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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.

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.

Knapp, M. (1990) Unpublished letter to Doug Palmer, Associate Direct of Program at Philmount Scout Ranch, regarding fishery surveys.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.

Hutto, R.L. 1989. The effect of habitat alteration on migratory land birds in a west Mexican tropical deciduous forest: a conservation perspective. Conservation Biology 3(2):138-148.

Marsh, P. C., and W. L. Minckley. 1989. Observations on recruitment and ecology of razorback sucker: lower Colorado River, Arizona-California-Nevada. Great Basin Naturalist 49:71-78.

Svendsen, G. E. 1989. Pair formation, duration of pair-bonds, and mate replacement in a population of beavers (Castor canadensis). Canadian Journal of Zoology 67:336-340.

Zucker, N. 1989. Dorsal darkening and territoriality in a wild population of the tree lizard, Urosaurus ornatus. Journal of Herpetology 23:389-398.

Knight, P. 1989. Element occurrence records for Hedeoma apiculatum.

Blus, L. J. 1989. Effects of organophosphorus insecticides on sage grouse in southeastern Idaho. J. Wildl. Manage. 53:1139-1146.

Dowler, R. C. 1989. Cytogenetic studies of three chromosomal races of pocket gophers (Geomys bursarius complex) at hybrid zones. J. Mamm. 70:253-266.

Horejsi, B. L. 1989. Uncontrolled land-use threatens an international grizzly bear population. Conservation Biology 3:220-223.

New Mexico Ornithological Society. 1989. NMOS Field Notes 12/1/88 - 2/28/89. 28(1):7.

U.S. Fish and Wildlife Service (USFWS). 1989. Endangered and threatened wildlife and plants; determination of endangered status for the Virgin River chub. Federal Register 54:35305-11.

Squires, J. R., S. H. Anderson and R. Oakleaf. 1989. Food habits of nesting Prairie Falcons in Campbell County, Wyoming. J. Raptor Res. 23:157-161.

Weatherhead, P. J. 1989. Sex ratios, host-specific reproductive success, and impact of brown-headed cowbirds. Auk 106:358-366.

Olson, T.E., and M.V. Gray. 1989. Characteristics of Least Bell's Vireo nest sites along the Santa Ynez river. USDA Forest Service, Gen. Tech. Rep. PSW-110.

Anderson, B.W., and S.A. Laymon. 1989. Creating habitat for the Yellow-billed Cuckoo (COCCYZUS AMERICANUS). Pages 468-472 in USDA Forest Service, General Technical Report PSW-110.

Broschart, M. R., C. A. Johnston, and R. J. Naiman. 1989. Predicting beaver colony density in boreal landscapes. Journal of Wildlife Management 53:929-934.

Ganey, J. L., and R. P. Balda. 1989a. Distribution and habitat use of Mexican spotted owls in Arizona. Condor 91:355-361.

Kinkel, L. K. 1989. Lasting effects of wing tags on ring-billed gulls. Auk 106:619-624.

Nichols, A.O. 1989. How to make biological surveys go further with generalized linear models. Biological Conservation 50(1989):51-75.

Slough, B. G. 1989. Movements and habitat use by transplanted marten in the Yukon Territory. J. Wildl. Manage. 53:991-997.

Gibbs, J. P., Hampden, Maine.

Stiles, F. G. and A. F. Skutch. 1989. A guide to the birds of Costa Rica. Cornell University Press, Ithaca, New York, USA. 511 pp.

Jahrsdoerfer, S and S. Rutman. 1989. Final rule to determine Argemone pleiacantha ssp pinnatisecta an endangered species. Federal Register. Vol. 54, No. 163:35302-35305.

Burns, J. A., D. L. Flath and T. W. Clark. 1989. On the structure and function of white-tailed prairie dog burrows. Great Basin Nat. 49:517-24.

England, A.S., and W.F. Laudenslayer, Jr. 1989. Distribution and seasonal movements of Bendire's thrasher in California. Western Birds 20:97-123.

