Beck, D. D. 1990. Ecology and behavior of the Gila monster in southwestern Utah. J. Herpetol. 24:54-68.

Conway, D. K., and K. L. P. Benson. 1990. A range extension for nesting Botteri's sparrow, AIMOPHILA BOTTERII, in southern Texas. Southwest. Nat. 35:348-349.

James, P.C., G.A. Fox, and T.J. Ethier. 1990. Is the operational use of strychnine to control ground squirrels detrimental to burrowing owls? Journal of Raptor Research 24:120-123.

McCord, R. D., R. E. Strauss, and C. H. Lowe. 1990. Morphometric variation in Kinosternon turtles of the western United States and adjacent Mexico. J. Herpetol. 24:297-301.

Ornat, A. L., and R. Greenberg. 1990. Sexual segregation by habitat in migratory warblers in Quintana Roo, Mexico. The Auk 107:539-43.

Taylor, J. P., and R. E. Kirby. 1990. Experimental dispersal of wintering snow and Ross' geese. Wildl. Soc. Bull. 18:312-319.

Reading, R. P., and T. W. Clark. 1990. Black-footed ferret annotated bibliography, 1986-1990. U.S. Bureau of Land Management Wildlife Tech. Bull. 3. 22 pp.

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 104 p.

Lightfoot & Muldavin Associates. 1990. Biological assessment, camera pads and pole sites, Kinetic Energy Missile (KEM) Program, White Sands Missile Range, New Mexico. 16 March 1990. 14 pp. of text + 1 very large topo map.

Lightfoot & Muldavin Associates, Environmental Consultants. 1990. Biological clearance survey of the GAM-83 site, White Sands Missile Range, New Mexico. Addendum: borrow gravel pit survey and biological assessment of Neolloydia intertexta. 18 June 1990. 6

Bureau of Land Management (BLM). 1990. Working toward recovery. Bureau of Land Management, Montana/Dakotas.

Department of the Air Force. 1990. Draft, Dynamic Coherent Measurement System (DYCOMS) environmental impact statement (PDEIS)..

Anderson, L.E., H.A. Crum, and W.R. Buck. 1990. List of the mosses of North America north of Mexico. The Bryologist 93(4):448-499.

Ellis, P. M., and J. D. Okill. 1990. Breeding ecology of the merlin FALCO COLUMBARIUS in Shetland. Bird Study 37:101-110.

Karp, C. A., and H. M. Tyus. 1990. Behavioral interactions between young Colorado squawfish and six fish species. Copeia 1990(1):25-34.

Perrigo, G., et al. 1990. Spring migration corridor of golden-winged warblers in Tamaulipas, Mexico. Am. Birds 44:28.

Swihart, R. K. 1990. Quebracho, thiram, and methiocarb reduce consumption of apple twigs by meadow voles. Wildl. Soc. Bull. 18:162-166.

Dunmire, W.W. 1990. Hedeoma todsenii inventory of Sacramento Mts, Caballo Resource Area, BLM. Unpublished report for BLM by TNC. 11 p + maps + photos.

Scarbrough, L. 1990. Letter to Bob Sivinski regarding locations for three species, ^Coryphantha sneedii, ^Oenothera organensis, and ^Peniocereus greggii. 3 pages included with map.

Brown, B. T. 1990. Nesting common mergansers in Chihuahua, Mexico. Southwest Nat. 35:88-89.

Firchow, K. M., M. R. Vaughan, and W. R. Mytton. 1990. Comparison of aerial survey techniques for pronghorns. Wildl. Soc. Bull. 18:18-23.

Houston, D. B., et al. 1990. Elk in Olympic National Park: will they persist over time? Natural Areas Journal 10:6-11.

Krupa, J.J. 1990. Bufo cognatus. Catalogue of American Amphibians and Reptiles. 457:1-2.

Purcell, K. L. 1990. Mature upper mixed-coniferous forest-montana chaparral. Journal of Field Ornithology (Supplement) 61:60-61.

Waples, R. S. 1990a. Conservation genetics of Pacific salmon. II. Effective population size and the rate of loss of genetic variability. Journal of Heredity 81:267-276.

Sauer, J. R. 1990. Route-regression analysis of scissor-tailed flycatcher population trends. U.S. Fish and Wildlife Service Biological Report 90:160-163.

Bednarz, J.C., T. Hayden and T. Fischer. 1990. The Raptor and Raven Community of Los Medanos Area in Southern New Mexico: A unique and Significant Resource. In Ecosystem Management Bulletin of the 15th annual Natural Areas Conference, No. 471. Albany,

Coker, D. R, and J. L. Confer. 1990. Brown-headed cowbird parasitism on golden-winged and blue-winged warblers. Wilson Bulletin 102:550-552.

Gawlik, D. E., and K. L. Bildstein. 1990. Reproductive success and nesting habitat of loggerhead shrikes in north-central South Carolina. Wilson Bull. 102:37-48.

