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Nesbitt, S. A., and K. S. Williams. 1990. Home range and habitat use of Florida sandhill cranes. Journal of Wildlife Management 54:92-96.

Safina, C. 1990a. Foraging habitat partitioning in roseate and common terns. Auk 107:351-358.

Tyus, H. M., and C. A. Karp. 1990. Spawning and movements of razorback sucker, Xyrauchen texanus, in the Green River basin of Colorado and Utah. Southwestern Naturalist 35:427-433.

Sublette, J. E., M. D Hatch, and M. Sublette. 1990. The fishes of New Mexico. University New Mexico Press, Albuquerque, New Mexico. 393 pp.

Novak, P. G. 1990. Population status of the black tern (CHLIDONIAS NIGER) in New York state, 1989. New York Sate Dept. of Environmental Conservation, Division of Fish and Wildlife, Nongame Unit, Delmar, NY. 30 pp.

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.

Choquenot, D., B. Kay, and B. Lukins. 1990. An evaluation of warfarin for the control of feral pigs. J. Wildl. Manage. 54:353-359.

Hays, R.L., and A.H. Farmer. 1990. Effects of the CRP on wildlife habitat: emergency haying in the Midwest and pine plantings in the Southeast. Transactions of the North American Wildlife and Natural Resources Conference 55:30-39.

Knight, R. L., and D. P. Anderson. 1990. Effects of supplemental feeding on an avian scavenging guild. Wildl. Soc. Bull. 18:388-394.

Nichols, J. D., J. A. Spendelow, and J. E. Hines. 1990. Capture-recapture estimation of prebreeding survival rate for birds exhibiting delayed maturation. J. Field Ornithology 61:347-354.

Smith, H. M., C. E. Bock, and J. H. Bock. 1990. Notes on reproduction and coloration in the bunchgrass lizard, Sceloporus scalaris, in southeastern Arizona. Bull. Maryland Herp. Soc. 26(2):64-67.

Carraway, L. N. 1990. A morphologic and morphometric analysis of the "Sorex vagrans species complex" in the Pacific coast region. Texas Tech Univ. Mus. Spec. Publ. (32):1-76.

Unknown (1990). Map for Survey for Hedeoma apiculatum, Aster laevis, Corypantha sneeedii. Guadalupe RD, Lincoln NF, USFS.

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.

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Sivinski, B. and A. Cully. 1990. Element occurrence record for Coryphantha duncanii at Mud Mountain, NM.

DeBruin, E. 1990. Field map for Fillmore Canyon survey, May 1990.

Dixon, K. L. 1990. Constancy of margins of the hybrid zone in titmice of the PARUS BICOLOR complex in coastal Texas. Auk 107:184-188.

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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.

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Franklin, A. B., et al. 1990. Density of northern spotted owls in northwest California. J. Wildlife Management 54:1-10.

Jayne, P. 1990. Nutria: a menance to Maryland marshes. Tracks 'N Trails 6(1):1.

New Mexico Ornithological Society. 1990. NMOS Field Notes, 3/1/90-5/31/90. NMOS Field Notes. 29(2).

Safina, C. 1990b. Bluefish mediation of foraging competition between roseate and common terns. Ecology 71:1804-1809.

Waples, R. S., and D. J. Teel. 1990. Conservation genetics of Pacific salmon. I. Temporal changes in allele frequency. Conservation Biology 4:144-156.

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Owen, R. D., R. K. Chesser, and D. C. Carter. 1990. The systematic status of TADARIDA BRASILIENSIS CYNOCEPHALA and Antillean members of the TADARIDA BRASILIENSIS group, with comments on the generic name RHIZOMOPS LEGENDRE. Occasional Papers of the Museum,

Debruin, E. 1990. Field notes on Mammilaria wrightii var. Wilcoxii, Gray Ranch - Black Bill Slope Macrosite. Natural Heritage New Mexico.

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.

Christiansen, J. L., B. J. Gallaway, and J. W. Bickham. 1990. Population estimates and geographic distribution of the yellow mud turtle (Kinosternon flavescens) in Iowa. Journal of the Iowa Academy of Science 97:105-108.

Heinrich, J. W., and S. R. Craven. 1990. Evaluation of three damage abatement techniques for Canada geese. Wildl. Soc. Bull. 18:405-410.

Larter, N. C., and C. C. Gates. 1990. Home ranges of wood bison in an expanding population. J. Mamm. 71:604-607.

Noble, D. G. and J. E. Elliott. 1990. Levels of contaminants in Canadian raptors, 1966 to 1988; Effects and temporal trends. Can. Field-Nat. 104:222-243.

Smith, J. P., S. W. Hoffman, J. A. Gessaman. 1990. Regional size differences among fall-migrant accipiters in North America. J. Field Ornithol. 61:192-200.

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Knapp, M. (1990) Unpublished letter to Doug Palmer, Associate Direct of Program at Philmount Scout Ranch, regarding fishery surveys. Carson Supervisor's Office, Carson National Forest, USFS.

Unkown (1990) Final Report For Mexican Spotted Owl Survey in the Blue Wilderness and Primitive Area. Contract Number 53-8399-0-0059. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 6 p.

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 30 p.

Spellenberg, R. 1990. Report on a survey for threatened and endangered plant species in the vicinity of Burris Well, White Sands Missile Range, for the Directed Energy Weapons Test. 5 April 1990. 14 pp.

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

Doroff, A. M., and L. B. Keith. 1990. Demography and ecology of an ornate box turtle (TERRAPENE ORNATA) population in south-central Wisconsin. Copeia 1990:387-399.

Janacek, L. L. 1990. Genic variation in the Peromyscus truei group (Rodentia: Cricetidae). J. Mamm. 71:301-308.

Patterson, M. E., J. D. Fraser and J. W. Roggenbuck. 1990. Piping plover ecology, management and research needs. Virginia Jour. Sci. 41(4A):419-26.

Swennen, C. 1990. Dispersal and migratory movements of eiders SOMATERIA MOLLISSIMA breeding in the Netherlands. Ornis Scand. 21:17-27.

New Mexico Department of Game and Fish Endangered Species Program. 1990. Checklist of the Native Reptiles of New Mexico.