Joglar, R. L. 1989. Phylogenetic relationships of the West Indian frogs of the genus Eleutherodactylus: a morphological analysis. Pages 371-408 in C. A. Woods, ed. Biogeography of the West Indies. Sandhill Crane Press, Gainesville, Florida.

Melvin, S.M., D.G. Smith, D.W. Holt, and G.R. Tate. 1989. Small owls. Pages 88-96 in B.G. Pendleton, editor. Proceedings of the Northeast raptor management symposium and workshop. National Wildlife Federation, Washington, D.C. 353 pp.

Plante, Y., P. T. Boag, and B. N. White. 1989. Macrogeographic variation in mitochondrial DNA of meadow voles (Microtus pennsylvanicus). Can. J. Zool. 67:158-167.

Ellis, S. 1989. Preserve design for the nokomis fritillary butterfly colonies, Unaweep Canyon, Mesa County, Colorado. Unpublished report submitted to the Nature Conservancy, Colorado Field Office, and U.S. Bureau of Land Managment, Grand Junction, Colorad

Scharf, W. 1989. Black tern nesting phenology and habitat in marshes of the St. Mary's River, Michigan. unpublished report for Michigan DNR, Wildlife Division, Natural Heritage Fund.

Spellenberg, R., and P. Knight. 1989. A new species of Erigeron (Asteraceae: Astereae) from central New Mexico. Madrono 36(2): 115-121.

Zembal, R., B. M. Massey, and J. M. Fancher. 1989. Movements and activity patterns of the light-footed clapper rail. Journal of Wildlife Management 53:39-42.

Franzreb, K. E. 1989. Ecology and conservation of the endangered least Bell's vireo. U.S. Fish and Wildlife Service, Biol. Rep. 89(1). 17 pp.

Mills, E. D. 1989. Nearctic bird migration and wintering ecology in Belize, Central America. Univeristy of Alabama, Tuscaloosa, Alabama. Ph.D. dissertation. Unpublished.

Ridgely, R. S. and G. Tudor. 1989. The birds of South America. Volume 1. University of Texas Press, Austin, USA. 516 pp.

Falzone, K. 1989. Conversation record with Hillary Herman, subject: new location of night blooming Cereus (^Cereus greggii) - state endangered, federal candidate sp.

Marti, C. D. 1989a. Common barn-owl TYTO ALBA. Biographies of North American birds, Am. Ornithol. Union. Draft copy of proposed publication. 12 pp.

Regional Environmental Consultants (RECON). 1989. Draft comprehensive species management plan for the Least Bell's Vireo. San Diego Association of Governments, San Diego, CA.

Brown, J.R. and S. Archer. 1989. Woody plant invasion of grasslands: establishment of honey mesquite (Prosopis glandulosa var. glandulosa) on sites differing in herbaceous biomass and grazing history. Oecologia. 80:19-26.

Cross, D.H., K.L. Flemming. 1989. Control of Phragmites or Common Reed. Fish and Wildl, Leafl. 13.4.12. 5 pp.

James, P. C. and T. J. Ethier. 1989. Trends in the winter distribution and abundance of burrowing owls in North America. Am. Birds 43:1224-1225.

Marquis, R. J., and G. O. Batzli. 1989. Influence of chemical factors on palatability of forage to voles. Journal of Mammalogy 70:503-11.

Tanner, W. W. 1989. Status of Spea stagnalis Cope (1875), Spea intermontanus Cope (1889), and a systematic review of Spea hammondii Baird (1839) (Amphibia: Anura). Great Basin Nat. 49:503-510.

Zwank, P. J., P. M. McKenzie, and E. B. Moser. 1989. Mottled duck habitat use and density indices in agricultural lands. J. Wildl. Manage. 53:110-114.

Bruns, T. (1989) Gila National Forest Spotted Owl Survey Form 1. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 21 p.