Fletcher, R.1981. Anticipated Effects of Timber sale on Allium gooddingii. United States Forest Service (USFS) Regional Office, Albuqueruqe, NM. p.9.

Worthington, R. 1981. Status Report for Potentilla sierrae-blancae. Endangered Species Office, Fish and Wildlife Service, Albuquerque, New Mexico. USDS

Dalsted, K. J., et al. 1981. Application of remote sensing to prairie dog management. Journal of Range Management 34:218-23.

Morrison, M. L. 1981a. Population trends of the Loggerhead Shrike in the United States. American Birds 35(4):754-7.

Inouye, R. S., N. J. Huntly and D. W. Inouye. 1981. Non-random orientation of Gila Woodpecker nest entrances in saguaro cacti. Condor 83:88-89.

Rollins, D. 1981. Diets of sympatric bobwhite and scaled quail in Oklahoma. Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies 35:239-248.

Platz, J. E. 1981. Suture zone dynamics: Texas populations of Rana berlandieri and R. blairi. Copeia 1981:733-734.

Hamerstrom, F., and M. Kopeny. 1981. Harrier nest-site/vegetation. Raptor Res. 15:86-8.

Bee, J.W., R.S. Hoffmann, G. Blass, R.R. Paterson. 1981. Mammals in Kansas. Universtiy of Kansas Publications, Mus. Nat.Hist., Public Ed. Series No. 7., Lawrence.

Johnsgard, P. A. 1981. The plovers, sandpipers, and snipes of the world. Univ. Nebraska Press, Lincoln. 493 pp.

Cook, J.A. 1981. The bat fauna of the Animas Mountains in the summer of 1981. Museum of Southwestern Biology, University of New Mexico. Unpublished manuscript. 25 pp.

DeGraaf, R. M., G. M. Witman, and D. D. Rudis. 1981. Forest habitat for mammals of the northeast. NE Forest Experiment Station, Forest Service, U.S. Department of Agriculture, Amherst, Massachusetts.

S81WALSUNMUS, Legacy reference. Physical copy not yet located.

LaFontaine, G. 1981. Caddisflies. The Lyons Press, Guilford, Connecticut. 336 pp.

Johnson, A.R. 1981. Habitat utilization by Lark Buntings (CALAMOSPIZA MELANOCORYS) in a cold desert mixed shrub community. M.S. thesis. Brigham Young University, Provo, UT. 16 pp.

Dexter, R. W. 1981a. Nesting success of Chimney Swifts related to age and the number of adults at the nest, and the subsequent fate of the visitors. Journal of Field Ornithology 52:228-232.

O'Farrell, M.J. 1981. Status report: Euderma maculatum. Prepared for Office of End. Spp. US Fish and Wildlife Service, P.O. Box 1306, Albq, NM. 87103. Pp 1-29.

Kantrud, H. A. 1981. Grazing intensity effects on the breeding avifauna of North Dakota native grasslands. Canadian Field-Naturalist 95:404-417.

Schneider, D.C., and B.A. Harrington. 1981. Timing of shorebird migration in relation to prey depletion. Auk 98:801-81.

Ralph, C. J. 1981. Age ratios and their possible use in determining autumn routes of passerine migrants. Wilson Bulletin 93:164-188.

Hayward, B. 1981. Mexican chickadee. New Mexico Ornithological Society field notes. R.A. Goodman (ed) Vol 21(1):10. 1 Dec 81 - 28 Feb 82.

Brune, G. 1981. Springs of Texas. Volume 1. Branch-Smith, Inc. Fort Worth, Texas.

Junge, J. A., and R. S. Hoffmann. 1981. An annotated key to the long-tailed shrews (genus Sorex) of the United States and Canada, with notes on the Middle American Sorex. Occas. Pap. Univ. Kansas Mus. Nat. Hist. 94:1-48.

Mugaas, J. N., and J. R. King. 1981. Annual variation of daily energy expenditure by the black-billed magpie. Cooper Ornitholog. Soc. 78 pp.

Crellin, J. 1981. Unpublished Letter to District Ranger, Taos. Subject: Record of Decision and Finding of No Significant Effect for Rio Grande Cutthroat Trout Restoration on Rio Chiquito. USFS

Fiala, F.C. (1981) Final Report: Status of Peregrine Falcons, Agua Dulce Eyrie, Lincoln National Forest, New Mexico, 1980. Forest Supervisor's Office, Lincoln National Forest, USFS. 34 p.

U.S. Department of Commerce. 1981. 1978 census of agriculture. Volume 1, Part 46: Virginia state and county data. U.S. Department of Commerce, Washington, D.C. 691 pp.

Chesser, R. K. 1981. Genetic and morphologic variation within and among populations of the black-tailed prairie dog. Unpublished dissertation submitted to the graduate faculty of the University of Oklahoma.

Miller, L. D. and F. M. Brown. 1981. A Catalogue/Checklist of the Butterflies of America North of Mexico. The Lepidopterists' Society Memoir No. 2, Sarasota, Florida. 280 pp.

Unknown (1981) Unpublished map of Carson National Forest with notes. Retrieved from Carson Supervisor's Office, Carson National Forest, USFS.12 p.

