journal of Field Ornithology 54:123-137.

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.

Layne, J. N. 1983. Productivity of sandhill cranes in south central Florida. J. Wildl. Manage. 47:178-185.

Scholes, R. 1983. Mexican chickadee. New Mexico Ornithological Society field notes. R.A. Goodman (ed) vol 22 (1):8, 1 Dec 1981 - 28 Feb 1983.

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.

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

Fairbanks, H.L. and W.B. Miller. 1983. Inbreeding and genetic variation in two species of Ashmunella (Gastrocopoda: Pulmonata: Polygyridae) from the Huachuca Mountains, Arizona. American Malacological Bulletin, 1: 21-26.

Kalla, P. I. and F. J. Alsop III. 1983. The distribution, habitat preference, and status of the Mississippi kite in Tennessee. Am. Birds 37(2):146-9.

Petrinovich, L., and T. L. Patterson. 1983. The white- crowned sparrow: reproductive success (1975-1980). Auk 100:811-825.

Waltz, R.D. and W.P. McCafferty. 1983. New caddisfly records for New Mexico (Insecta: Trichoptera). The Southwestern Naturalist 28(4): 413-415.