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

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.

Blankenship, E. L., T. W. Bryan, and S. P. Jacobsen. 1990. A method for tracking tortoises using fluorescent powder. Herpetol. Rev. 21:88-89.

Diamond, G. 1990. Morone saxatilis returns! (The rock are back!). Maryland Magazine, Autumn 1990, pp. 53-54.

Hanowski, J. M., and G. J. Niemi. 1990. An approach for quantifying habitat characteristics for rare wetland birds. Pages 51-56 in Mitchell et al., editors. Ecosystem management: rare species and significant habitats. New York State Museum Bulletin 471.

Kilpi, M. 1990. Breeding biology of the herring gull LARUS ARGENTATUS in the northern Baltic. Ornis Fennica 67:130-140.

Pierce, B.A. and Whitehurst, P.H. 1990. Pseudacris clarkii. Catalogue of American Amphibians and Reptiles. 458:1-3.

Szaro, R.C. Southwestern Riparian Plant Communities: site characteristics, tree species distributions, and size-class structures. For. Ecol. Manage. 33/34:315-334.

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

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

Petit, K. E., and K. A. Tarbin. 1990. First record of Prothonotary Warbler from Galapagos Islands, Ecuador. American Birds 44:1094.

Roth, J. J., and H. M. Smith. 1990. The milksnake, Lampropeltis triangulum, in northwest Colorado. Bulletin of the Chicago Herpetological Society 25(1):6-7.

White, C. M., R. W. Fyfe, and D. B. Lemon. 1990. The 1980 North American peregrine falcon, FALCO PEREGRINUS, survey. Canadian Field-Naturalist 104:174-181.

Varela-Romero, A., L. Juarez-Romero and J. Campoy-Favela. 1990 (unpub. draft). Lospeces dulceacuicolas de Sonora. Centro Ecologico de Sonora, A. P. 1495, Hermosillo, Sonora, Mexico.

Castetter, R. 1990. Bird survey of Gray Ranch and Organ mountains. Unpubl. report for New Mexico Natural Heritage Program. 25 p.

Lightfoot & Muldavin Associates, Environmental Consultants (David Lightfoot and Esteban Muldavin). 1990. Biological clearance survey of the GAM-83 site, White Sands Missile Range, New Mexico. 2 June 1990. 16 pp.

Collins, J. T. 1990. Standard common and current scientific names for North American amphibians and reptiles. 3rd ed. Society for the Study of Amphibians and Reptiles. Herpetological Circular No. 19. 41 pp.

Rosenberg, K.V., R.D. Ohmart, W.C. Hunter, and B.W. Anderson. 1990. Birds of the lower Colorado River valley. University of Arizona Press, Tucson. 464 pp.

Benson, R. H., and K. L. P. Benson. 1990. Estimated size of black-capped vireo population in northern Coahuila, Mexico. Condor 92:777-9.

Conover, M. R. 1990. Reducing mammalian predation on eggs by using a conditioned taste aversion to deceive predators. J. Wildl. Manage. 54:360-365.

Gray, M. T. 1990. Denver's urban beavers--a gnawing problem. Colorado Outdoors 39(1):27-29.

Lee, T. E., Jr. 1990. Geographic distribution of the cytotypes of CHAETODIPUS NELSONI CANESCENS (Rodentia: Heteromyidae). Southwest. Nat. 454-455.

Petit, L. J., et al. 1990. Intersexual and temporal variation in foraging ecology of prothonotary warblers during the breeding season. Auk 107:133-145. See also Auk 107:146-152.

Siegel, R.S. and J.H. Brock. 1990. Germination requirements of key southwestern woody riparian species. Desert Plants 10:3-8.

Zicus, M. C. 1990. Nesting biology of hooded mergansers using nest boxes. J. Wildl. Manage. 54:637-643.

Kelly, S.K. (1990) Unpublished Letter to Regional Forester Subject: Owl Data Forms and Narrative (1989 and 1990). Silver City Ranger District, Gila National Forest, USFS. 81 p.

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

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

Mehlhop, P. 1990. Field survey to Gray Ranch - S. Animas Valley and Playa. 17 Aug. 1990.

Maughn, E. 1990. Arizona Cooperative Fish and Wildlife Research unit. University of Arizona, Tucson, AZ.

Bildstein, K. L., and M. W. Collopy. 1990. Northern harrier. Pages 70-7 in B. G. Pendleton (editor). Proc. Southeast raptor management symposium and workshop. National wildlife Federation, Washington, D. C.

