Gaston, A. J., and D. W. Powell. 1989. Natural incubation, egg neglect, and hatchability in the ancient murrelet. Auk 106:433-438.

Lamb, T., J. C. Avise, and J. W. Gibbons. 1989. Phylogeographic patterns in mitochondrial DNA of the desert tortoise (Xerobates agassizii) and evolutionary relationships among the North American gopher tortoises. Evolution 43:76-87.

Payne, J. L., D. R. Young, and J. F. Pagels. 1989. Plant community characteristics associated with the endangered northern flying squirrel, Glaucomys sabrinus, in the southern Appalachians. American Midland Naturalist 121:285-292.

Taylor, D. M., C. H. Trost, and B. Jamison. 1989. The biology of the white-faced ibis in Idaho. West. Birds 20:125-133.

Benkman, C. W. 1989. Breeding opportunities, foraging rates, and parental care in white-winged crosbills. Auk 106:483-485.

Congdon, J. D., and R. E. Gatten, Jr. 1989. Movements and energetics of nesting Chrysemys picta. Herpetologica 45:94-100.

Espino-Barros, R., and G. A. Baldassarre. 1989b. Numbers, migration chronology, and activity patterns of nonbreeding Caribbean flamingos in Yucatan, Mexico. Condor 91:592-597.

Hovis, J. A., and M. S. Robson. 1989. Breeding status and distribution of the least tern in the Florida Keys. Florida Field Nat. 17:61-66.

McAdoo, J.K., W.S. Longland, and R.A. Evans. 1989. Nongame bird community responses to sagebrush invasion of crested wheatgrass seedings. Journal of Wildlife Management 53:494-502.

Raveling, D. G. 1989. Nest-predation rates in relation to colony size of black brant. J. Wildl. Manage. 53:87-90.

Wiens, T. P. 1989. Spring migrant boreal owls at Whitefish Point, Michigan. Jack-Pine Warbler 67:88-93.

Locklear, J. 1989. Parthenium alpinum and its relatives in Colorado. Aquilegia 13(3):10-11.

Collins, C.T., L.R. Hays, M. Wheeler, and D. Willick. 1989. The status and management of the Least Bell's Vireo within the Prado Basin, California, during 1989. Final Rep. to Orange County Water District, Fountain Valley, CA.

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

Meffe, G. K., and F. F. Snelson, Jr., editors. 1989. Ecology and evolution of livebearing fishes (Poeciliidae). Prentice Hall, Englewood Cliffs, New Jersey. 453 pp.

Baltosser, W.H. 1989. Nectar availability and habitat selection by hummingbirds in Guadalupe Canyon. Wilson Bulletin 101:559-578.

Conroy, M. J., et al. 1989. Increasing mallards, decreasing American black ducks--no evidence for cause and effect: a comment. J. Wildl. Manage. 53:1065-1071.

Hayward, G. D., and R. E. Escano. 1989. Goshawk nest-site characteristics in western Montana and northern Idaho. Condor 91:476-479.

Koopman, K. F. 1989. A review and analysis of the bats of the West Indies. Pages 635-644 in C. A. Woods, ed. Biogeography of the West Indies. Sandhill Crane Press, Gainesville, Florida.

New Mexico Ornithological Society. 1989. NMOS Field Notes 6/1/89 - 7/31/89. NMOS Field Notes. 28(3):37.

Rust, R. W. 1989. Opportunistic foraging by the kangaroo rat Dipodomys deserti Stephens (Rodentia: Heteromyidae). Great Basin Nat. 49:396-397.

Hoban, P. 1989. Memorandum to Regional Director, Region 2 (USFWS), subject: monthly activities report - March 1989. San Andres National Wildlife Refuge, U.S. Fish and Wildlife Service. 3 April 1989. 2 pp.

West, S. 1989. Unpublished summer 1989 field report for 1 June - 31 July 1989.

Wai-Ping, V. and M. B. Fenton. 1989. Ecology of spotted bat (Euderma maculatum) roosting and foraging. Journal of Mammalogy 70:617-622.

Postupalsky, S. 1989. Past and current nesting status of the red-shouldered hawk in Michigan. Unpublished preliminary report submitted to Michigan Department of Natural Resources.

American Ornithologists' Union (AOU) . 1989. Thirty-seventh Supplement to the American Ornithologists' Union Check-list of North American Birds. Auk 106:532-538.

Seal, U. S., et al. 1989. Florida panther FELIS CONCOLOR CORYI viability analysis and species survival plan. Captive Breeding Specialist Group, IUCN.

Connell, S. R., and A. J. Norman. 1989. Survey of colonial nesting birds in Maple District, 1989. Ontario Ministry of Natural Resources, Maple, Ontario. 82 pp.

Tobias, S. 1989. Kuenzler Hedgehog Cactus survey final report. Unpublished report on 1987 Kuenzler survey by Lincoln NF. Staff Randy Russell, Jim Anderson, and John Peterson. 22 pp.

Atwater, S., and J. Schnell, eds. 1989. Ruffed grouse. Stackpole Wildlife Series. xiii + 370 pp.

