Grooms, S., and D. Peterson. 1991. Bluebirds! NorthWord Press, Inc. 160 pp.

Burns, B. (1991) 1991 Mexican Spotted Owl Inventory Form, Retrieved from Silver City Ranger District, Gila National Forest, USFS. 28 p.

Kartesz, J. 1991. [Synonymized checklist of the vascular flora of North America north of Mexico, Hawaii, and the U.S. Caribbean islands]. Advance copy [in database form] of manuscript submitted for publication to Timber Press, Portland, Oregon.

Quesenberry, L. 1991. Unpub. printout of Bureau Land Mgt. database of Gilia formosa on disturbed site and well locations moved due to G. formosa. 4 pp.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC, Fort Stanton - Stop #15 on 24 May 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area- NW 1, "Lisa F.H. plot" 18 April 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #12 on 23 May 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #10 23 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area-east fork Kutz Canyon-stop #5 on 22 April 1991.

Horton, J. and C. Persichetty. 1991. Field survey to Capitan Mts. - Pierce Canyon Arroyo at Forest Rd. 57, 23 May 1991.

Adams, D. A. and J. S. Hammond. 1991. Changes in forest vegetation, bird, and small mammal populations at Mount Mitchell, North Carolina--1959/62 and 1985. Journal of the Elisha Mitchell Scientific Society 107:3-12.

Castrale, J. S. 1991. Eastern woodland buteos. Pages 50- 9 in Proceedings of Midwest Raptor Management Symposium and Workshop 27 Feb - 1 Mar 1989, Chicago, Illinois. National Wildlife Federation Scientific and Technical Series No. 15.

Dittmann, D. L., and R. M. Zink. 1991. Mitochondrial DNA variation among phalaropes and allies. Auk 108:771-779.

Holway, D. A. 1991. Nest-site selection and the importance of nest concealment in the black-throated blue warbler. Condor 93:575-581.

Lincoln National Forest. 1991. Maps of exclosures to protect Cirsium vinaceum, Lincoln NF, Alamagordo, NM.

Parren, S. G. 1991. Evaluation of nest-box sites selected by eastern bluebirds, tree swallows, and house wrens. Wildl. Soc. Bull. 19:270-277.

U.S. Fish and Wildlife Service (USFWS). 1991. Utah prairie dog recovery plan. Denver, CO. 41 pp.

Schmutz, J.K. 1991b. Age-related differences in reproductive success among Ferruginous and Swainson's hawks in Alberta. Journal of Raptor Research 25:160.

Wayne, R. K., et al. 1991. Conservation genetics of the endangered Isle Royale gray wolf. Conservation Biology 5(1)41-

Advanced Sciences, Inc. 1991. Threatened and endangered species survey at ATACMS NECI and FIX sites, final report. WSMR Environmental Services report no. EA-006-91, prepared under WSMR contract DAAD07-90-C-0018, Work Assignment Order 300-23. 11 October 19

Gila National Forest. 1991. Mexican Spotted Owl annual monitoring and inventory summary.

Bestgen, Kevin R. and Steven P. Platania. 1991. Status and conservation of the Rio Grande silvery minnow, ^&Hybognathus amarus. Southwest. Nat. 36(2): p225-232.

Diamond, A. W. 1991. Assessment of the risks from tropical deforestation to Canadian songbirds. Transactions of the North American Wildlife and Natural Resources Conference 56:177-194.

Herkert, J.R. 1991a. Prairie birds of Illinois: population response to two centuries of habitat change. Illinois Natural History Survey Bulletin 34:393-399.

Livezey, B. C. 1991. A phylogenetic analysis and classification of recent dabbling ducks (tribe Anatini) based on comparative morphology. Auk 108:471-507.

Peterson, M. J., W. E. Grant, and D. S. Davis. 1991. Bison-brucellosis management: simulation of alternative strategies. J. Wildl. Manage. 55:205-213.

Toland, B. 1991. Successful nesting by reddish egrets at Oslo Island, Indian River County, Florida. Florida Field Naturalist 19:51-53.

Todsen, T. 1991. Notes from telephone conversation between Tom Todsen and Ellen DeBruin concerning Limosella Pubiflora at Gray Ranch HQ Cienega on 12 Nov 1991.

Collins, C. T., W. A. Schew, and E. Burkett. 1991. Elegant terns breeding in Orange County, California. Am. Birds 45:393-395.

Knight, P. and A. Cully. 1991. A new species of Astragalus (Fabaceae) from southeastern New Mexico. Southwestern Nat. 36(2):198-200. June 1991.

