Zimmerman, J.L., and E.J. Finck. 1989. Philopatry and correlates of territory fidelity in male Dickcissels. North American Bird Bander 14:83-85.

Higgins, L.C. 1989. Guadalupe Mountains National Park threatened and endangered and exotic plant surveys. Report prepared for Guadalupe Mountains National Park.

Beier, P. 1989. Use of habitat by mountain beaver in the Sierra Nevada, J. Wildl. Manage. 53:649-654.

Dieter, C. D., and T. R. McCabe. 1989. Factors influencing beaver lodge-site selection on a prairie river. American Midland Naturalist 122:408-411.

Harestad, A. S., and D. G. Keisker. 1989. Nest tree use by primary cavity-nesting birds in south central British Columbia. Can. J. Zool. 67:1067-1073.

McGillivray, W. B. 1989. Geographic variation in size and reverse size dimorphism of the great horned owl in North America. Condor 91:777-786.

Turnbull, R. E., F. A. Johnson, and D. H. Brakhage. 1989. Status, distribution, and foods of fulvous whistling-ducks in south Florida. J. Wildl. Manage. 53:1046-1051.

Ehresman, B. L., D. A. Reeves, and K. P. Schlarbaum. 1989. Post release survival and movements of captively reared common barn-owls in Iowa. Iowa Department of Natural Resources, Des Moines, Iowa. Unpublished report. 24 pp.

Bradley, R. D., D. J. Schmidly, and R. D. Owen. 1989. Variation in the glans penes and bacula among Latin American populations of the Peromyscus boylii species complex. J. Mamm. 70:712-725.

Czaplewski, M. M. 1989. Least terns at Lake McConaughy. Nebraska Bird Rev. 57:95-96.

Gale, R. G. 1989. Bringing back the trumpeter swan. Utah Birds 5:1-13.

Keating, K. A. 1989. Historical grizzly bear trends in Glacier National Park, Montana: a response. Wildlife Society Bull. 17:198-201.

Nelson, B. B., and K. Titus. 1989. Silvicultural practices and raptor habitat associations in the Northeast. Pages 171-179 in Proceedings of the Northeast Raptor Management symposium and workshop. Natl. Wildl. Fed., Washington, D.C.

Sedgwick, J. A., and F. L. Knopf. 1989. Region-wide polygyny in willow flycatchers. Condor(91):473-475.

Poole, A. F. 1989. Ospreys: a natural and unnatural history. Cambridge Univ. Press, Cambridge and New York. 272 pp.

Hill, J., J. W. Evans, and M. J. Van Den Avyle. 1989. Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (South Atlantic)--striped bass. U.S. Fish and Wildlife Service Biological Report 82(11.118). 35 pp.

Bjorge, R. R., and J. R. Gunson. 1989. Wolf, Canis lupus, population characteristics and prey relationships near Simonette River, Alberta. Canadian Field-Naturalist 103:327-334.

Charley, J. 1989. Southwest Region Spotted Owl Field Outing Form-1989

Echelle, A. F., A. A. Echelle, and D. R. Edds. 1989. Conservation genetics of a spring-dwelling desert fish, the Pecos gambusia (Gambusia nobilis, Poeciliidae). Conservation Biology 3(2):159-169.

Ingold, D. J. 1989. Nesting phenology and competition for nest sites among red-headed and red-bellied woodpeckers and European starlings. Auk 106:209-217.

Meagher, M. 1989a. Range expansion by bison of Yellowstone National Park. J. Mamm. 70:670-675.

Petit, L. J. 1989. Breeding biology of Prothonotary Warblers in riverine habitat in Tennessee. The Wilson Bulletin 101:51-61.

Small, R. J., and D. H. Rusch. 1989. The natal dispersal of ruffed grouse. Auk 106:72-79.

Clayton, P. 1989. Field notes from Philip Clayton on Sophora gypsophila var guadalupensis. Las Cruces District Office.

Marta, Karen. 1989. Carson National Forest Spotted Owl Form, El Rito Ranger District, Carson National Forest. USFS. 7 p.

Clippinger, N. W. 1989. Habitat suitability index models: black-tailed prairie dog. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.156). 21 pp.

Hands, H. M., R. D. Drobney, and M. R. Ryan. 1989. Status of the Bell's vireo in the northcentral United States. Missouri Coop. Fish Wildl. Res. Unit Rep. 13 pp.

U.S. Fish and Wildlife Service (USFWS). 1989. 1989 summary U.S. Atlantic coast piping plover. USFWS, Northeast region, Newton Corner, MA.

Ridgely, R. S., and J. A. Gwynne, Jr. 1989. A guide to the birds of Panama with Costa Rica, Nicaragua, and Honduras. Second edition. Princeton Univ. Press, Princeton, New Jersey. 534 pp.

Blumton, A. K., J. D. Fraser, and K. Terwilliger. 1989. Loggerhead shrike survey and census. Pages 116-118 in Virginia nongame and endangered wildlife investigative annual report, July 1, 1988 through June 30, 1989. Virginia Department of Game and Inland

Johnson, P. 1989. 7/20/1989 field form.