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.

Etchberger, R. C., P. R. Krausman, and R. Mazaika. 1989. Mountain sheep habitat characteristics in the Pusch Ridge Wilderness, Arizona. J. Wildl. Manage. 53:902-907.

Hass, C. C. 1989. Bighorn lamb mortality: predation, inbreeding, and population effects. Canadian Journal of Zoology 67:699-705.

Kaufman, K. 1989. Blue grosbeak and indigo bunting. Am. Birds 43:383-388.

Ohlendorf, H.M., R.L. Holthem, and D. Welsh. 1989. Nest sucess, cause- specific nest failure, and hatchability of aquatic birds at selenium-contaminated Kesterson reservoir and a reference site. Condor. 91:787-796.

Rotenberry, J. T., and J. A. Wiens. 1989. Reproductive biology of shrubsteppe passerine birds: geographical and temporal variation in clutch size, brood size, and fledging success. Condor 91:1-14.

Whelton, B. D. 1989. Distribution of the boreal owl in eastern Washington and Oregon. Condor 91:712-716.

Hands, H. M., R. D. Drobney, and M. R. Ryan. 1989. Status of the common loon in the northcentral United States. Missouri Coop. Fish Wildl. Res. Unit Rep. 26 pp.

Terborgh, J. 1989. Where have all the birds gone? Princeton University Press, Princeton, NJ.

Unknown, 1989. Unpublished letter to Renee detailing the locations of some populations of Astragalus Ripleyi in Tres Piedras Ranger District, Carson National Forest.

Courtney, R. F. 1989. Pronghorn use of recently burned mixed prairie in Alberta. J. Wildl. Manage. 53:302-305.

Gibson, D. D., and B. Kessel. 1989. Geographic variation in the marbled godwit and description of an Alaskan subspecies. Condor 91:436-443.

Laymon, S. A. 1989. Altitudinal migration movements of spotted owls in the Sierra Nevada, California. Condor 91:837-841.

Reed, J. M. 1989. A system of ranking conservation priorities for neotropical migrant birds based on relative susceptibility of extinction. In J. M. Hagan III and D. W. Johnston (editors). Ecology and conservation of Neotropical Migratory Landbirds. Smith

Telfer, E. S., et al. 1989. Status and distribution of the loggerhead shrike in western Canada. Can. Wildl. Serv. Prog. Notes 184. 4 pp.

Benkman, C. W. 1989. On the evolution and ecology of island populations of crossbills. Evolution 43:1324-1330.

Bestgen, K. R., and D. L. Propst. 1989. Distribution, status, and notes on the ecology of Gila robusta (Cyprinidae) in the Gila River drainage, New Mexico. Southwestern Naturalist 34:402-412.

Conover, M. R., and R. A. Dolbeer. 1989. Reflecting tapes fail to reduce blackbird damage to ripening cornfields. Wildl. Soc. Bull. 17:441-443.

Etheredge, D. R., M. D. Engstrom, and R. C. Stone, Jr. 1989. Habitat discrimination between sympatric populations of Peromyscus attwateri and Peromyscus pectoralis in west-central Texas. J. Mamm. 70:300-307.

Howe, M.A., J.A. Collazo. 1989. Census and survey techniques for shorebirds. Pages 168-174 in N.M. Wells (ed.), Proceedings of the Region 4 Nongame Bird Management Workshop. U.S. Fish and Wildl. Serv., Off. Infor. Transfer, Fort Collins, CO.

McCabe, T. L. & D. Wagner. 1989. The biology of Sthenopis auratus Grote (Lepidoptera: Hepialidae). Journal of the New York Entomological Society. 97(1): 1-10.

Risebrough, R. W., et al. 1989. Investigations of the decline of Swainson's hawk populations in California. J. Raptor Res. 23:63-71.

Wilde, G. R. 1989. Foods and feeding periodicity of the White River springfish, Crenichthyes baileyi. Great Basin Naturalist 49:249-251.

Colvin, B. A., and P. L. Hegdal. 1989. Summary of 1989 field activities. U.S. Fish and Wildlife Service, Wildlife Reservation Center, Denver, Colorado. Unpublished report. 6 pp.

Ferris, C. D., editor 1989. Supplement to: A catalogue/checklist of the butterflies of America north of Mexico. Memoirs of the Lepidopterists' Society 3:viii, 1-103.

Morse, D. H. 1989. American warblers: an ecological and behavioral perspective. Harvard University Press. 384 pp.

Belk, D. 1989. Identification of species in the Conchostracan genus Eulimnadia by egg shell morphology. Journal of Crustacean Biology, 9(1): 115-125.

Curnutt, J. L. 1989. Nesting of the black-shouldered kite (ELANUS CAERULEUS) in Everglades National Park. Florida Field Nat. 17:77-79.

Hershler, R. 1989. Springsnails (Gastropoda: Hydrobiidae) of Owens and Amargosa River (exclusive of Ash meadows) drainages, Death Valley system, California-Nevada. Proceedings of the Biological Society of Washington, 102(1): 176-248.