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

Carney, D. A., and L. M. Page. 1990. Meristic characteristics and zoogeography of the genus Ptychocheilus (Teleostei: Cyprinidae). Copeia 1990:171-181.

Gibbs, J. P., and J. Faaborg. 1990. Estimating the viability of ovenbird and Kentucky warbler populations in forest fragments. Conservation Biology 4:193-196.

Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 7 July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - High Lonesome Well, Playas Valley. 17 Aug. 1990.

Murphy, J. E. 1990. The 1985-1986 Canadian peregrine falcon, FALCO PEREGRINUS, survey. Canadian Field-Naturalist 104:182-192.

Shaw, J. A., and T. S. Carter. 1990. Bison movements in relation to fire and seasonality. Wildl. Soc. Bull. 18:426-430.

Winker, K., J. H. Rappole, and M. A. Ramos. 1990b. Within-forest preferences of wood thrushes wintering in the rainforest of southern Veracruz. Wilson Bull. 102:715-720.

Armbruster, M. J. 1990. Characterization of habitat used by whooping cranes during migration. U.S. Fish and Wildlife Service. Biology of Reproduction 90(4). 16 pp.

Painter, C. 1990. Map of Animas Peak that specifies Crotalus willardi obscurus sighting localities.

Hawkes, J.M. (1990) Unpublished Letter to Forest Supervisor, Lincoln, N.F. Subject: 1990 Annual Spotted Owl Report. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 1 p.

Tims, P. July 25, 1990. Threatened, endangered and sensitive plants observation record. USFS, Lincoln NF.

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 Unpublished p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.

Rusch, D. R., et al. 1990. Population ecology and harvest of the American black duck: a review. Wildl. Soc. Bull. 17:379-406.

Best, T. L., et al. 1990. Ammospermophilus harrisii. Am. Soc. Mamm., Mammalian Species No. 366:1-7.

Currens, K. P., C. B. Schreck, and H. W. Li. 1990. Allozyme and morphological divergence of rainbow trout (Oncorhynchus mykiss) above and below waterfalls in the Deschutes River, Oregon. Copeia 1990:730-746.

Hall, S.A. 1990. Pollen evidence for historic vegetational change, Hueco Bolson, Texas. The Texas Journal of Science. 42(4):399-403.

Kaufman, K., and R. Bowers. 1990. The practiced eye: Curve-billed Thrasher and Bendire's Thrasher. American Birds 44(3):359-362.

Morton, E. S., and K. C. Derrickson. 1990. The biological significance of age-specific return schedules in breeding purple martins. Condor 92:1040-1050.

Stromberg, M. R. 1990. Habitat, movements and roost characteristics of Montezuma quail in southeastern Arizona. Condor 92:229-236.

Adkisson, C. S. 1990. Accipiters. Pages 63-9 in B. G. Pendleton (editors). Proceedings of the Southeast Raptor Management Symposium and Workshop. Nat. Wildl. Fed. Sci. and Tech. Ser. No. 14.

Ernst, C. H. 1990. Pseudemys gorzugi. Catalogue of American Amphibians and Reptiles 461:1-2.

Holthuijzen, A. M. A., W. G. Eastland, A. R. Ansell, M. N. Kochert, R. D. Williams and L. S. Young. 1990. Effects of blasting on behavior and productivity of nesting Prairie Falcons. Wildl. Soc. Bull. 18:270-281.

Milner, J., C. Jones, and J. K. Jones, Jr. 1990. Nyctinomops macrotis. Am. Soc. Mamm., Mammalian Species No. 351:1-4.

Rimmer, D. W., and R. D. Deblinger. 1990. Use of predator exclosures to protect piping plover nests. J. Field Ornithology 61:217-223.

Sullivan, T. P. 1990. Demographic responses of small mammal populations to a herbicide application in coastal coniferous forest: population density and resiliency. Can. J. Zool. 68:874-883.

Schroeder, R. L. 1990. Tests of a habitat suitability model for black-capped chickadees. U.S. Fish and Wildl. Serv. Biol. Rep. 90(10). 8 pp.

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.

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.

Ortega, J. C. 1990b. Reproductive biology of the rock squirrel (Spermophilus variegatus) in southeastern Arizona. J. Mamm. 71:448-457.

Smith, S. A. 1990. Cytosystematic evidence against monophyly of the Peromyscus boylii species group (Rodentia: Cricetidae). J. Mamm. 71:654-667.

Gibbs, J.P., and S.M. Melvin. 1990. An assessment of wading birds and other wetlands avifauna and their habitats in Maine. Maine Department of Inland Fish. and Wildlife, Bangor, Maine. 61 pp. Unpublished report.