Kerpez, T. A., and N. S. Smith. 1990b. Nest-site selection and nest-cavity characteristics of Gila woodpeckers and northern flickers. Condor 92:193-198.

Paulissen, M. A., and T. M. Buchanan. 1990. Geographic distribution. HEMIDACTYLUS TURCICUS. Herpetological Review 21:22.

Sieg, C. H., and D. M. Becker. 1990. Nest-site habitat selected by merlins in southeastern Montana. Condor 92:688-694.

Wilcove, D. S. 1990. Forest fragmentation as a wildlife management issue in the eastern United States. Pages 1-5 in R. M. DeGraff, and W. M. Healy (editors). Is Forest Fragmentation a Management Issue in the Northeast? Northeastern Forest Experiment Stati

U.S. Fish and Wildlife Service (USFWS). 1990. Recovery plan for the interior population of the least tern (Sterna antillarum). USFWS, Twin Cities, Minnesota. 90 pp.

Castetter, R. 1990. Field survey to Cottonwood Grove on July 5, 1990

Dulin, G. S. 1990. 1990 Summary Report of the Forster's and black tern breeding survey of the Minnesota Valley National Wildlife Refuge and Vicinity. unpublished report to the Minnesota Valley National Wildlife Refuge and the Minnesota Nongame Wildlife Pr

Orr, M. V. 1990. Data sheet of independent survey of Pediocactus papyracanthus with map.

Berna, H. J. 1990. Seven bat species from the Kaibab Plateau, Arizona, with a new record of Euderma maculatum. Southwest. Nat. 35:354-356.

Janecek, L.L. 1990. Genic variation in the Peromyscus truei group (Rodentia cricetidae). J. Mamm. 71(3):301-308.

McClenaghan, L. R., Jr., J. Berger, and H. D. Truesdale. 1990. Founding lineages and genetic variability in plains bison (BISON BISON) from Badlands National Park, South Dakota. Conservation Biology 4:285-289.

Petersen, M. R. 1990. Nest-site selection by emperor geese and cackling Canada geese. Wilson Bull. 102:413-426.

Titus, K., and M. R. Fuller. 1990. Recent trends in counts of migrant hawks from northeastern North America. Journal of Wildlife Management 54:463-470.

Sealy, S. G., editor. 1990. Auks at sea. Western Foundation of Vertebrate Zoology, Studies in Avian Biology No. 14. vi + 180 pp.

Daly, L. Parker, M. (1990) 1190 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 20 p.

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

Ainley, D. G., and R. J. Boekelheide, editors. 1990. Seabirds of the Farallon Islands. Stanford University Press, Stanford, CA.

Lightfoot & Muldavin Associates. 1990. Final report of a biological survey for the proposed Aerial Cable Test Capability preliminary draft Environmental Impact Statement. 17 September 1990. 123 pp.

Conway, C. J. 1990. Seasonal changes in movements and habitat use by three sympatric species of rails. M.Sc.thesis, University of Wyoming, Laramie.

Unknown (1990) Field notebook pertaining to Oncorhynchus clarkii virginalis in Rito Angostura. Retrieved from Regional Office, USFS. 5 p.

Avise, J. C., W. S. Nelson, J. Arnold, R. K. Koehn, G. C. Williams and V. Thorsteinsson. 1990. The evolutionary genetic status of Icelandic eels. Evolution 44:1254-1262.

DeBruin, E. 1990. Field survey to Organ Mts, Long Canyon for Perityle Cernua Sept 5, 1990.

Betts, B. J. 1990. Geographic distribution and habitat preferences of Washington ground squirrels (Spermophilus washingtoni). Northwestern Naturalist 71:27-37.

Engstrom, R. T., G. S. Butcher, and J. D. Lowe. 1990. Population trends in the least tern (Sterna antillarum) from Maine to Virginia: 1975-1986. Pages 130-138 in J. R. Sauer and S. Droege, editors. Survey designs and statistical methods for the estimation

Kee, S. N. 1990. Old-growth mixed-coniferous red fir forest transition. Journal of Field Ornithology (Supplement) 61:56.

Petter, S.C., D.B. Miles, and M.M. White. 1990. Genetic evidence of mixed reproductive strategy in a monogamous bird. Condor 92:702-708.

Walter, H. S. 1990. Small viable population: the red-tailed hawk of Socorro Island. Conservation Biology 4:441-443.

Dunmire, W. 1990. Plant collection records 1990. 6 p.

Schulke (1990) Collected 1990 Mexican Spotted Owl Daytime Follow-up Visit Forms. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 179 p.

Buchanan, J. B., R. W. Lundquist, and K. B. Aubry. 1990. Winter populations of Douglas' squirrels in different-aged Douglas-fir forests. J. Wildl. Manage. 54:577-581.

Fishman, M. S., and M. Scheibel. 1990. Osprey productivity on Long Island 1978-1987: a decade of stabilization. Kingbird 40:2-9.