Sisneros, J. et al (1991) Northern Goshawk Inventory Form - 1991. Tres Piedras Ranger District, Carson National Forest, USFS. 63 p.

DeBruin, E. et. al. 1991 Field survey to Lincoln NF - Matney Spring, 27 May 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #19, 25 May, 1991

DeBruin, E. 1991. Field survey to Farmington Resource Area - Kitten Canyon stop #14 on 10 May 1991.

Mongold, R. 1991. Field survey to Capitan Mts - Pancho Canyon & Torrez Canyon, 31 May 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #39 30 May, 1991.

Mehlhop, P. 1991. Davies Tank field map. Sept 11, 1991.

Armitage, K. B. 1991. Social and population dynamics of yellow-bellied marmots: results from long-term research. Annual Rev. Ecol. Syst. 22:379-407.

Forbes, S. H., and F. W. Allendorf. 1991a. Mitochondrial genotypes have no detectable effects on meristic traits in cutthroat trout hybrid swarms. Evolution 45:1350-1359.

Iverson, J. B. 1991b. Phylogenetic hypotheses for the evolution of modern kinosternine turtles. Herpetological Monographs 5:1-27.

Powell, A. N. 1991. Great Lakes piping plovers: recovery or extirpation? Endangered Species Update 8(9-10):1-4.

Shaffer, H. B., J. M. Clark, and F. Kraus. 1991. When molecules and morphology clash: a phylogenetic analysis of the North American ambystomatid salamanders (Caudata: Ambystomatidae). Systematic Zoology 40:284-303.

Zink, R. M., W. L. Rootes, and D. L. Dittman. 1991c. Mitochondrial DNA variation, population structure, and evolution of the common grackle (QUISCALUS QUISCALA). Condor 93:318-329.

Clayton, P. 1991. An assessment of the biological values of the Ball Ranch, New Mexico. Unpubl. report by New Mexico Natural Heritage Program for The Nature Conservancy, New Mexico Field Office, Santa Fe, NM. 7 p. + app.

Coody, C. J. 1991. An improved census technique of the northern bobwhite (COLINUS VIRGINIANUS) using recorded calls of the female. M. S. thesis, Univ. of Arkansas. 46 pp. [Issued also as Arkansas Cooperative Fish and Wildlife Research Unit Publication No.

Haug, E. A., and A. B. Didiuk. 1991. Updated status report on the burrowing owl ATHENE CUNICULARIA HYUGAEA in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC). 29 pp.

Silver, R.D. et al (1991) Unpublished letter to Manuel Lujan, Secretary of the Interior, Northern Goshawk listing petition. Retrieved from Regional Office. 58 p.

Buehler, D. A., et al. 1991b. Effects of human activity on bald eagle distribution on the northern Chesapeake Bay. J. Wildlife Management 55:282-290.

Evens, J. G., et al. 1991. Distribution, relative abundance and status of the California black rail in western North America. Condor 93:952-966.

Iverson, G. C., and M. R. Fuller. 1991. Area-occupied survey technique for nesting woodland raptors. Pages 118-124 in Proceedings of Midwest Raptor Management Symposium and Workshop 27 Feb - 1 Mar 1989, Chicago, Illinois. National Wildlife Federation Scie

Minckley, W. L., P. C. Marsh, J. E. Brooks, J. E. Johnson and B. L. Jensen. 1991b. Management toward recovery of the razorback sucker. Pages 303-357 in W. L. Minckley and J. E. Deacon, editors. Battle against extinction: native fish management in the Amer

Pylypec, B. 1991. Impacts of fire on bird populations in a fescue prairie. Can. Field-Nat. 105:346-349.

Wilson, B. S. 1991b. Latitudinal variation in activity season mortality rates of the lizard Uta stansburiana. Ecolog. Monogr. 61:393-414.

Paul, R. T. 1991. Status Report -- EGRETTA RUFESCENS (GMELIN) Reddish Egret. U. S. Fish and Wildlife Service, Houston, Texas.

DeMarais, B. D. 1990. Graduate student. Arizona State University, Tempe, AZ. Personal communication, April 19, 1990.

Bouta, R. P., and R. E. Chambers. 1990. Status of threatened spruce grouse populations in New York: a historical perspective. Pages 82-91 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York State Mus. Bull. 471.

Dolbeer, R. A. 1990. Ornithology and integrated pest management: red-winged blackbirds AGELAIUS PHOENICEUS and corn. Ibis 132:309-322.

Hagan, J. M., III, and J. R. Walters. 1990. Foraging behavior, reproductive success, and colonial nesting in ospreys. Auk 107:506-521.

Manser, P. 1990. The clapper rail (RALLUS LONGIROSTRIS). Gosse Bird Club Broadsheet 55:9-10.

Prescott, D. R. C., and A. L. A. Middleton. 1990. Age and sex differences in winter distribution of American goldfinches in eastern North America. Ornis Scandinavica 21:99-104.

