Johnsgard, P. A. 1990. Hawks, eagles, and falcons of North America. Smithsonian Inst. Press, Washington, D.C. xvi + 403 pp.

Fletcher, R. 1990. Tesuque Watershed Research Natural Area Potental. US Forest Service, 16 p.

Brown, B.A. 1990. Plant/Animal Occurrence Record (cooperators form) for Falco femoralis septentrionalis sighting. 19 November, 1990.

Johnson, E.D. Zwank, P.J. (1990) Final Report, Flammulated Owl Bioogy on the Sacramento Unit of the Lincoln National Forest. Study Completion Report. Linxoln Supervisor's Office, Lincoln National Forest, USFS. 75 p.

Carey, A. B., J. A. Reid, and S. P. Horton. 1990. Spotted owl home range and habitat use in southern Oregon Coast Ranges. J. Wildlife Management 54:11-17.

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.

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.

Burger, J., and M. Gochfeld. 1990. The black skimmer: the social dynamics of a colonial species. Columbia Univ. Press, New York. 416 pp.

Painter, C. 1990. Locality of Crotalus willardi obscurus in Peloncillo Mountains. Hand drawn from U.S.G.S. Guadalupe Canyon Ariz-NM and Apache AZ-NM quadrangle, 15 min series - 19 and attached xeroxed 15 min. topo map.

Hoffman, J. E. 1990. Status survey of seven land snails in the Mineral Hills and the Pinaleno Mountains, Arizona. Prepared for U.S. Fish and Wildlife Service, Phoenix, Arizona. Contract No. 20181-88-00973.

Tims, P. 1990. "Cirsium vinaceum." Threatened, Endangered, and Sensitive Plants Observation Record. USDA Forest Service, NM.

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.

Combs, K. P., and C. R. Griffin. 1990. Population dynamics, habitat use and management of short-eared owls on Nantucket Island, Massachusetts. University of Massachusetts, Department of Forest and Wildlife Management, Amherst, Massachusetts. Unpublished p

Scott, N.J, National Ecology Research Center, USFWS, MSB, UNM. 1990. Annual report: studies of the biology of the Sacramento Mountain salamander, Aneides hardii. Submitted to Don DeLorenzo, Biologist, Lincoln NF, USFS.

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.

Armistead, H. T. 1990. Notes on black rails on the Delmarva Peninsula, especially in Dorchester County. Unpublished report. Maryland. Maryland Department of Natural Resources, Annapolis, Maryland. 6 pp.

Brooks, J. E. 1990. Conservation Plan for the aquatic resources of Bitter Lake National Wildlife Refuge, New Mexico.

U.S. Fish and Wildlife Service (USFWS). 1990. Emergency rule to list the golden-cheeked warber as endangered. Federal Register 55(87):18844-5.

Mongold, R. 1990. Letter from Roger Mongold to Ellen De Bruin. Aug. 1990 and notes from discussion with Robin Fisher 91-02-28.

Williams, S.O. and D.J. Cleary. 1990. Bird survey - Guadalupe Canyon, HIdalgo Co., NM 4-5 June 1990.

Lowe, C. Dept. of Ecology and evolutionary Biology, University of Arizona, Tucson, AZ. (602) 621-3187.

Douglas, M. E. 1990. Assistant research professor. Arizona State University, Tempe, AZ.

Bildstein, K. L., et al. 1990. Freshwater wetlands, rainfall, and the breeding ecology of white ibises in coastal South Carolina. Wilson Bull. 102:84-98.

Deisch, M. S., D. W. Uresk, and R. L. Linder. 1990. Effects of prairie dog rodenticides on deer mice in western South Dakota. Great Basin Naturalist 50:347-353.

Hamer, D., and S. Herrero. 1990. Courtship and use of mating areas by grizzly bears in the Front Ranges of Banff National Park, Alberta. Canaidan J. Zoology 68:2695-2697.

Keppie, D. M., and J. Towers. 1990. Using phenology to predict commencement of nesting of female spruce grouse (Dendragapus canadensis). Am. Midl. Nat. 123:164-170.

Newton, I., I. Wyllie, and P. Freestone. 1990. Rodenticides in British barn owls. Environmental Pollution 68:101-117.

Sweet, S. S., and W. S. Parker. 1990. Pituophis melanoleucus. Catalogue of American Amphibians and Reptiles 474.1-474.8.

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.

Sibley, C.G., and B.L. Monroe, Jr. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press, New Haven, CT. xxiv + 1111 pp.

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.

Burns, B. Tudek, B. (1990) Collected Mexican Spotted Owl Forms. Silver City Ranger District, Gila National Forest, USFS. 68 p.

Knapp, M. (1990) Unpublished letter to District Ranger, Subject: Angostura Creek. Retrieved from Regional Office, USFS. 6 p.

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

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

Muldavin, E. 1990. Gray Ranch vegetation survey, 1990. New Mexico Natural Heritage Program

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

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.

Campbell, R. W., N. K. Dawe, I. McTaggart-Cowan, J. M. Cooper, G. W. Kaiser, and M. C. McNall. 1990b. The birds of British Columbia. Volume 2. Nonpasserines: diurnal birds of prey through woodpeckers. University of British Columbia Press, Vancouver, B.C.

Ivey, D. 1990. Aspicarpa hirtella specimen collected on Gray Ranch, Middle Animas Bajada Macrosite. Natural Heritage New Mexico

Turner, R. (1990). Area survey results for Corphantha[sic] sneedii var sneedii. Guadalupe RD, Lincoln NF, USFS. 1 p.

Floyd-Hanna, L. et.al. Gilia formosa population study. Unpub. research proposal for BLM - Farmington office. Post-1989.

Kartesz, J. 1990. Synonymized checklist of the vascular flora [of North America north of Mexico, and Hawaii]. Unpublished second review draft.

Todsen, Thomas K. 1990. T and E survey of the Oscura Mountains. 4 August 1990.

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

Sivinski, R., and A. Cully. 1990. Status report on Proboscidea sabulosa. Report prepared for U.S. Fish & Wildlife Service, Albuquerque, New Mexico.

Debruin, E. 1990. Field notes from August and September, 1990. New Mexico Natural Heritage Program.

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.