Pogson, T. H., and S. M. Lindstedt. 1991. Distribution and abundance of large sandhill cranes, GRUS CANADENSIS, wintering in California's Central Valley. Condor 93:266-278.

Wilkinson, J. A., et al. 1991. Distribution and genetic variation in venom A and B populations of the Mojave rattlesnake (Crotalus scutulatus scutulatus) in Arizona. Herpetologica 47:54-68.

Lehmkuhl, J. F. and L. F. Ruggiero. 1991. Forest fragmentation in the Pacific Northwest and its potential effects on wildlife. Pages 35-46 in L. F. Ruggiero, K. B. Aubry, A. B. Carey and M. H. Huff, tech. coordinators. Wildlife and Vegetation of unmanaged

Cronin, M. A., M. E. Nelson, and D. F. Pac. 1991. Spatial heterogeneity of mitochondrial DNA and allozymes among populations of white-tailed deer and mule deer. J. Heredity 82:118-127.

Gore, J. A., and M. J. Kinnison. 1991. Hatching success in roof and ground colonies of least terns. Condor 93:759-762.

Leberg, P. L. 1991. Influence of fragmentation and bottlenecks on genetic divergence of wild turkey populations. Conservation Biology 5(4):522-530.

Petersen, K. L., and L. B. Best. 1991. Nest-site selection by sage thrashers in southeastern Idaho. Great Basin Nat. 51:261-266.

Steidl, R. J., et al. 1991c. Reproductive success and eggshell thinning of a reestablished peregrine falcon population. J. Wildlife Management 55:294-299.

Clark, J. D., and K. G. Smith, editors. 1991. Proceedings of the eastern workshop on black bear research and management. Univ. Arkansas. 150 pp.

van Rhijn, J. G. 1991. The ruff. Academic Press, San Diego, California. xii + 209 pp.

Graham, T. E. 1991. Pseudemys rubriventris. Cat. Am. Amph. Rept. 510.1-510.4.

DeBruin, E. Sept and Oct 1991. Special plant survey form for Perityle cernua and Silene plankii in the Organ Mts.

DeBruin, E. 1991. Field survey to Farmington Resource Area-plot #14 on 4 May 1991.

Muldavin, E. 1991. Field data for White Sands Missile Range preliminary vegetation classification and test vegetation map.Natural Heritage New Mexico Publ. No. 91-GTRmap-10. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM.

Cully, A. USFWS. 1991. [Erigeron hessii type locality, surveyed habitat and potential habitat site map. USGS 7 1/2 topo map - Grouse Mtn. Quad.]

Dunmire, W. 1991. Observation of T&E plants form for Eustoma exaltum, BLM. 5 records-1 pg ea.

Falvey,B. Wildlife biologist. BLM Farmington. (505)599-8989.

Kartesz, J.T. 1991. Accepted taxonomic names from November 1991 checklist, as extracted by Ken Wright, The Nature Conservancy, December 1992-January 1993.

Romero, A. Simmmons, T. 1991. Astragalus ripleyi survey form for new population. Canjilon Ranger District, Carson National Forest, USFS.

Clayton, P. 1991. Field survey to Ball Ranch - Stop #21 on 5 Aug 1991.

Blem, C. R., and L. B. Blem. 1991. Nest-box selection by Prothonotary Warblers. Journal of Field Ornithology 62:299-307.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #33 29 May, 1991.

Mehlhop, P. Field survey to Alamosa Warm Springs on June 28, 1991.

Gese, E. M., and L. D. Mech. 1991. Dispersal of wolves (Canis lupus) in northeastern Minnesota, 1969-1989. Canadian J. Zoology 69:2946-2955.

Hendrickson, D. A., and J. E. Brooks. 1991. Transplanting short-lived fishes in North American deserts: review, assessment, and recommendations. Pages 283-98 in W. L. Minckley and J. E. Deacon (editors). Battle Against Extinction: Native Fish Management i

Morin, R. 1991. Atlantic salmon (Salmo salar) in the lower Nastapoka River, Quebec: distribution and origins of salmon in eastern Hudson Bay. Canadian Journal of Zoology 69:1674-1681.

Senock, R.S., W.B. Sisson, and G.B. Donar. 1991. Compensatory photosynthesis of Sporobolus flexuosus (Thurb.) Rydb, following simulated herbivory in the northern Chihuahuan Desert. Botanical Gazette. 152(3):275-281.

Anderson, J. (1991) 1991 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 4 p.

Harmata, A. R. 1991. Impacts of oil and gas development on raptors associated with Kevin Rim, Montana. Unpubl. Rep. Kevin Rim Raptor Study Group, Biology Department, Montana State University, Bozeman. Prepared for the USDI Bur. Land Manage., Great Falls R

Painter, C.W. 1991. Investigation into the distribution and habitat requirements of the Jemez Mountain salamander (Plethodon neomexicanus). Unpubl. report to USFS Santa Fe National Forest contract no.

Williams, S.O. III. 1991. Gray Ranch and Hidalgo Co bird notes from 6-9 Aug 1990. Survey Unpubl. notes dated 9 March 1991. 14 pp.

Tacha, T. C., et al. 1991. Migration patterns of the Mississippi Valley population of Canada geese. J. Wildl. Manage. 55:94-102.

MacLean, D. C., et al. 1991. Nesting biology, habitat use, and inter-colony movements of the least tern (Sterna antillarum) on Long Island, N.Y. The Seatuck Research Program in cooperation with the New York State Dept. of Environ. Conserv. 70 pp.

DeBruin, E. 1991. Survey for Echinocereus fendleri ver. kuenzleri on Fort Stanton Reservation. Unpubl. report by New Mexico Natural Heritage Program for BLM Roswell Resource Area. 12 p. + app.

Lincoln National Forest, Mayhill Ranger District. 1991. Echinocereus fendleri var kuenzleri monitoring report, March 1991.

Schwarz, H. Hurley, T. (1991) Northern Goshawk Inventory Form - 1991. Sandia Ranger District, Cibola National Forest, USFS. 5 p.

DeBruin, E. 1991. Field survey to Mogollon Mts - Willow Creek on 17 July 1991.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #18 24 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource Area - Radio tower plot #11 on 3 May 1991.

Mehlhop, P. 1991. Field survey of August 26,1991 to Salt Creek, White Sands Missile Range.

DeBruin, E. Oct 1991. Special plant survey form, NM for Coryphantha organensis in the Organ Mts.

DeBruin, E. 1991. Field survey to Fort Stanton ACEC - Stop #27 24 May, 1991.

DeBruin, E. 1991. Field survey to Farmington Resource area-plot #24 on 9 May 1991.

Mehlhop, P. 1991. Field survey of August 26,1991 to Mound Spring, White Sands MIssile Range.

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.