Pressey, R.L. and A.O. Nicholls. 1989. Efficiency in conservation evaluation: scoring versus iterative approaches. Biological Conservation. 50(1989):199-218.

Vander Haegen, W. M., M. W. Sayre, and W. E. Dodge. 1989. Winter use of agricultural habitats by wild turkeys in Massachusetts. J. Wildl. Manage. 53:30-33.

Eisenberg, J. F. and K. H. Redford. 1989. Mammals of the Neotropics, The Northern Neotropics, Volume 1, Panama, Colombia, Venezuela, Guyana, Suriname, French Guiana. Chicago, The University of Chicago Press.

Frawley, B.J. 1989. The dynamics of nongame bird breeding ecology in Iowa alfalfa fields. M.S. thesis. Iowa State University, Ames, IA. 94 pp.

UNKOWN, 1989. Carson National Forest Spotted Owl Form

Arnold, R. A. 1989. Unaweep Seep Butterfly Study. Submitted to U.S. Bureau of Land Management, 764 Horizon Drive, Grand Junction, Colorado.

Hoban, P. 1989. Memorandum to Regional Director, Region 2 (USFWS), subject: monthly activities report - January. San Andres National Wildlife Refuge, U.S. Fish and Wildlife Service. 6 February 1989. 2 pp.

Abbott, J.R. (1989) Unpublsihed Letter to Regional Forester R-3, Subject: Annual Spotted Owl Report. Contains "Spotted Owl Annual Report - Pre 1989 Lincoln National Forest," and Supporting Maps. Lincoln Supervisor's Office, Lincoln National Forest, USFS.

Baker, R. J., C. S. Hood, and R. L. Honeycutt. 1989. Phylogenetic relationships and classification of the higher categories of the New World bat family Phyllostomidae. Systematic Zoology 38:228-238.

Hands, H. M., R. D. Drobney, and M. R. Ryan. 1989. Status of the golden-winged warbler in the northcentral United States. Missouri Coop. Fish Wildl. Res. Unit Rep. 12 pp.

Cardiff, S.W., G.B. Smalley. 1989. Birds of the rice country of southwest Louisiana. Birding. 21(5):232-240.

Dessauer, H. C., and C. J. Cole. 1989. Diversity between and within nominal forms of unisexual teiid lizards. Pages 49-71 in R. M. Dawley and J. P. Bogart, editors. Evolution and ecology of unisexual vertebrates. Bull. 466, New York State Mus., Albany.

Hedges, S. B. 1989. Evolution and biogeography of West Indian frogs of the genus Eleutherodactylus: slow-evolving loci and the major groups. Pages 305-370 in C. A. Woods, ed. Biogeography of the West Indies, Sandhill Crane Press, Gainesville, Florida.

Williams, S.O. and K.E. Copeland. 1989. Bird survey - Guadalupe Canyon, Hidalgo Co., NM. 19-21 March 1989.

Powers, D. A. 1989. Fish as model systems. Science 246:352-358.

U.S. Fish and Wildlife Service. 1989a. Endangered and threatened wildlife and plants; animal notice of review. Federal Register 54(4):554-579.

Utter, F., G. Milner, G. Stahl and D. Teel. 1989. Genetic population structure of chinook salmon, Oncorhynchus tshawytscha, in the Pacific Northwest. Fishery Bulletin 87:239-264.

Crawford, H. S., and D. T. Jennings. 1989. Predation by birds on spruce budworm CHORISTONEURA FUMIFERANA: functional, numerical, and total responses. Ecology 70:152-163.

Johnson, S. R. and D. R. Herter. 1989. The Birds of the Beaufort Sea. BP Exploration (Alaska) Inc., Anchorage, Alaska. 372 pp.

Grebence, B. L., and C. M. White. 1989. Physiographic characteristics of peregrine falcon nesting habitat along the Colorado River system in Utah. Great Basin Naturalist 49:408-418.

Wu, S.-K. 1989. Colorado freshwater mollusks. Natural History Inventory of Colorado 11: 1-117.

Reynolds, R. T., R. A. Ryder, and B. D. Linkhart. 1989. Small forest owls. Pages 131-143 in National Wildlife Federation. Proceedings of the western raptor management symposium and workshop. National Wildlife Federation Scientific and Technical Series No.

Tipton, A. R. 1989. Use of monofilament line, reflective tape, beachballs, and pyrotechnics for controlling grackle damage to citris. U.S. For. Serv. Gen. Tech. Rep. RM-171:126-128.

Arnold, T. W. 1989. Variation in size and composition of horned and pied-billed grebe eggs. Condor 91:987-9.

Clarkson, R. W., and J. C. Rorabauch. 1989. Status of leopard frogs (Rana pipiens complex: Ranidae) in Arizona and southeastern California. Southwest. Nat. 34:531-538.

Grey, L. P. 1989. Sundry Argynnine concepts revisited (Nymphalidae). Journal of the Lepidopterists' Society 43:1-10.

Kidder, J. D., et al. 1989. Prevalence of patent Baylisascaris procyonis infection in raccoons (Procyon lotor) in Ithaca, New York. J. Parasitol. 75:870-874.

Mueller, G. 1989. Observations of spawning razorback sucker (Xyrauchen texanus) utilizing riverine habitat in the lower Colorado River, Arizona-Nevada. Southwestern Naturalist 34:147-149.

Robbins, C. S., J. R. Sauer, R. Greenberg, and S. Droege. 1989a. Habitat area requirements of breeding forest birds of the middle Atlantic states. Wildl. Monogr. 103:1-34

Tanner, W. W., and C. H. Lowe. 1989. Variations in Thamnophis elegans with descriptions of new subspecies. Great Basin Nat. 49:511-516.