Copeyon, C. K. 1990. A technique for constructing cavities for the the red-cockaded woodpecker. Wildl. Soc. Bull. 18:303-311.

Jones, J. M., and J. H. Whitham. 1990. Post-translocation survival and movement of metropolitan white-tailed deer. Wildl. Soc. Bull. 18:434-441.

Medin, D. E. 1990. Birds of a shadscale (ATRIPLEX CONFERTIFOLIA) habitat in east central Nevada. Great Basin Nat. 50:295-298.

Porter, S.D. and D.A. Savignano. 1990. Invasion of polygyne fire ants decimates native ants and disrupts arthropod community. Ecology 71(6):2095-2106.

Van Daele, L. J., V. G. Barnes, Jr., and R. B. Smith. 1990. Denning characteristics of brown bears on Kodiak Island, Alaska. International Conference on Bear Research and Management 8:257-267.

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 2 p.

Poagua, L. (1990) Unpublished Letter to Regional Forester, R-3, Subject: Spotted Owl Information Request (Your ltr. 6/7), Containing Multiple Mexican Spotted Owl Documents.Lincoln Supervisor's Office, Lincoln National Forest, USFS. 46 p.

Castetter, R. 1990. Photographs of location for Phanerophlebia auriculata and Perityle cernua.

Romme, R. 1990. 1990 Bald Eagle Survey, Lincoln National Forest.

Churchfield, S. 1990. The natural history of shrews. Cornell University Press, Ithaca, NY. 178 pp.

Bleich, V. C., J. D. Wehausen, and S. A. Holl. 1990. Desert-dwelling mountain sheep: conservation implications of a naturally fragmented distribution. Conservation Biology 4:383-390.

Dragoo, J.W., J.R. Choate, T.L. Yates, and T.P. O'Farrell. 1990. Evolutionary and taxonomic relationships among North American arid-land foxes. Journal of Mammalogy. 71(3):318-332.

Haug, E. A., and L. W. Oliphant. 1990. Movements, activity patterns, and habitat use of burrowing owls in Saskatchewan. J. Wildl. Manage. 54:27-35.

Kirkland, G. L. Jr., and P. M. Krim. 1990. Survey of the statuses of the mammals of Pennsylvania. J. Pennsylvania Acad. Sci. 64(1):33-45.

Platz, J. E., et al. 1990. Rana berlandieri: recently introduced populations in Arizona and southeastern California. Copeia 1990:324-333.

Thies, M. and W. Claire. 1990. Association of Neotoma micropus nests with various plant species in southwestern Oklahoma. Southwest. Nat. 35(1):80-82.

Barker, W. T., et al. 1990. Effects of specialized grazing systems on waterfowl production in southcentral North Dakota. Trans. 55th North American Wildl. & Nat. Res. Conf., pp. 462-474.

DeBruin, E. 1990. Field survey to Organ Mts for Coryphantha organensis. Davies Tank field map, Sept 24, 1990.

Bowling, A. T., and R. W. Touchberry. 1990. Parentage of Great Basin feral horses. J. Wildl. Manage. 54:424-429.

Kerpez, T. A., and N. S. Smith. 1990a. Competition between European starlings and native woodpeckers for nest cavities in saguaros. Auk 107:367-375.

Phillips, J. B. 1990. Lek behaviour in birds: do displaying males reduce nest predation? Animal Behaviour 39:555-565.

Sakai, H. F., and B. R. Noon. 1990. Variation in the foraging behavior of two flycatchers: associations with stage of the breeding cycle. Studies in Avian Biology 13:237-244.

Bull, E. L., R. S. Holthausen, and M. G. Henju. 1990. Techniques for monitoring pileated woodpeckers. Forest Service General Technical Report. PNW-GRT-269.

Cully, A. and R. Sivinski. 1990. Monitoring endangered plants. Performance report for 1989-1990 to U.S. Fish and Wildlife Service, Albuquerque, NM.

Mongold, R. 1990. Bird survey forms from Roger Mongold. Includes Filmore canyon, Dripping springs and Soladad arroyo. Dona Ana Co., NM. . 9 p.

Johnson, T. B., et. al. 1990. Summary of literature on the Sonaran Desert population of the desert tortoise. Arizona Game and Fish Department, Nongame and Endangered Wildlife Program, Phoenix, AZ. 63 pp.