Tims, P. Aug 1, 1990. Threatened, endangered and sensitive plants observation record for Cirsium vinaceum on 1 August 1990. Lincoln NF, USFS.

Greenberg, R., and S. Droege. 1990. Adaptations to tidal marshes in breeding populations of the swamp sparrow. Condor 92:393-404.

Murphy, B. R. 1990. Evidence for a genetically unique walleye population in the upper Tombigbee River system of northeastern Mississippi. Southeastern Fishes Council Proceedings (22):14-16.

Mehlhop, P. 1990. Field survey to Gray Ranch - Cienegas at mouth of Clanton Draw, S of TNC - hq. 17 Aug. 1990.

Sherbrooke, W.C. 1990. Rain-harvesting in the lizard Phrynosoma cornutum: behavior and integumental morphology. Journal of Herpetology 24(3):302-308

Winkler, D. W., and J. P. McCarty. 1990. Method for transplanting nests of barn swallows. J. Field Ornithol. 61:426-430.

O'Brien, M. 1990. Gray ranch sightings. Unpublished map sent to NMNHP.

Gila National Forest. 1990. Mexican Spotted Owl inventory forms.

Spellenberg, R. 1990. Report on a survey for threatened and endangered plant species in the vicinity of Burris Well, White Sands Missile Range, for the Directed Energy Weapons Test. 5 April 1990. 14 pp.

Snyder, D. E., and R. T. Muth. 1990. Description and identification of razorback, flannelmouth, white, Utah, bluehead, and mountain sucker larvae and early juveniles. Colorado Division of Wildlife Technical Publication No. 38. 152 pp.

Ballen, M. 1990. 1990 Mexican Spotted Owl Inventory Form

Orr, Mary V. 1990. Threatened, endangered and sensitive plants observation record for Lilium philadelphicum. US Forest Service

Wyoming Natural Diversity Database. No date. Unpublished data on file. Wyoming Natural Diversity Database, Laramie, WY.

Muldavin, E. 1990. Community field survey to Organ Mts on Sept 7, 1990.

Coulter, M. C. 1990. Creation and management of artificial foraging habitat for wood storks. Pages 262-267 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York State Museum. Bull. 471.

Harris, R. D., and L. Feeney. 1990. Restoration of habitats for burrowing owls (ATHENE CUNICULARIA). Proc. Ann. Meet. Soc. Ecol. Restor. 1:251-259.

Nicholls, J. L., and G. A. Baldassare. 1990. Winter distribution of piping plovers along the Atlantic and Gulf coasts of the United States. Wilson Bulletin 102:400-412.

Silva, R. S. and F. Olmos. 1990. Parabuteo uncinatus (Falconoformes: Accipitridae) na Baixada Santista, litoral de São Paulo, Brasil. Ararajuba 1:76-79.

Lincoln National Forest. 1990. Mexican Spotted Owl daytime follow-up visit form, survey for Mexican Spotted Owl.

Wakkinen, W. L. 1990. Nest site characteristics and spring-summer movements of migratory sage groude in southeaster Idaho. M.S. thesis, University of Idaho, Moscow, ID.

Dunmire, W. 1990. Plant collection records 1991. 5 p.

Berna, H. J. 1990. Observations on the dwarf shrew (Sorex nanus) in northern Arizona. Great Basin Nat. 50:161-165.

Cooper, S. 1990. Notes on piper plover nesting at Cape Hatteras National Seashore during 1987. Chat 54:1-6.

Goosen, J. P. 1990. Piping plover research and conservation in Canada. Blue Jay 48:139-153.

Jones, K. B. 1990. Habitat use and predatory behavior of Thamnophis cyrtopsis (Serpentes: Colubridae) in a seasonally variable aquatic environment. Southwest. Nat. 35:115-122.

Meyer, K. D. 1990. Kites. In Proceeding of the Southeast raptor management symposium and workshop. B. G. Pendleton, N. N. LeFranc Jr., and B. A. Millsap (editors). National Wildlife Federation Sci. and Tech. Series No. 14.

Stauffer, D. F., G. A. Cline, and M. J. Tonkovich. 1990. Evaluating potential effects of CRP on bobwhite quail in Piedmont Virginia. Transactions of the North American Wildlife Conference 55:57-67.

Ainley, D. G., C. A. Ribic, and R. C. Wood. 1990. A demographic study of the south polar skua CATHARACTA MACCORMICKI at Cape Crozier. J. Anim. Ecol. 59:1-20.

Folk, M. J., and T. C. Tacha. 1990. Sandhill crane roost site characteristics in the North Platte River Valley. J. Wildl. Manage. 54:480-486.

Horner, M. A., and R. A. Powell. 1990. Internal structure of home ranges of black bears and analyses of home-range overlap. J. Mammalogy 71:402-410.

Myers, J. P., et al. 1990. Migration routes of New World sanderlings (CALIDRIS ALBA). Auk 107:172-180.