Noss, R. F. 1991. Effects of edge and internal patchiness on avian habitat use in an old-growth Florida hammock. Natural Areas Journal 11:34-47.

Schmutz, J.K. 1991a. Population dynamics of Ferruginous Hawks in Alberta. Pages 212-214 in G.L. Holroyd, G. Burns, and H.C. Smith, editors. Proceedings of the second endangered species and prairie conservation workshop. Natural History Occasional Paper 15

Ashton, R. E., Jr., and P. S. Ashton. 1991. Handbook of reptiles and amphibians of Florida. Part two. Lizards, turtles & crocodilians. Revised second edition. Windward Pub., Inc., Miami. 191 pp.

Spahr, R., L. Armstrong, D. Atwood, and M. Rath. 1991. Threatened, endangered, and sensitive species of the Intermountain Region. U.S. Forest Service, Ogden, Utah.

DeBruin, E. 1991. Field survey to Farmington Resource Area - Tucker Canyon plot #9 on 1 May 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #6A, 27 May, 1991

DeBruin, E. 1991. Field survey to Farmington Resource Area - Tucker Canyon stop #4 on 1 May 1991.

Corral, R. 1991. Letter to Anne Cully concerning locations of Pediomelum pentaphyllum.

Jennings, R. 1991. Bufo microscaphus. Unpub listing of Bufo microscaphus specimens at MSB. 3 pp.

Persecetti, C. and J. Horton. 1991. Unpublished field notes from Astragalus kerrii field survey to Capitan Mts. 23-31 May 1991 for TNC. 6 pp.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #6 on 22 July 1991.

Bildstein, K. L., P. C. Frederick, and M. G. Spalding. 1991. Feeding patterns and aggressive behavior in juvenile and adult American flamingos. Condor 93:916-925.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #26 24 May, 1991.

Cooch, E. G., D. B. Lank, R. F. Rockwell, and F. Cooke. 1991. Long-term decline in body size in a Snow Goose population: evidence of environmental degradation? Journal of Animal Ecology 60:483-496.

DeBruin, E. 1991. Field survey to Farmington Resource Area - Tucker Canyon plot #10 on 1 May 1991.

Fleming, T. H. 1991. Following the nectar trail. Bats 9(4):4-7.

Laudenslayer et al. 1991. California Fish and Game 77(3):109-141.[full citation not available]

Mayer, P. M., and M. R. Ryan. 1991a. Survival rates of artificial piping plover nests in American avocet colonies. Condor 93:753-755.

U.S. Geological Survey, National Mapping Division, and EROS Data Center. 1991. Conterminous U.S. AVHRR Companion Disc.

Mapper unknown. 1991. Maps of 8 exclosures of Cirsium vinaceum on LIncoln NF, NM.

Rogers, L. L., G. A. Wilker, and S. S. Scott. 1991. Reactions of black bears to human menstrual odors. J. Wildlife Management 55:632-634.

Abeyta, A. Montoya, J. (1991) Northern Goshawk Nest Search Form - 1991. Questa Ranger District, Carson National Forest, USFS. 5 p.

DeBruin, E. 1991. Status and distribution of Astragalus accumbens in an area of the Zuni Mountains. Unpubl. report by New Mexico Natural Heritage Program for Cibola National Forest. 50 p.

Montoya, A.B. 1991. Aplomado falcon fall monitoring project. New Mexico Cooperative Fish and Wildlife Research Unit, NMSU. 13 November 1991. 23 pp. (including field notes).

Unknown (1991) Written report on and map for Northern Goshawk Sight PFA: 7-1 . Questa Ranger District, Carson National Forest, USFS. 4 p.

Hotker, H. (ed.) 1991. Waders Breeding on Wet Grasslands. Wader Study Group Bull. 61, Supplement.

Conley, M. 1991. Letter to Commander, U.S. Army, White Sands Missile Range, att: STEW-EL-N (Ms. Y. Hart), subject: threatened and endangered plant and animal survey at ABC flip side site (WAO 300-07). 20 Feb 1991.

Kirkeminde, M. 1991. Unpub field notes for survey to Mogollon Mts - Little Turkey Creek on 10 June 1991. 1 p + map.

Reynolds, R.T. et al. (1991) Management Recommendations for the Northern Goshawk in the Southwestern United States. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 204 p.

DeBruin, E. 1991. Field survey to Mogollon MTS - crest trail 182 on19 July 1992. 1 p.