Erickson, W. A., R. E. Marsh, and W. L. Halvorson. 1990. A roof rat bait station that excludes deer mice. Wildl. Soc. Bull. 18:319-325.

Hill, L. A., and L. G. Talent. 1990. Effects of capture, handling, banding, and radio-marking on breeding least terns and snowy plovers. J. Field Ornithology 61:310-319.

Mercado-Morales, D. 1990. New record of Reithrodontomys megalotis megalotis and a recent record of R. m. saturatus (Rodentia) in Nuevo Leon, Mexico. Southwest. Nat. 35:366-367.

Riesenberg, L.H., R. Carter, and S. Zona. 1990. Molecular tests of the hypothesized origin of two diploid Helianthus species (Asteraceae). Evolution 44(6): 1498-1511.

Sullivan, T. P. 1990. Responses of red squirrel (Tamiasciurus hudsonicus) populations to supplemental food. J. Mamm. 71:579-590.

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.

Darling, L., and R. Archibald, editors. 1990. Bears--their biology and management. Proc. Eighth Int. Conf. on Bear Res. and Manage., Victoria, British Columbia, Feb. 1989. 438 pp.

Deichmann, J. 1990. Final Report for the Botanical Survey of The Monument Canyon Research Natural Area. US Forest Service, 164 p.

Barlow, Patricia. 1990. Inventory of endangered flora, Silent Attack Warning System Project, White Sands Missile Range, Socorro County, New Mexico. Prepared for Army Corps of Engineers, Albuquerque. March 1990. 14 pp.

Jennings, R. and N. Scott. 1990. Unpub. MSB database file on Rana yavapaiensis. UNM Biology Dept. Albuquerque, NM 87131. 10 pp.

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.

Patton, J. L. and M. F. Smith. 1990. The evolutionary dynamics of the pocket gopher Thomomys bottae, with emphasis on California populations. University of California Publications, Zoology, Vol. 123.

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

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

Muldavin, E. 1990. Organ Mountains vegetation survey, 1990. New Mexico Natural Heritage Program

Cohen, A.C. and J.L. Cohen. 1990. Ingestion of blister beetles by a Texas horned lizard. The Southwestern naturalist 35(3):369

Haney, J. C. 1990. Winter habitat of common loons on the continental shelf of the southeastern United States. Wilson Bull. 102:253-263.

Livingston, S. A., et al. 1990. Habitat models for nesting bald eagles in Maine. J. Wildlife Management 54:644-653.

Nesom, G.L., L.A. Vorobik, and R.L. Hartman. 1990. The identity of Aster blepharophyllus (Asteraceae: Astereae). Systematic Botany 15(4): 638-642.

Short, L. L., and J. F. M. Horne. 1990a. Woodpeckers - a world perspective and conservation concern. Pages 5-12 in A. Carlson and G. Allen (editors). Conservation and Management of Woodpecker Populations. Swedish University of Agricultural Sciences, Depar

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.