Breese, D. 1989. Old-growth mixed-coniferous red fir forest transition. Journal of Field Ornithology (Supplement) 60:42.

Crocoll, S. T., and J. W. Parker. 1989. The breeding biology of broad-winged and red-shouldered hawks in western New York. J. Raptor Res. 23:125-39.

Hunt, H. E., and R. D. Slack. 1989. Winter diets of whooping and sandhill cranes in south Texas. J. Wildlife Management 53:1150-1154.

Marvil, R. E., and A. Cruz. 1989. Impact of brown-headed cowbird parasitism on the reproductive success of the solitary vireo. Auk 106:476-480.

Staicer, C.A. 1989. Characteristics, use, and significance of two singing behaviors in Grace's Warbler (DENDROICA GRACIAE). Auk 106:49-63.

Zoellick, B. W., N. S. Smith, and R. S. Henry. 1989. Habitat use and movements of desert kit foxes in western Arizona. J. Wildl. Manage. 53:955-961.

Howell, D. 1989. The long-nosed bat, Leptonycteris: An endangered species in the southwest. . 19 p.

Abarca, F.J. 1989. Potential food habit overlap between spikedace (Meda fulgida) and red shiner (Cyprinella lutrensis). Arizona State University, Tempe. M.S. thesis.

Bestgen, K. R., S. P. Platania, J. E. Brooks, and D. L. Propst. 1989. Dispersal and life history traits of Notropis girardi (Cypriniformes, Cyprinidae), introduced into the Pecos River, New Mexico. American Midland Naturalist 122:228-235.

Dixon, K. L. 1989. Contact zones of avian congeners on the southern Great Plains. Condor 91:15-22.

Hayward, G. D. 1989. Historical grizzly bear trends in Glacier National Park, Montana: a critique. Wildlife Society Bull. 17:195-197.

Miner, J. G., and J. Bart. 1989. Woodcock abundance and hunter success: regional trends from hunter surveys. Wildl. Soc. Bull. 17:258-263.

Senner, S. E., D. W. Norton, and G. C. West. 1989. Feeding ecology of western sandpipers, CALIDRIS MAURI, and dunlins, C. ALPINA, during spring migration at Hartney Bay, Alaska. Can. Field-Nat. 103:372-379.

Verner, J., and T. A. Larson. 1989. Richness of breeding bird species in mixed-conifer forests of the Sierra Nevada, California. Auk 106:447-463.

Hendricks, B.J., and J.P. Rieger. 1989. Description of nesting habitat for the Least Bell's Vireo in San Diego County. USDA Forest Service, Gen. Tech. Rep. PSW-110.

Althoff, D. P., and G. L. Storm. 1989. Daytime spatial characteristics of cottontial rabbits in central Pennsylvania. Journal of Mammalogy 70:820-824.

Bradford, D. F. 1989. Allotopic distribution of native fishes and introduced fishes in high Sierra Nevada lakes of California: implication of the negative effect of fish introductions. Copeia 1989:775-778.

Galbraith, D. A., and R. J. Brooks. 1989. Age estimates for snapping turtles. J. Wildl. Manage. 53:502-508.

Kelly, J. P. and S. S. Kelly. 1989. Limber pine-juniper woodland. Journal of Field Ornithology (Supplement) 60:48.

Neves, R. J., and M. C. Odom. 1989. Muskrat predation on endangered freshwater mussels in Virginia. J. Wild. Manage. 53:934-941.

Seeley, R. R., and T. D. Reynolds. 1989. Effect of indomethacin-treated wheat on a wild population of montane voles. Great Basin Nat. 49:556-561.

Roberts, T. H. 1989. American woodcock (SCOLOPAX MINOR). Section 4.1.2, US Army Corps of Engineers Wildlife Resources Management Manual. Tech. Rep. EL-89-5. Waterways Expt. Station, Vicksburg, Mississippi. 56 pp.

Rauchenberger, M. 1989. Systematics and biogeography of the genus Gambusia (Cyprinodontiformes: Poecilidae). American Museum Novitates (2951):1-74.

Braun, J. K., and M. A. Mares. 1989. Neotoma micropus. Am. Soc. Mamm., Mammalian Species No. 330:1-9.

Echelle, A.A., T.E. Dowling, C.C. Moritz and W.M. Brown. 1989. Mitochondrial-DNA diversity and the origin of the Menidia clarkhubbsi complex of unisexual fishes (Atherinidae). Evolution 43:984-993.

Jenkins, S. H. 1989. Comments on an inappropriate population model for feral burros. J. Mamm. 70:667-670.

Mech, L. D. 1989. Wolf population survival in an area of high road density. American Midland Naturalist 121:387-389.

Plante, Y., P. T. Boag, and B. N. White. 1989. Macrogeographic variation in mitochondrial DNA of meadow voles (Microtus pennsylvanicus). Can. J. Zool. 67:158-167.

Spellenberg, R., and P. Knight. 1989. A new species of Erigeron (Asteraceae: Astereae) from central New Mexico. Madrono 36(2): 115-121.