Doughty, R. W. 1989. Return of the whooping crane. Univ. Texas Press, Austin. 182 pp.

Clayton, P. 1989. Memorandum to WSRA area manager on preliminary distribution study for grama grass cactus, Toumeya papyracantha, in Otero county, NM.

Jankowski, Karen, 1989. Element Stewardship Abstract: mosquito control. The Nature Conservancy, Boston, Massachusetts, 65 pp.

Campbell, et al. 1989. An apparent natural hybrid rattlesnake and Crotalus willardi (Viperidae) from the Peloncillo Mountains of southwestern New Mexico. Herpetologica 45:344-349.

Dunn, P. O., and S. J. Hannon. 1989. Evidence for obligate male parental care in black-billed magpies. Auk 106:635-644.

Binford, L.C. 1989. A distributional survey of the birds of the Mexican state of Oaxaca. American Ornithologists' Union, Ornithological monographs No. 43. 418 pp.

Halterman, M. D., S. A. Laymon, and M. J. Whitfield. 1989. Status and distribution of the elf owl in California. West. Birds 20:71-80.

Moritz, C., J. W. Wright, and W. M. Brown. 1989. Mitochondrial DNA analyses and the origin and relative age of parthenogenetic Cnemidophorus (Teiidae: Reptilia): C. velox and C. exsanguis. Evolution 43:958-968.

Rappole, J. H., M. A. Ramos, and K. Winkler. 1989. Wintering wood thrush movements and mortality in southern Veracruz. Auk 106:402-410.

Gila National Forest. 1989. Glenwood Ranger District Spotted Owl habitat description - form 2.

U.S. Forest Service (USFS). 1989. Implementation plan for the management of Astragalus ripleyi on the Carson National Forest. February 1989. Unpublished document. Carson National Forest, Tres Piedras, New Mexico, USA.

Avedisian, E. (1989) Spotted Owl Survey Form 1. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 18 p.

Holthuijzen, A. M. A. 1989. Behavior and productivity of nesting Prairie Falcons in relation to construction activities at Swan Falls Dam. Final report. Idaho Power Co, Boise, ID.

Bosakowski, T., an D. G. Smith. 1989. Survey of the woodland raptor community in the Pequannock watershed. Unpublished report. 19 pp.

Beaman, K. R., et. al. 1989. Bibliography of tortoise literature. Pp. 126-39 in Swingland, I. R. and M. W. Klemens (eds.). Conservation biology of tortoises. International Union for the Conservation of Nature and Natural Resources, Gland, Switzerland.

Hershberger, W. 1989. Loggerhead shrike (LANIUS LUDOVICIANUS) survey: spring 1989 for the Washington and Frederick counties of Maryland. Unpubl. report, Maryland Natural Heritage Program, Annapolis, Maryland.

Cincotta, R. P. 1989. Note on mound architecture of the black-tailed prairie dog. Great Basin Naturalist 49:621-3.

Desgranges, J. L., and B. Houde. 1989. Effects of acidity and other environmental parameters on the distribution of lacustrine birds in Quebec. In J. L. DesGranges (editor) Studies of the Effects of Acidification on Aquatic Wildlife in Canada: Lacustrine

Heil, K.D., J. M. Porter, and S. L. Welsh. 1989. A new species of Asclepias (Asclepiadaceae) from northwestern New Mexico. Great Basin Nat.. 49(1):100-104.

Williams, S.O. and K.E. Copeland. 1989 Bird survey - Guadalupe Canyon, Hidalgo Co. NM. 18-20 June 1989.

Maurer, B. A., E. A. Webb, and R. K. Bowers. 1989. Nest characteristics and nestling development of Cassin's and Botteri's sparrows in southeastern Arizona. Condor 91:736-738.

Quattro, J. M., and R. C. Vrijenhoek. 1989. Fitness differences among remnant populations of the endangered Sonoran topminnow. Science 245:976-978.

Wilson, R. W. and R. D. Stager. 1989. Association between soils and desert tortoise population densisties and distribution, Piute Valley, Nevada. Bureau of Land Management, Las Vegas, NV. 17 pp.

van Zyll de Jong, C. G., and G. L. Kirkland, Jr. 1989. A morphometric analysis of the Sorex cinereus group in central and eastern North America. J. Mamm. 70:110-122.

Ankney, C. D., D. G. Dennis, and R. C. Bailey. 1989. Increasing mallards, decreasing American black ducks--no evidence for cause and effect: a reply. J. Wildl. Manage. 53:1072-1075.

Densmore, L. D., III, J. W. Wright, and W. M. Brown. 1989. Mitochindrial-DNA analyses and the origin and relative age of parthenogenetic lizards (genus Cnemidophorus). II. C. neomexicanus and the C. tesselatus complex. Evolution 43:943-957.

Kirkland, G. L., Jr., and J. N. Layne. 1989. Advances in the study of Peromyscus (Rodentia). Texas Tech Univ. Press, Lubbock.

Grubb, T. G., S. J. Nagiller, W. L. Eakle, and G. A. Goodwin. 1989. Winter roosting patterns of bald eagles (HALIAEETUS LEUCOCEPHALUS) in north-central Arizona. Southwestern Naturalist 34:453-459.

Maya, J. E., and P. Malone. 1989. Feeding habits and behavior of the whiptail lizard, Cnemidophorus tigris tigris. J. Herpetol. 23:309-311.

Robbins, C. S., D. K. Dawson, and B. A. Dowell. 1989a. Habitat area requirements of breeding forest birds of the Middle Atlantic states. Wildlife Monographs No. 103.