Rosenburg, C. P. 1990b. Barn owl nest site and nest box monitoring program. Pages 76-81 in Virginia Nongame and Endangered Wildlife Investigations, 1990 Annual Report. Virginia Department Game and Inland Fish. Richmond, Virginia.

Taylor, C. M., and R. J. Miller. 1990. Reproductive ecology and population structure of the plains minnow, Hybognathus placitus (Pisces: Cyprinidae), in central Oklahoma. American Midland Naturalist 123:32-39.

Moseley, R. and C. Groves. 1990. Rare, threatened and endangered plants and animals of Idaho. Natural Heritage Section, Nongame and Endangered Wildlife Program, Idaho Dept. of Fish and Game. 33 pp.

Peterson, R. T. 1990b. A field guide to western birds. Third edition. Houghton Mifflin Co., Boston. 432 pp.

DeBruin, E. 1990. Field survey to Organ Mts, Fillmore Canyon on May 10, 1990.

Rosenburg, C. P. 1990a. Barn owl nest trays and boxes. Virginia Department Game and Inland. Fish. Educational sheet, Richmond, Virginia. Unpublished. 3 pp.

Barlow, Patricia. 1990. Inventory of endangered flora, Silent Attack Warning System Project, White Sands Missile Range, Socorro County, New Mexico. Prepared for Army Corps of Engineers, Albuquerque. March 1990. 14 pp.

Chapman, R. W. 1990. Mitochondrial DNA analysis of striped bass populations in Chesapeake Bay. Copeia 1990:355-366.

Jennings, R. and N. Scott. 1990. Unpub. MSB database file on Rana yavapaiensis. UNM Biology Dept. Albuquerque, NM 87131. 10 pp.

Ham, J. C., and P. N. Lehner. 1990. Notes on gray jay demographics in Colorado. Wilson Bull. 102:698-702.

Hardy, T. B., B. Bartz, and W. Carter. 1990. Instream flow recommendations for the fishes of Aravaipa Creek, Arizona. Submitted to the Nature Conservancy. Twelve-Nine, Inc., Logan, Utah.

Nicholls, J. L., and G. A. Baldassarre. 1990. Habitat associations of piping plovers wintering in the United States. Wilson Bull. 102:581-590.

Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 7 July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - High Lonesome Well, Playas Valley. 17 Aug. 1990.

Shields, M. A., and J. F. Parnell. 1990. Marsh nesting by American oystercatchers in North Carolina. J. Field Ornithol. 61:431-433.

Young, B. E., M. Kaspari, and T. E. Martin. 1990. Species-specific nest site selection by birds in ant-acacia trees. Biotropica 22:310-315.

Armbruster, M. J. 1990. Characterization of habitat used by whooping cranes during migration. U.S. Fish and Wildlife Service. Biology of Reproduction 90(4). 16 pp.

Painter, C. 1990. Map of Animas Peak that specifies Crotalus willardi obscurus sighting localities.

Hawkes, J.M. (1990) Unpublished Letter to Forest Supervisor, Lincoln, N.F. Subject: 1990 Annual Spotted Owl Report. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 1 p.

Tims, P. July 25, 1990. Threatened, endangered and sensitive plants observation record. USFS, Lincoln NF.

Barlow, P. 1990. Inventory of endangered flora, Naval Ordnance Missile Test Station, Sixteen Inch Gun and Beach Head Sites, White Sands Missile Range, Socorro and Sierra Counties, New Mexico.

Painter, C.W. 1990. Herpetofauna of New Mexico. Compiled for the New Mexico Department of Game and Fish.

Daly, J. C., and J. L. Patton. 1990. Dispersal, gene flow, and allelic diversity between local populations of Thomomys bottae pocket gophers in the coastal ranges of California. Evolution 44:1283-1294.

Hatch, S. A., and M. A. Hatch. 1990. Breeding seasons of oceanic birds in a subarctic colony. Can. J. Zool. 68:1664-1679.

Ortega, J. C. 1990b. Reproductive biology of the rock squirrel (SPERMOPHILUS VARIEGATUS) in southeastern Arizona. J. Mamm. 71:448-457.

Smith, S. A. 1990. Cytosystematic evidence against monophyly of the Peromyscus boylii species group (Rodentia: Cricetidae). J. Mamm. 71:654-667.

Messmer, T.A. 1990. Influence of grazing treatments on nongame birds and vegetation structure in south central North Dakota. Ph.D. dissertation. North Dakota State University, Fargo, ND. 164 pp.

Williams, S.O. 1990. Cloverdale breeding bird survey. Conducted 87-06-10, 88-06-02, 89-06-18, 90-06-04. 5 pp.

Berger, J. 1990. Persistence of different-sized populations: an empirical assessment of rapid extinctions in bighorn sheep. Conservation Biology 4:91-98.