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Glenn, J. L., and R. C. Straight. 1990. Venom characteristics as an indicator of hybridization between Crotalus viridis viridis and Crotalus scutulatus in New Mexico. Toxicon 28:857-862.

Kumirai, A., and J. K. Jones, Jr. 1990. Nyctinomops femorosaccus. Am. Soc. Mamm., Mammalian Species No. 349:1-5.

Unknown (1990) Map of Survey for Sopora gypsohila var. guadalupensis. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 2 p.

Morton, E. S. 1990. Habitat segregation by sex in the hooded warbler: experiments on proximate causation and discussion of its evolution. Am. Nat. 135:319-333.

Rohwer, S., and J. Manning. 1990. Differences in timing and number of molts for Baltimore and Bullock's orioles: implications to hybrid fitness and theories of delayed plumage maturation. Condor 92:125-140.

Sharps, J. C. and D. W. Uresk. 1990. Ecological review of black-tailed prairie dogs and associated species in western South Dakota. Great Basin Naturalist 50:339-45.

Knight, Paul J., et al. 1990. An Environmental Assessment of the Ova Noss Family Partnership Expedition into Victorio Peak. ECoPlan, Inc. and Human Systems Research, Inc. Control number EA-00990, work request #FEA0337OP. 153 pp.

Van Devender, R. 1990. Letter to Sue Rutman, U.S. Fish and Wildlife Service, with historic location of Pediomelum pentaphyllum.

Medin, D.E., and W.P. Clary. 1990. Bird and small mammal populations in a grazed and ungrazed riparian habitat in Idaho. U.S.D.A. Forest Service, Intermountain Research Station, Research Paper INT-425.

Bennett, W. A. 1990. Scale of investigation and the detection of competition: an example from the house sparrow and house finch introductions in North America. Am. Nat. 135:725-747.

Cohn, J. P. 1990. Endangered wolf population increases. BioScience 40(9):628-632.

Glenn, J. L., R. C. Straight, and J. W. Sites, Jr. 1990. A plasma protein marker for population genetic studies of the desert tortoise (XEROBATES AGASSIZI). Great Basin Naturalist 50:1-?.

Jones, J. K., Jr., and R. W. Manning. 1990. Additional comments on big brown bats (Eptesicus fuscus) from northwestern Texas. Southwest. Nat. 35:342-343.

McCaskie, G., et al. 1990. Notes on identifying arctic and Pacific loons in alternate plumage. Birding 22:70-73.

Stahlecker, D.W. and J.J. Rawinski. 1990. First records for the boreal owl in New Mexico. The Condor 92:517-519.

Bucyanayandi, J. D., and J. M. Bergeron. 1990. Effects of food quality on feeding patterns of meadow voles along a community gradient. Journal of Mammalogy 71:390-6.

Easter-Pilcher, A. 1990. Cache size as an index to beaver colony size in northwestern Montana. Wildlife Society Bulletin 18:110-113.

Hershler, R. and W.L. Pratt. 1990. A new Pyrgulopsis (Gastropoda:Hydrobiidae) from southeastern California, with a modelfor historical development of the Death Valley hydrographic system. Proc. Biol. Soc. Wash. 103(2): pp. 279-299.

Marti, C. D. 1990. Sex and age dimorphism in the barn owl and a test of mate choice. Auk 107:246-54.

Reimchen, T. E. 1990. Introduction and dispersal of the Pacific treefrog, Hyla regilla, on the Queen Charlotte Islands, British Columbia. Canadian Field Naturalist 105:288-290.

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

Bates, B.M., R.W. Robinson, and C. Jeffrey, eds. 1990. The Biology and Utilization of the Curcurbitaceae. Cornell University Press, Ithaca NY. ca.

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

Advanced Sciences, Inc. 1990. Threatened and endangered species survey at the Nuclear Effects Laboratory. WSMR Environmental Services Report no. REC-11389, prepared under WSMR Contract DAAD07-90-C-0018, Work Assignment Order 200-4. 31 August 1990. . 17 p.

Hawes, D. 1990. Threatened and endangered species habitat study area notes form for Ipomopsis sancti-spiritus. 2 p.

Weltzin, J. F. 1990. The potential role of prairie dogs in regulating honey mesquite population dynamics. Texas A&M University. M.S. Thesis. Unpublished. 63 pp.

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

Brooks, B. L., and S. A. Temple. 1990b. Dynamics of a loggerhead shrike population in Minnesota. Wilson Bull. 102:441-450.

Frey, J. K., and D. W. Moore. 1990. Nongeographic variation in the Mexican vole (Microtus mexicanus). Transactions of the Kansas Academy of Science 93:97-109.

Kerlinger, P., and D. S. Wiedner. 1990a. Habitat use and vocal behavior of black rails in south Jersey. Unpublished draft report. New Jersey Department of Environmental Protection, Endangered and Nongame Species Program. 18 pp.

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

Morrison, J.L. 1990. The meadow jumping mouse in New Mexico: habitat preferences and management recommendations. In: Krausman, P.R. Smith, N.S., eds. Proceedings of the symposium on managing wildlife in the Southwest. Arizona Chapter, The Wildlife Society

Schlesinger, W.H., J.F. Reynolds, G.L. Cunningham, L.F. Huenneke, W.M. Jarrell, R.A. Virginia, and W.G. Whitford. 1990. Biological feedbacks in global desertification. Science. 247:1043-1048.

Winker, K., J. H. Rappole, and M. A. Ramos. 1990a. Population dynamics of the wood thrush in southern Veracruz, Mexico. Condor 92:444-460.

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.

Mosher, J. A., M. R. Fuller, and M. Kopeny. 1990. Surveying woodland raptors by broadcast of conspecific vocalizations. J. Field Ornithol. 61:453-461.

Burns, B. 1990. Mexican spotted owl daytime follow-up visit form for Gila National Forest.

Riddle, B. Yates, T. 1990. A Mitochondrial DNA Assessment of Species Status of Several Northern New Mexican Populations of Trout in the Genus Oncorhynchus, a Report to New Mexico Department of Game and Fish. Department of Biology, the University of New Me

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

Mehlhop, P. 1990. Field survey to Gray Ranch - Mailbox Tank. 16 Aug, 1990.

Burger, J., and M. Gochfeld. 1990. Nest site selection in least terns (Sterna antillarum) in New Jersey and New York. Colonial Waterbirds 13:31-40.

Grismer, L. L. 1990. Coleonyx fasciatus. Cat. Am. Amph. Rept. 463.1-463.2.

Kurta, A., and R. H. Baker. 1990. Eptesicus fuscus. Am. Soc. Mamm., Mammalian Species 356:1-10.

Mullican, T. R., and J. T. Baccus. 1990. Horizontal and vertical movements of the white-ankled mouse (Peromyscus pectoralis) in central Texas. J. Mamm. 71:378-381.

Rollfinke, B.F., R.H. Yahner, and J.S. Wakeley. 1990. Effects of forest irrigation on long-term trends in breeding-bird communities. Wilson Bulletin 102(2):264-278.

Shields, G. F. 1990. Analysis of mitochondrial DNA of Pacific black brant (Branta bernicla nigricans). Auk 107:620-623.

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.

Reading, R. 1990. Prairie dogs - a link in the chain. In Bureau of Land Management, Working toward recovery. Bureau of Land Mangement, Montana/Dakotas.

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.

Blokpoel, H., and R. M. G. Hamilton. 1990. Effects of applying white mineral oil to chicken and gull eggs. Wildl. Soc. Bull. 17:435-441.