Zaranski, J. D., and T. R. Baptist. 1990. Connecticut birds. University Press of New England, Hanover, NH.

DeBruin, E. 1990. Field survey to Organ Mts, Pete Johnson Canyon on Sept 1990.

Dick-Peddie, Scott. 1990. Biological assessment for threatened and endangered vertebrates on the eight target sites to be used by NLOS. September 1990. 5 pp.

Naumann, T. 1990 Status report for Astragalus ripleyi. Co Natural Areas Program, Denver, Co. p. 109

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.

Iverson, J. B. 1990. Nesting and parental care in the mud turtle, Kinosternon flavescens. Can. J. Zool. 68:230-233.

Kuyt, E. 1990. Whooping crane numbers in 1989 recover from 1988 setback. Alberta Naturalist 20:49-52.

Rawinski, T. J., and B. P. Lapin. 1990. Some effects of beaver flooding on rare swamp birch (Betula pumila L.) vegetation in Connecticut: 1984-1987. Pages 244-247 in: Ecosystem management: are species and significant habitats. New York State Museum Bullet

Waples, R. S. 1990b. Conservation genetics of Pacific salmon. III. Estimating effective population size. Journal of Heredity 81:277-289.

Beedy, E. C., R. Duke, and L.R. Mewaldt. 1990. Black tern. In: D. C. Zeiner, W. F. Laudenslayer, Jr., K.E. Mayer, and M. White, eds. California's wildlife vol. 2: birds. California Statewide Wildlife Habitat Relationships System, State of California, The

Colwell, M.A., and L.W. Oring. 1990. Nest site characteristics of prairie shorebirds. Canadian Journal of Zoology 68:297-302.

Ginaven, J. 1990. Using decoys to attract purple martins. Purple Martin Update 2(3):26-27.

Knox, A.G. 1990. The sympatric breeding of common and Scottish crossbills Loxia curvirostra and L. scotia and the evolution of crossbills. Ibis 132:454-466.

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.

Best, T. L., et al. 1990. Ammospermophilus interpres. Am. Soc. Mamm., Mammalian Species No. 365:1-6.

Johnson, R.G., and S.A. Temple. 1990. Nest predation and brood parasitism of tallgrass prairie birds. Journal of Wildlife Management 54:106-111.

Mehlhop, P. 1990. Field survey to Gray Ranch - San Luis Pass - Beargrass 16 Aug. 1990.

McComb, W. C., J. R. Sedell, and T. D. Buchholz. 1990. Dam-site selection by beavers in an eastern Oregon basin. Great Basin Naturalist 50:273-281.

Ports, M. A., and S. B. George. 1990. Sorex preblei in the northern Great Basin. Great Basin Nat. 50:93-95.

Van Wagner, C. E., and A. J. Baker. 1990. Association between mitochondrial DNA and morphological evolution in Canada geese. J. Molecular Evol. 31:373-382.

Sibley, C. G., and J. E. Ahlquist. 1990. Phylogeny and classification of birds: a study in molecular evolution. Yale Univ. Press, New Haven. xxiii + 976 pp.

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 24 p.

Meyer, K. D., and M. W. Collopy. 1990. Status, distribution, and habitat requirements of the American swallow-tailed kite (Elanoides forficatus) in Florida. Draft report No. NG86-025 submitted 29 July 1990. Florida Game and Fresh Water Fish Commission.

Choate, L. L., et al. 1990. Westward ho: continued dispersal of the pygmy mouse, Baiomys taylori, on the Llano Estacado and in adjacent areas of Texas. Occas. Pap. Mus. Texas Tech Univ. (134):1-8.

Malaby, S.M. and S. Wood. 1990. Interim Management Plan for Argemone pleiacantha ssp. pinnatisecta, Lincoln National Forest, Region 3, US Forest Service. . 11+ p.

Meany, C. A., S. A. Bissell, and M. B. Dillon. 1990. Colorado mammal distribution latilong study. Colorado Division of Wildlife, Denver, Colorado.

Unknown (1990) Final Report for Mexican Spotted Owl Survey in the Gila Wilderness, Contract Number 53-8399-0-0059. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 22 p.

Barrowclough, G. F., and R. J. Gutierrez. 1990. Genetic variation and differentiation in the spotted owl (STRIX OCCIDENTALIS). Auk 107:737-744.

DeBruin, E. 1990. Field survey to Organ Peak, Organ Mts, Sept 7, 1990.

Blair, T.C., J.S. Clark, and S.G. Wells. 1990. Quaternary continental stratigraphy, landscape evolution, and application to archeology: Jarilla piedmont and Tularosa graben floor, White Sands Missile Range, New Mexico. Ecological Society of America Bullet

Castetter, R. 1990. Xeroxed portion of 7.5' USGS topo map from Rick Castetter with location of spotted owl and 1 young seen. 22 June 1979.

Kelsch, S. W., and F. S. Hendricks. 1990. Distribution of the headwater catfish Ictalurus lupus (Osteichthyes: Ictaluridae). Southwestern Naturalist 35:292-297.