Landye, J.J. 1981. Current status of endangered, threatened and/or rare molluscs of NM and AZ. Unpub report for Bureau of Sport Fisheries and Wildlife Office of Rare and Endangered Species [now U.S. FWS], Albuq, NM. 35 pp. CONTRACT #14-16-0002-80-227.

Bull, E. L., A. D. Partridge, and W. G. Williams. 1981. Creating snags with explosives. Pacific Northwest Forest and Range Experiment Station, U.S. Forest Service. Research Note PNW-393.

Fagerstone, K. A., H. P. Tietjen and O. Williams. 1981. Seasonal variation in the diet of black-tailed prairie dogs. Journal of Mammalogy 62:820-4.

Ogden, J. C. and B. W. Patty. 1981. The recent status of the Wood Stork in Florida and Georgia. Georgia Department of Natural Resources, Game and Fish Division Technical Bulletin WL 5:97-101.

Seiler, G.J., L. Cuk, and C.E. Rogers. 1981. New and interesting distribution records for Helianthus paradoxus (heiser) Asteraceae. Southwestern Naturalist 26(4): 431-432.

Baker, J. A., and R. J. Brooks. 1981. Distribution patterns of raptors in relation to density of meadow voles. Condor 83: 42-7.

Reynolds, T.D., and C.H. Trost. 1981. Grazing, crested wheatgrass, and bird populations in southeastern Idaho. Northwest Science 5:225-235.

Henny, C.J., and L.J. Blus. 1981. Artificial burrows provide new insight into burrowing owl nesting biology. Raptor Research 15:82-85.

Coad, B. W. 1981. A bibliography of the sticklebacks. Syllogeus 35:1-142.

Larrison, E.J. and D.R. Johnson. 1981. Mammals of Idaho. The University of Idaho Press, Moscow.

Owen, J. B., D. S. Elsen and G. W. Russell. 1981. Distribution of fishes in North and South Dakota basins affected by the Garrison Diversion Unit. University of North Dakota Press, Grand Forks, North Dakota. 211 pp.

Berger, A. J. 1981. Hawaiian Birdlife. Second Edition. University Press of Hawaii, Honolulu, Hawaii. xv + 260 pp.

Crellin, J. (1981) Unpublished Letter to Regional Forest, Subject: Environmental Assessment - Rio Grande Cutthroat Trout Restoration. Retrieved from Regional Office, USFS. 29 p.

Hatch, M.D. (1981) A Report Submitted to the United States Department of Interis, U.S Forest Service, Lincoln National Forest, Alamogordo, New Mexico. Project Title: A Survey of the Fishes of the Guadalupe Ranger District. Lincoln Supervisor's Office, Lin

Cook, J.A. 1981. Distribution and numbers of white-sided jackrabbits (Lepus callotis) in the Animas Valley in summer 1981. Unpubl. manuscript from Museum of Southwestern Biology, University of NM, 7 pp.

Otte, Daniel. 1981. The North American Grasshoppers. Volume 1. Acrididae (Gomphocerinae and Acridinae). Harvard University Press. 275 pp.

Limerick, S. 1981. Proposed rule for Penstemon alamosensis. Office of Endangered Species, U.S. Fish and Wildlife Service. Albuquerque, NM.

Hull, C. 1981. Great Lakes piping plover in trouble. Michigan Department of Natural Resources, Lansing, Michigan. 2 pp.

Fischer, D. H. 1981. Wintering ecology of thrashers in southern Texas. Condor 83:340-346.

Reich, L.M. 1981. Microtus pennsylvanicus. Am. Soc. Mamm., Mammalian Species No. 159. 8pp.

Alvo, R. 1981. Marsh nesting of common loons (GAVIA IMMER). Can. Field Nat. 95:357.

Singer, F. J., et al. 1981. Home ranges, movements, and habitat use of European wild boar in Tennessee. J. Wildl. Manage. 45:343-353.

Dickson, J. G., and C. A. Segelquist. 1981. Breeding bird populations in pine and pine-hardwood forests in Texas. J. Wildlife Manage. 43(2):549-555.

Barrows, C.W. 1981. Roost selection by spotted owls: an adaptation to heat stress. Condor 83:302-309.

Smith, J.N.M. 1981. Cowbird parasitism, host fitness and age of the host female in an island Song Sparrow population. Condor 83:152-161.

Hillis, D. M. 1981. Premating isolating mechanisms among three species of the Rana pipiens complex in Texas and Oklahoma. Copeia 1981:312-319.

Proctor, N. 1981. The black rail: mystery bird of the marsh. Connecticut Warbler 1(2):15-16.

Ferris, C.D. and F.M. Brown (eds). 1981. Butterflies of the Rocky Mountains. University of Oklahoma Press. Norman. 442 pp.

Maser, C., B. R. Mate, J. F. Franklin, and C. T. Dyrness. 1981. Natural history of Oregon coast mammals. Pacific Northwest Forest and Range Expt. Sta., USDA, Forest Service, Gen Tech. Rep. PNW-133:1-496.

Schwartz, C. W., and E. R. Schwartz. 1981. The wild mammals of Missouri. University of Missouri Press, Columbia. 356 pp.