Smith, A. T., and M. L. Weston. 1990. Ochotona princeps. Am. Soc. Mamm., Mammalian Species No. 352:1-8.

Kaufman, K. 1990. A field guide to advanced birding. Houghton Mifflin Co., Boston. xiv + 299 pp.

Castetter, R. 1990. Field survey to Gray Ranch-Deer Creek on 6 July 1990.

Muldavin, E. 1990. Community field survey to the Organ Mountains, Sept. 4, 1990 to Sept. 28, 1990.

Falvey, B. Hall, B. (1990) 1990 Mexican Spotted Owl Inventory Form and Maps. Sandia Ranger District, Cibola National Forest, USFS. 12 p.

Santa Fe National Forest. 1990. Field forms and maps for Northern Goshawk nest and territory monitoring for 1990.

Abeyta, A. 1990. 1990 Mexican Spotted Owl Inventory Form

Boyce, M. B., R. K. Clark and D. J. Jessop. 1990. Recent advances in the diagnosis and treatment of psoroptic scabies in bighorn sheep. Biennial Symposium of the Northern Wild Sheep and Goat Council 7:125-128.

Duvall, D., M. J. Goode, W. K. Hayes, J. K. Leonhardt, and D. Brown. 1990. Prairie rattlesnake vernal migrations: field experimental analyses and survival value. National Geographic Research 6:457-469.

Kimmel, J. T. and R. H. Yahner. 1990. Response of northern goshawks to taped conspecific and great horned owl calls. Journal of Raptor Research 24:107-112.

Mehlhop, P. 1990. Field survey to Gray Ranch - S. facing talus near head of Black Bill Canyon. August 20, 1990.

Miller, B. K. 1990. Factors affecting survival of transplanted eastern wild turkeys in Indiana. Wildl. Soc. Bull. 18:65-70.

Reitsma, L. R., R. T. Holmes, and T. W. Sherry. 1990. Effects of removal of red squirrels, TAMIASCIURUS HUDSONICUS, and eastern chipmunks, TAMIAS STRIATUS, on nest predation in a northern hardwood forest: an artificial nest experiment. Oikos 57:375-380.

Wells, H., W. Mason and J. R. Stewart. 1990. Prairie dog food preference and the photosynthetic pathway-selective herbivory hyptothesis. Bull. South. Calif. Acad. Sci. 89:97-108.

Dunmire, W.W. 1990. An investigation of biological resources focusing on plant and animal communities with recommendations for future management actions. Biological inventory, Black River Acquisition Area, Carlsbad Resource Area. Prepared for BLM by TNC F

Propst, D.L. (1990) 1990 New Mexico Fish Community Monitoring Study. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 23 p.

U.S. Fish and Wildlife Service (USFWS). 1990. American woodcock management plan. USFWS, Office of Migratory Bird Management. 11 pp.

Advanced Sciences, Inc. 1990. Threatened and endangered species survey at the ABC-1 Tank Impact Area. WSMR Environmental Services Report no. EA-03-88, prepared under WSMR Contract DAAD07-90-C-0018, Work Assignment Order 200-11. 5 October 1990. . 13 p.

Museum of Southwest Biology. 1990. Unpublished listing of mammal species specimens from Hidalgo County at MSB. Database print-out.

Wessman, L. 1990. Survey trip for Astragalus kerrii. Unpub. letter and map to USFS, Cloudcroft Ranger District, Forest Threatened and Endangered Plant Coordinator, John Connors, on 18 May 1990. 2 pp. + map.

DeBruin, E. 1990. Field survey to Organ Mts, Spring 1990.

Berna, H.J. 1990. Seven bat species from the Kaibab Plateau, Arizona, with a new record of Euderma maculatum. Southwest. Nat. 35(3):354-356.

DeBruin, E. 1990. Field survey to Soledad Canyon, Organ Mts. Sept 28, 1990.

Boyce, M. S., and L. L. Irwin. 1990. Viable populations of spotted owls for management of old growth forests in the Pacific Northwest. Pages 133-135 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York State Mus.

Gaston, A. J. 1990. Population parameters of the ancient murrelet. Condor 92:998-1011.

Klott, J. H., and F. G. Lindzey. 1990. Brood habitats of sympatric sage grouse and Columbian sharp-tailed grouse in Wyoming. J. Wildl. Manage. 54:84-88.

Porter, S. E. 1990. Impacts of development on saltmarshes. Maritmes 34:7-8.

Sedgewick, J. A., and F. L. Knopf. 1990. Habitat relationships and nest site characteristics of cavity nesting birds in cottonwood floodplains. Journal of Wildlife Management 54(1):112-124

Hershberger, W. 1989. Loggerhead shrike survey 1990 (LANIUS LUDOVICIANUS), Frederick and Washington counties of Maryland. Unpubl. report, Maryland Natural Heritage Program, Annapolis, Maryland.

Sugg, D.W.. 1990. Unpublished listing of reptile specimens from Museum of Southwestern Biology (MSB). . 19 p.